{"id":1743,"date":"2021-12-28T08:51:00","date_gmt":"2021-12-28T08:51:00","guid":{"rendered":"https:\/\/zecovalve.com\/updated-api-trim-chart-applications-zeco.html"},"modified":"2022-08-13T16:00:15","modified_gmt":"2022-08-13T16:00:15","slug":"updated-api-trim-chart-applications-zeco","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/de\/updated-api-trim-chart-applications-zeco.html","title":{"rendered":"Was ist Ventiltrimmung? API 600 Ventiltrimmtabelle"},"content":{"rendered":"<p>Zu den Hauptteilen eines Ventils geh\u00f6ren zwei Funktionstypen: die druckhaltende Komponente, die aus einem Ventilk\u00f6rper, einer Haube bzw. einem Deckel, einer Deckelverschraubung und einer Scheibe besteht, und die anderen wichtigen nicht druckhaltenden Teile eines Ventils wie Ventilsitze, Schaft, Joch, Stopfbuchsenpackung, Stopfbuchsenverschraubung, Buchsen, Handr\u00e4der, Ventilbet\u00e4tigungselemente usw.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-valve-trim\">Was ist eine Ventilverkleidung?<\/h2>\n\n\n\n<p>Die Verkleidung, insbesondere die Gegenst\u00fccke, die den Durchfluss gem\u00e4\u00df den Anforderungen des Reglers regulieren, sind das Herzst\u00fcck des Regelventils. Jeder Prozess ist f\u00fcr sich einzigartig und erfordert besondere Durchflussregelungsfunktionen. Die Ventilverkleidung umfasst Schaft, Kegel, Scheibe, Sitzfl\u00e4che usw. Sie ist auch die eigentliche Form der Kegel- und Sitzanordnung.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td><strong>Ventiltypen<\/strong><\/td><td><strong>Ventilgarnituren<\/strong><\/td><\/tr><tr><td>Eckventile<\/td><td>Schaft, Sitz, Scheibe, Scheibenmutter, hintere Sitzbuchse<\/td><\/tr><tr><td>Schieberventile<\/td><td>Schaft, Sitz, Keil, hintere Sitzbuchse<\/td><\/tr><tr><td>Durchgangsventile<\/td><td>Schaft, Scheibe, Sitz, Scheibenmutter, hintere Sitzbuchse<\/td><\/tr><tr><td>Scheibenventile<\/td><td>Scheibe, Scheibenmutter, R\u00fccksitzbuchse<\/td><\/tr><tr><td>R\u00fcckschlagventile vom Hubtyp<\/td><td>Sitzring, Scheibe, Scheibenf\u00fchrung<\/td><\/tr><tr><td>R\u00fcckschlagventile<\/td><td>Sitzring, Scheibe, Scheibenmutter, Scheibenmutterstift, Scheibenhalter, Scheibenhalterstift, Seitenstopfen, Tr\u00e4gerstift<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ventilverkleidungsteile<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>RABATT<ul><li>Die Scheibe ist ein Teil des Ventils, das je nach Stellung den Durchfluss zul\u00e4sst, drosselt oder stoppt; sie ist ein druckhaltender Teil des Ventils. Die am Ventil vorhandenen Scheibenarten bestimmen den Namen des Ventils. \u00dcber einem Stopfen- oder Kugelventil wird die Scheibe als Stopfen oder Kugel bezeichnet. Eine Scheibe liegt am oder an den unbeweglichen Ventilsitzen an, wenn sich das Ventil in geschlossener Stellung befindet; in geschlossener Stellung erf\u00fcllt die Scheibe eine druckhaltende Funktion, wohingegen sie in ge\u00f6ffneter Stellung des Ventils keine druckhaltende Funktion erf\u00fcllt. Sie kann durch die Bewegung des Ventilschafts von den Ventilsitzen wegbewegt werden, mit Ausnahme von R\u00fcckschlag- und Sicherheitsventilen, bei denen die Scheibe durch Fl\u00fcssigkeitsstrom und -druck von ihren Sitzen wegbewegt wird. Eine Ventilscheibe wird in der Regel gegossen, geschmiedet oder hergestellt.<\/li><\/ul><\/li><li>SITZ<ul><li>Ein Ventilsitz ist einer der nicht druckf\u00fchrenden Teile des Ventils. Ventile k\u00f6nnen einen oder mehrere Sitze haben. Bei einem Durchgangs- oder R\u00fcckschlagventil bildet ein Sitz eine Abdichtung mit der Scheibe, um den Durchfluss zu stoppen. Beim Absperrventil hingegen gibt es zwei Sitzfl\u00e4chen, die mit den Sitzen in Kontakt kommen. Ebenso haben K\u00fcken- und Kugelh\u00e4hne, je nach Anzahl der Anschl\u00fcsse, mehrere Sitze. Ventilsitze k\u00f6nnen integrale, erneuerbare oder austauschbare Ringe sein. Kleine Ventile sind mit eingeschraubten, gestauchten oder geschwei\u00dften Ventilsitzen ausgestattet und gro\u00dfe Ventile k\u00f6nnen alle f\u00fcr kleine Ventile verwendeten Sitze haben und haben integral gegossene oder geschmiedete Sitze entlang des Ventilk\u00f6rpers.<\/li><\/ul><\/li><li>R\u00fccksitz<ul><li>Der R\u00fccksitz besteht aus einer Schulter am Schaft und einer Gegenfl\u00e4che an der Unterseite der Haube. Wenn der Schaft vollst\u00e4ndig ge\u00f6ffnet ist, bildet er eine Dichtung. Er verhindert das Austreten von Medien in die Packungskammer und in die Umgebung. Hinweis: Aus Sicherheitsgr\u00fcnden wird NIEMALS empfohlen, die Packung zu wechseln, w\u00e4hrend das Ventil unter Druck steht.<\/li><\/ul><\/li><li>STENGEL<ul><li>Der Schaft verbindet den Antrieb, das Ventilhandrad und die Scheibe, den Stopfen oder die Kugel. Erforderlich f\u00fcr die \u00d6ffnungs- und Schlie\u00dfbewegung des Ventils. Somit erfolgt die Bewegung des Schafts zum \u00d6ffnen und Schlie\u00dfen des Ventils. Bei einem Schieber- oder Kugelhahn ist eine lineare Bewegung der Scheibe erforderlich, um das Ventil zu \u00f6ffnen oder zu schlie\u00dfen. Beim Stopfen-, Kugel- und Absperrventil hingegen wird die Ventilscheibe gedreht, um das Ventil zu \u00f6ffnen oder zu schlie\u00dfen. Absperr- und R\u00fcckschlagventile haben keinen Schaft.<\/li><\/ul><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">API600 Ventiltrimmdiagramm<\/h2>\n\n\n\n<p>Die API600-Trimmtabellenspezifikationen sind f\u00fcr API600-Schieber ausgelegt. F\u00fcr API603-Schieber sowie f\u00fcr Absperrventile und R\u00fcckschlagventile werden die gleichen Trimmnummern lockerer angewendet (Trimmtabelle wird im neuesten API603-Standard nicht referenziert). In Bezug auf Absperr- und R\u00fcckschlagventile sind die auf der Scheibe und dem Sitz angegebenen H\u00e4rteunterschiede offensichtlich f\u00fcr Absperrventile angegeben, die st\u00e4rkerem Verschlei\u00df, Abrieb, Festfressen usw. ausgesetzt sind und nicht so relevant sind. Au\u00dferdem werden Absperr- und R\u00fcckschlagventile h\u00e4ufig nach BS-Spezifikationen (jetzt ISO) angegeben. API 623 f\u00fcr Absperrventile und API594 f\u00fcr R\u00fcckschlagventile werden jetzt anstelle der veralteten BS 1868 und BS 1873 verwendet.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">API-Trimm-Nr.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Material<\/td><td class=\"has-text-align-center\" data-align=\"center\">Sitz<\/td><td class=\"has-text-align-center\" data-align=\"center\">Scheibe<\/td><td class=\"has-text-align-center\" data-align=\"center\">R\u00fccksitz<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vorbau<\/td><td class=\"has-text-align-center\" data-align=\"center\">Anmerkungen<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">F310<\/td><td class=\"has-text-align-center\" data-align=\"center\">310<\/td><td class=\"has-text-align-center\" data-align=\"center\">310<\/td><td class=\"has-text-align-center\" data-align=\"center\">310<\/td><td class=\"has-text-align-center\" data-align=\"center\">310<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\">Hart 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Hart 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Meere 750 BHN min.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">Hartes Gesicht<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">5A<\/td><td class=\"has-text-align-center\" data-align=\"center\">Hartes Gesicht<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">410 und Cu-Ni<\/td><td class=\"has-text-align-center\" data-align=\"center\">Cu-Ni<\/td><td class=\"has-text-align-center\" data-align=\"center\">Cu-Ni<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">7<\/td><td class=\"has-text-align-center\" data-align=\"center\">410 und Hard 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Hart 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Hart 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Meere 750 BHN min.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">8<\/td><td class=\"has-text-align-center\" data-align=\"center\">410 und Hartmetall<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">8A<\/td><td class=\"has-text-align-center\" data-align=\"center\">410 und Hartmetall<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">9<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">10<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">11<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel und Hartmetall<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">12<\/td><td class=\"has-text-align-center\" data-align=\"center\">316 und Hartmetall<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">13<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">14<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20 und Hartmetall<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">15<\/td><td class=\"has-text-align-center\" data-align=\"center\">304 und Hartmetall<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">16<\/td><td class=\"has-text-align-center\" data-align=\"center\">316 und Hartmetall<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">17<\/td><td class=\"has-text-align-center\" data-align=\"center\">347 und Hardfaced<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">347<\/td><td class=\"has-text-align-center\" data-align=\"center\">347<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">18<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20 und Hartmetall<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stellit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Legierung 20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Bedeutung des Ventilinnendesigns<\/h2>\n\n\n\n<p>Die Innengarnitur spielt eine wichtige Rolle f\u00fcr die Eigenschaften des Ventils. Sie bestimmt die Durchflussrate und die Isolierung der Ventile. Die Formen der Ventilinnengarnitur bestimmen die Durchflusseigenschaften des Ventils. Die Eigenschaften einer Ventilinnengarnitur h\u00e4ngen mit dem Durchflussprozentsatz und dem Ventilschaftweg zwischen 0% und 100% zusammen.<\/p>\n\n\n\n<p>Die Materialien der Verkleidung bestehen manchmal aus dem gleichen Material wie das Ventilgeh\u00e4use oder die Ventilhaube, manchmal unterscheiden sie sich jedoch. Aufgrund der unterschiedlichen Eigenschaften, die die Komponenten ben\u00f6tigen, um bestimmten Kr\u00e4ften und Bedingungen standzuhalten, werden sie aus verschiedenen Materialien hergestellt. Bei der Auswahl geeigneter Verkleidungsmaterialien werden die Eigenschaften des Durchflussmediums wie die chemische Zusammensetzung der Fl\u00fcssigkeit, Druck, Temperatur, Durchflussrate, Geschwindigkeit und Viskosit\u00e4t der Fl\u00fcssigkeiten ber\u00fccksichtigt.<\/p>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Verwandte Tags:<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/\">ZECO-Ventil<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">Was ist ein Absperrschieber?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/difference-between-gate-valve-and-butterfly-valve.html\/\">Unterschied zwischen Absperrschieber und Absperrklappe<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/the-function-of-globe-valve-in-pipeline-system.html\/\">Was sind Absperrventile?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/produkt\/manual-gate-valve\/\">Hersteller von manuell bet\u00e4tigten Absperrschiebern<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/what-is-an-axial-flow-silent-check-valve.html\/\">Was ist ein Axialr\u00fcckschlagventil<\/a>\n\n<\/div>\n\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/advantages-and-disadvantages-of-globe-valves.html\/\">Was ist ein Durchgangsventil?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/introduction-of-epdm-nbr-butterfly-valve-seat-industrial-valve-information-news-zeco-valve.html\/\">NBR-Absperrklappe<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/de\/gate-valve-problems.html\/\">Reparatur von Absperrschiebern<\/a>\n\n<\/div>\n\n\n\n<p>Zehn Artikel davor und danach<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/aga-approved-firesafe-certified-ball-valves-actuators-ex-stock-zeco.html\/\">AGA-gepr\u00fcfte, feuersichere, zertifizierte Kugelh\u00e4hne und Antriebe ab Lager | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/differencies-between-iso-15848-and-ta-luft-zeco.html\/\">Unterschiede zwischen ISO 15848 und TA-Luft | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/api6d-testing-procedure-double-block-bleed-versus-double-isolation-bleed-zeco.html\/\">API6D, Testverfahren und Double Block &amp; Bleed im Vergleich zu Double Isolation &amp; Bleed | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/now-thats-team-work-zeco.html\/\">Das ist Teamarbeit | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/fugitive-emission-certified-valves-in-stock-iso-15848-api-622-624-zeco.html\/\">ZERTIFIZIERTE VENTILE F\u00dcR FL\u00dcCHTIGE EMISSIONEN AUF LAGER ISO 15848, API 622\/624 | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/spring-return-deadman-handle-for-quarter-turn-valves-ex-stock-zeco.html\/\">Totmanngriff mit Federr\u00fcckstellung f\u00fcr Vierteldrehungsventile \u2013 ab Lager! | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/explosive-decompression-of-o-rings-in-trunnion-ball-valves-zeco.html\/\">Explosive Dekompression von O-Ringen in Zapfenkugelh\u00e4hnen | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/australian-pipeline-valve-were-certified-zeco.html\/\">Australisches Pipeline-Ventil \u2013 Wir sind zertifiziert! | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/large-trunnion-ball-valve-history-zeco.html\/\">Geschichte gro\u00dfer Zapfenkugelh\u00e4hne | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/de\/tip-of-the-day-90-degree-orientated-gate-valves-zeco.html\/\">Tipp des Tages \u2013 90 Grad ausgerichtete Schieberventile | Zeco<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Zu den Hauptteilen eines Ventils geh\u00f6ren zwei Funktionstypen: Zum einen die druckhaltende Komponente, die aus einem Ventilk\u00f6rper, einer Haube bzw. Abdeckung, einer Deckelverschraubung, einer Scheibe usw. besteht. <a title=\"Was ist Ventiltrimmung? API 600 Ventiltrimmtabelle\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/de\/updated-api-trim-chart-applications-zeco.html\" aria-label=\"Mehr zu Was ist Ventiltrimmung? API 600 Ventiltrimmdiagramm\">Weiterlesen ...<\/a><\/p>","protected":false},"author":2,"featured_media":16347,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3625,3621,3626,3622,328,3627,2276,3623,3624],"class_list":["post-1743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-api-600-trim-chart","tag-api-trim-12","tag-api-trim-chart","tag-api-valve-trim","tag-trim","tag-trim-valve","tag-valve-trim","tag-valve-trim-chart","tag-valve-trim-table","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/zeco-china-valve-1024x365.jpg",1024,365,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/de\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":3625,"name":"api 600 trim chart","slug":"api-600-trim-chart","term_group":0,"term_taxonomy_id":3625,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":3621,"name":"API Trim 12","slug":"api-trim-12","term_group":0,"term_taxonomy_id":3621,"taxonomy":"post_tag","description":"<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET API TRIM 12 INFORMATION<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-api-valve-trim\">What is API Valve Trim?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe removable and replaceable valve internal parts that come in contact with the flow medium are collectively termed Valve trim. These parts include valve seat(s), disc, glands, spacers, guides, bushings, and internal springs. The valve body, bonnet, packing, et cetera that also come in contact with the flow medium are not considered valve trim.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA Valve's trim performance is determined by the disk and seat interface and the relation of the disk position to the seat. Because of the trim, basic motions and flow control are possible. In rotational motion trim designs, the disk slides closely past the seat to produce a change in flow opening. In linear motion trim designs, the disk lifts perpendicularly away from the seat so that an annular orifice appears.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nValve trim parts may be constructed of assorted materials because of the different properties needed to withstand different forces and conditions. Bushings and packing glands do not experience the same forces and conditions as the valve disc and seat(s).\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nFlow-medium properties, chemical composition, pressure, temperature, flow rate, velocity, and viscosity are some of the important considerations in selecting suitable trim materials. Trim materials may or may not be the same material as the valve body or bonnet.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>VALVE TRIM TABLE<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:table {\"className\":\"is-style-stripes\"} -->\r\n<figure class=\"wp-block-table is-style-stripes\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>Trim<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Material<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Seat<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Disk<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Backseat<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Stem<\/th>\r\n<th>Notes<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>1<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">F310<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">310<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">310<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">310<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">310<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td>seats 750BHN Min.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5A<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410 and Cu-Ni<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Cu-Ni<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410 and Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td>seats 750BHN Min.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>8<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>8A<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>9<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>10<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>11<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>12<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>13<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>14<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>15<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>16<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>17<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">347 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">347<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">347<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>18<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n<!-- \/wp:table -->\r\n\r\n<!-- wp:heading -->\r\n<h2>API Valve Trim Chart<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27082,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-large\"><img class=\"wp-image-27082\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/09\/api-trim-number-chart-1024x989.jpg\" alt=\"\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading -->\r\n<h2>API Trim 12 &amp; API Trim 10<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTrim 10 is 316 stainless on both seat surfaces and 316 stem\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTrim 12 is 316 stem, one seat surface 316, and one seat stellite #6 (hard faced)\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nNeither trim allows 304 stainless.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTypically people want the \"upgrade\" to trim 12 due to wear concerns and wanting to avoid galling by having dissimilar metals in seating contact. I would not assume somebody will accept trim 10 over trim 12.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nMost likely a CF8 (304) valve will have API trim 2 (Not trim 10) which is 304 stainless on both seat surfaces and 304 stems.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAPI does not have a trim number for 304 with half satellite so often customers may say \"trim 12\" when what they really want is an all 304 stainless valve with one side hard-faced seat.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>What Are the Different Valve Trim Levels?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nValve trim levels range from AA through HH, and there are specific differences for each of these. Trim levels will determine the most suitable application for your needs and the required materials for the internal components of the valve.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe components affected by trim level changes include the:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Body<\/li>\r\n \t<li>Bonnet<\/li>\r\n \t<li>Gate<\/li>\r\n \t<li>Seat<\/li>\r\n \t<li>Stem<\/li>\r\n \t<li>Bonnet seal ring gasket<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level AA<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAA is your general non-corrosive trim level. The material used in the AA trim level is 4130 for all components with the bonnet seal ring gasket being 1018.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level BB<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nBB is used in a general and slightly corrosive environment. The body and bonnet will be made from 4130, the gate and seat will be 410 Stainless Steel, it will have a 17-4 Stainless Steel Stem, and a 316 Stainless Steel bonnet seal ring gasket.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level CC<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe CC valve trim type is used in a general, moderately corrosive environment with CO2. The body, bonnet, gate, and seats will all be 410 Stainless Steel. The stem will be made from 17-4 Stainless Steel, while the bonnet seal ring gasket will be 316 Stainless Steel.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level DD<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nDD-NL and DD-0.5 valve trim types are for sour, non-corrosive environments. All components in both trim levels are 4130 with the only difference being that DD-0.5 has a 17-4 Stainless Steel stem whereas the NL will most likely have a 4130 stem.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level EE<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEE trim levels, like DD trim levels, are used in sour environments. EE-0.5 is used when the environment is slightly corrosive. EE-1.5 is used in highly corrosive environments with moderately abrasive CO2 present, and EE-NL is suitable when highly abrasive CO2 is present.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIn all EE Trim levels, the body and bonnet are made from 4130 material. All gates, seats, and bonnet seal ring gaskets are Stainless Steel, with the gate and seats being 410 Stainless Steel and the bonnet seal ring gasket being 316 Stainless Steel. The difference in EE trim levels is the material used for the stems:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>EE-0.5 uses a stem made from 17-4 Stainless Steel.<\/li>\r\n \t<li>EE-1.5 uses a stem made from 410 Stainless Steel.<\/li>\r\n \t<li>EE-NL uses either an Inconel 718 or a Nitronic 50 stem.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level FF<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nFF Trim levels are also used in a sour environment. FF-0.5 is for moderately corrosive environments with H2S. FF-1.5 and FF-NL are for highly corrosive environments with CO2 and H2S. The body, bonnet, gate, and seats are all made from 410 Stainless Steel, and the bonnet gasket is made of 316 Stainless Steel. The only part that is different between the three FF trim levels is the stem:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>For FF-0.5 the stem is made from 17-4 Stainless Steel.<\/li>\r\n \t<li>FF-1.5 uses a 410 Stainless Steel stem.<\/li>\r\n \t<li>FF-NL uses either an Inconel 718 or a Nitronic 50 stem.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level HH<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe last trim level is HH-NL, which is used in a highly corrosive and extreme service environment. The body and bonnet are both made from 4130 and have a 625 inlay throughout. The gate, seat, and stem are all made from 718 Inconel, and the bonnet seal ring gasket is 316 Stainless Steel.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":3,"filter":"raw"},{"term_id":3626,"name":"api trim chart","slug":"api-trim-chart","term_group":0,"term_taxonomy_id":3626,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":3622,"name":"api valve trim","slug":"api-valve-trim","term_group":0,"term_taxonomy_id":3622,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":328,"name":"trim","slug":"trim","term_group":0,"term_taxonomy_id":328,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3627,"name":"trim valve","slug":"trim-valve","term_group":0,"term_taxonomy_id":3627,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2276,"name":"valve trim","slug":"valve-trim","term_group":0,"term_taxonomy_id":2276,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":3623,"name":"Valve Trim Chart","slug":"valve-trim-chart","term_group":0,"term_taxonomy_id":3623,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_45013a-e2\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-valve-trim\">What is Valve Trim?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe trim, particularly the mating elements that regulate the stream to the controller\u2019s demands, is at the heart of the control valve. Each process is distinct in its own right, necessitating particular flow control features. Valve trim includes the stem, plug, disc, seating surface, etc. It\u2019s also the plug and seat arrangement\u2019s actual shape. The flow properties of the valve are determined by the shape of the valve plug.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nType of Valves Valve Trims\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Angle Valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Stem, Seat, Disc, Disc nut, back-seat bushing<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Gate Valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Stem, Seat, Wedge, back-seat bushing<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Globe Valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Stem, Disc, Seat, Disc nut, back-seat bushing<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Disc Valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Disc, Disc nut, back-seat bushing<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Lift check valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Seat ring, Disc, Disc guide<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Swing check valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Seat ring, Disc, Disc nut, Disc nut pin, Disc holder, Disc holder pin, side plug, carrier pin<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Disc<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe first valve trim part is a disc. The disc is the part that allows, throttles, or stops fluid flow depending on its position. Types of disks define the name of the valve such as gate, ball, plug, and needle valve\u2019s disk are also of the same shape as the name.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA valve disc could be cast, forged, or fabricated. The valve disk is sometimes required hard facing to improve wear resistance. The disk needed a smooth machine surface to reduce friction with the seat. The valve disk is a pressure-retaining part.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThat means the disk holds the pressure. When the valve is open, the disc does not perform pressure-retaining or -containing functions. However, when the valve is closed, the disc performs pressure-retaining functions.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA disc rests against the stationary valve seat when the valve is in the closed position. It can be moved away from the seat by the movement of the stem. However, in check and safety-relief valves, fluid flow and pressure move the disc away from the seat.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Seat<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe seat provides the seating surface for the disk. Here, you can see the gate valve seat in the above image. A valve may have multiple seats. In the case of a globe valve and swing check valve, there is one seat. A gate valve and ball valve have two seats; one on the upstream side and the other on the downstream side.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe valve leakage rate is directly proportional to the effectiveness of the seal between the valve disc and seat(s). Valve seats may be integral or replaceable rings. Valves are generally provided with a screwed, welded, or integrally cast or forged seat and hardened by heat treatment or by the hard facing of Stellite weld overlay.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA fine surface finish for the seating area is necessary for proper sealing. Some ball valves &amp; plug valves used the non-metallic seat for non-critical services. Valve manufacturers have developed several designs of combination valve seats involving elastomer and metal seats that are effective in achieving the desired leak tightness, which cannot be achieved only by metal seats.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Back Seat<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAnother component of the valve that does not maintain pressure is the back seat. A stem shoulder serves as the foundation of the back seat. The stem creates a seal when it is fully extended. As a result, the valve shell\u2019s leaking into the packaging chamber, and the environment is stopped.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Stem<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe stem connects the actuator and disk. It moves and positions the valve disk. The valve stem transports the required motion to the disc, plug, or ball for opening, closing, or positioning the valve. The stem connects the actuator, handwheel, or lever of the valve at one end and the disc on the other end.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIn gate and globe valves, the linear motion of the disc opens or closes the valve, while in the plug, ball, and butterfly valves, the disc rotates to open or shut the valve. Stems are typically forged from stainless steel and connected to the disk by threaded or welded joints.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Yoke<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nYoke is another name for yoke arms. A yoke connects the valve\u2019s actual mechanism to the valve body or bonnet. The yoke and the bonnet are built as a single piece to cover multiple valves. The yoke nut and yoke bushing are located on the top side of the yoke.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe Yoke is constructed tough enough to endure the forces, moments, and torque generated by the actuators.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Yoke Brushings<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIt is the area where the valve stem enters through the top of the yoke and the internally threaded nut is held in place. Depending on which way the nut is rotated, the stem moves up and down in certain valves, such as gate and diaphragm valves. The yoke nut is positioned permanently over some valves, and the stem is rotated via it.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe yoke bushings are composed of softer material than the stem in order to need the least amount of effort to operate. On the valves that need a lot of effort to open or close, anti-freeze yoke sleeve bearings are provided. By doing this, the friction between the yoke bushing and the toughened stem will be reduced.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Valve Trim Chart<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe removable and replaceable valve internal parts that come in contact with the flow medium are collectively termed as Valve trim. These parts include valve seat(s), disc, glands, spacers, guides, bushings, and internal springs. The valve body, bonnet, packing, et cetera that also come in contact with the flow medium are not considered valve trim.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA Valve's trim performance is determined by the disk and seat interface and the relation of the disk position to the seat. Because of the trim, basic motions, and flow control are possible. In rotational motion trim designs, the disk slides closely past the seat to produce a change in flow opening. In linear motion trim designs, the disk lifts perpendicularly away from the seat so that an annular orifice appears.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nValve trim parts may be constructed of assorted materials because of the different properties needed to withstand different forces and conditions. Bushings and packing glands do not experience the same forces and conditions as the valve disc and seat(s).\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nFlow-medium properties, chemical composition, pressure, temperature, flow rate, velocity, and viscosity are some of the important considerations in selecting suitable trim materials. Trim materials may or may not be the same material as the valve body or bonnet.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":3,"filter":"raw"},{"term_id":3624,"name":"valve trim table","slug":"valve-trim-table","term_group":0,"term_taxonomy_id":3624,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3625,"label":"api 600 trim chart"},{"value":3621,"label":"API Trim 12"},{"value":3626,"label":"api trim chart"},{"value":3622,"label":"api valve trim"},{"value":328,"label":"trim"},{"value":3627,"label":"trim valve"},{"value":2276,"label":"valve trim"},{"value":3623,"label":"Valve Trim Chart"},{"value":3624,"label":"valve trim table"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Valve Trim? 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