![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg\")
<\/figure>\n<\/div>\n\n\nWie funktionieren Balgdichtungsventile?<\/h2>\n\n\n\n
Diese Ventile sind mit einem ziehharmonikaartigen Balg ausgestattet, d. h. mit einer Balgpatrone, die an den Ventilschaft und die Ventilhaube geschwei\u00dft ist. W\u00e4hrend des Ventilhubs wird der Balg zusammengedr\u00fcckt oder ausgedehnt, w\u00e4hrend sich der Schiebeschaft mit wenig bis gar keiner Reibung linear bewegt.<\/p>\n\n\n\n
Arten von B\u00e4lgen<\/h2>\n\n\n\n- Geformter Balg<\/strong>: Convals Standarddesign, geformte B\u00e4lge, beginnen als flaches Blech (d\u00fcnnwandige Folie), das zu einem Rohr gerollt und in L\u00e4ngsrichtung zu einer einzelnen Schicht verschwei\u00dft wird. D\u00fcnne Metallschichten werden kombiniert, um mehrlagige B\u00e4lge zu bilden. Mechanische oder hydrostatische Kraft formt die B\u00e4lge mit weit auseinander liegenden, abgerundeten Falten. Conval hat B\u00e4lge mit bis zu 6 Lagen f\u00fcr Anwendungen mit h\u00f6herem Druck geliefert.<\/li>
- Geschwei\u00dfte B\u00e4lge<\/strong>: Geschwei\u00dfte B\u00e4lge werden durch das Verschwei\u00dfen von unterlegscheibenartigen Platten aus d\u00fcnnem Metall an ihrem Innen- und Au\u00dfenumfang hergestellt.<\/li><\/ul>\n\n\n\n
Arten von Balgventilen<\/h2>\n\n\n\n
Dazu geh\u00f6ren: ANSI-Balgdichtungsventile, DIN-Balgdichtungsventile und andere Standard-Balgdichtungsventile, Balgdichtungsschieber, Balgdichtung Durchgangsventil<\/strong><\/em><\/p>\n\n\n\nBalg-Dichtungsschieber<\/h3>\n\n\n\n
Absperrventile mit Balgdichtung gem\u00e4\u00df ANSI sind zum Schneiden und Verbinden von Fl\u00fcssigkeitsleitungen geeignet. Absperrventile mit Balgdichtung gem\u00e4\u00df ANSI sind zum Schneiden, Umschalten und Einstellen des Mediums geeignet. Das Medium wird in verschiedenen Branchen wie Erd\u00f6l, Chemie, Pharmazie, chemischer D\u00fcnger, Elektrizit\u00e4tsindustrie usw. unter einem Nenndruck von CLASS150-900LBS und einer Betriebstemperatur von -29~350\u2103 verwendet.
Ein Parabolstecker zum Umschalten und Einstellen der Fl\u00fcssigkeit ist vorhanden.<\/p>\n\n\n\n
Produktmerkmale des Balgdichtungs-Schiebers<\/h4>\n\n\n\n- Dieses Produkt hat eine logische Struktur, eine zuverl\u00e4ssige Abdichtung, hervorragende Leistung und ein sch\u00f6nes Design.<\/li>
- Der Schaft des Faltenbalgventils ist verg\u00fctet und seine Oberfl\u00e4che ist mit Stickstoff behandelt, daher weist er eine gute Korrosionsbest\u00e4ndigkeit und Reibungsfestigkeit auf.<\/li>
- Die Dichtungsoberfl\u00e4che ist eine Auftragsschwei\u00dfung aus Co-Hartlegierung, die abriebfest, korrosionsbest\u00e4ndig, reibungsfest und langlebig ist.<\/li>
- Der Stiel kann die Position des Lifts anzeigen, damit diese deutlicher erkennbar ist.<\/li>
- Das Balgdichtungsventil verf\u00fcgt \u00fcber eine doppelte Abdichtung und ist daher zuverl\u00e4ssiger.<\/li>
- Das Teilematerial, der Flansch und die Abmessungen des Stumpfschwei\u00dfendes k\u00f6nnen entsprechend den aktuellen Betriebsbedingungen und Verwendungsanforderungen ausgew\u00e4hlt werden, sodass die Anforderungen verschiedener Techniken erf\u00fcllt werden.<\/li>
- Strukturelle Bildung: BB-BG-OS\ufe60Y<\/li>
- Antriebsart: Handbetrieben, Elektrisch bet\u00e4tigt<\/li><\/ol>\n\n\n\n
Anwendbarer Standard f\u00fcr Faltenbalg-Schieber<\/h4>\n\n\n\n- Ausf\u00fchrung: API 600, API 6D<\/li>
- Von Angesicht zu Angesicht: ASME B16.10<\/li>
- Flanschenden: ASME B16.5<\/li>
- Pr\u00fcfung\ufe60Inspektion:API 598,API 6D<\/li><\/ul>\n\n\n\n
Balgdichtungs-Absperrventil<\/a><\/mark><\/strong><\/h3>\n\n\n\nEin Balgventil ist eine kompakte Konstruktion, eine Art Regelventil, das zur Abdichtung der Ventilschaftkomponenten einen Balg verwendet. Das Balgventil hat innen einen Balg, und das untere Ende des Edelstahlbalgs ist mit dem Schaft verschwei\u00dft, um zu verhindern, dass die Systemfl\u00fcssigkeit den Schaft erodiert.<\/p>\n\n\n\n
Merkmale des Absperrventils mit Faltenbalg<\/h4>\n\n\n\n- Der gr\u00f6\u00dfte Vorteil eines Faltenbalgventils ist die doppelte Dichtungskonstruktion (Faltenbalg + Stopfpackung). Selbst wenn der Faltenbalg versagt, verhindert die Spindelpackung jegliche Art von Leckage und erf\u00fcllt damit die internationalen Dichtungsstandards.<\/li>
- Es minimiert den Verlust des Mediums und sorgt f\u00fcr Sicherheit und Umweltschutz. Dies verbessert letztendlich die Sicherheit der Anlage, in der das Faltenbalgventil installiert wurde.<\/li>
- Es kann als Energiesparer dienen, da es zur Minimierung von Energieverlusten durch Leckagen beitr\u00e4gt.<\/li>
- Da die Leckage minimiert wird, ist keine h\u00e4ufige Wartung des Ventils mehr n\u00f6tig. Dies f\u00fchrt zu einer l\u00e4ngeren Lebensdauer des Ventils.<\/li>
- Durch die l\u00e4ngere Lebensdauer sinken die Betriebs- und Wartungskosten erheblich.<\/li>
- Die robuste Konstruktion der Balgdichtung stellt sicher, dass es zu keiner Leckage am Ventilschaft kommt, und gew\u00e4hrleistet somit wartungsfreie Bedingungen.<\/li>
- Die Sicherheit des Arbeitspersonals wird durch den Einbau eines Faltenbalgventils verbessert, da die Emissionen brennbarer, giftiger und gef\u00e4hrlicher Chemikalien minimiert werden k\u00f6nnen.<\/li><\/ol>\n\n\n\n
Merkmale von Balgventilen<\/h2>\n\n\n\n- Jedes Ventil wird gem\u00e4\u00df API 598 getestet.<\/li>
- Jede Balgbaugruppe wird einem Helium-Lecktest unterzogen, um sicherzustellen, dass keine Leckagen auftreten.<\/li>
- Nicht rotierende Spindeln verhindern eine Torsion nach unten.<\/li>
- Zu den sekund\u00e4ren Spindeldichtungen geh\u00f6ren:
- Vorbau R\u00fccksitz<\/li>
- API 624 Schaftpackung<\/li><\/ul><\/li>
- Schmiernippel sorgen f\u00fcr die richtige Schmierung der Schaftbuchse, um ein effizientes \u00d6ffnen und Schlie\u00dfen zu gew\u00e4hrleisten.<\/li>
- Es stehen mehrere Balgmaterialien zur Verf\u00fcgung: 316Ti, Hastelloy, Inconel, Monel usw.<\/li>
- Alle B\u00e4lge sind hydrogeformt und bestehen aus mindestens zwei Schichten.<\/li>
- Verf\u00fcgbar in den Druckklassen 150\u20131500 (alle Geh\u00e4usematerialien verf\u00fcgbar)<\/li><\/ul>\n\n\n\n
Faltenbalgventil vs. Stopfbuchsventil<\/h2>\n\n\n\n
Stopfventile erfordern zwei Dichtungsgrenzen: eine 360\u00b0-Dichtung auf der Schaftoberfl\u00e4che und eine 360\u00b0-Dichtung an der Stopfbuchsenwand. Das Conval-Faltenbalgventil schlie\u00dft diese beiden Leckagepfade aus. Conval-Faltenbalgventile werden verwendet, wenn Stopfventile leichte Gase oder gef\u00e4hrliche Systemfl\u00fcssigkeiten nicht zuverl\u00e4ssig zur\u00fcckhalten k\u00f6nnen. In allen Anwendungen ist die 6-lagige, geschwei\u00dfte Inconel-Faltenbalgschaftdichtung zuverl\u00e4ssiger als Gleitschaftdichtungen.<\/p>\n\n\n\n
Anwendungen von Faltenbalgventilen<\/h2>\n\n\n\n
Diese kritischen Komponenten sind ein wesentlicher Bestandteil des sicheren Betriebs von Fl\u00fcssigkeitssystemen in zahlreichen Branchen, unter anderem in den folgenden:<\/p>\n\n\n\n
- Luft- und Raumfahrt<\/li>
- Biotechnologie<\/li>
- Chemische Verarbeitung<\/li>
- Fossile Energie<\/li>
- Atomkraft<\/li>
- Petroleum<\/li>
- Pharmazeutische<\/li>
- Halbleiterfertigung<\/li>
- Vakuum und Ultrahochvakuum<\/li><\/ul>\n\n\n\n\n
Verwandte Tags:<\/h2>\n\n\n\n\n\nZECO-Ventil<\/a>\n\n<\/div>\n\n\n\n\nHersteller von Absperrventilen \u2013 Verschiedene Absperrventiltypen<\/a>\n\n<\/div>\n\n\n\n\nSchieberventilhersteller \u2013 Verschiedene Schieberventiltypen<\/a>\n\n<\/div>\n\n\n\n\nDurchgangsventil vs. Kugelhahn<\/a>\n\n<\/div>\n\n\n\n\nWas ist ein Absperrschieber?<\/a>\n\n<\/div>\n\n\n\n\nUnterschied zwischen Absperrschieber und Absperrklappe<\/a>\n\n<\/div>\n\n\n\n\nSchieberventil vs. Kugelhahn<\/a>\n\n<\/div>\n\n\n\n\nWas ist ein Durchgangsventil?<\/a>\n\n<\/div>\n\n\n\nZehn Artikel davor und danach<\/p>\n\n\n\n
ZECO Keilschieber<\/a><\/p>\n\n\n\nAbsperrventil aus geschmiedetem Stahl<\/a><\/p>\n\n\n\nWas ist ein gutes Gesch\u00e4ft oder wie man es kauft<\/a><\/p>\n\n\n\nSchwimmendes Kugelventil<\/a><\/p>\n\n\n\nEnglisch lernen<\/a><\/p>\n\n\n\nDistributoren\/Gro\u00dfh\u00e4ndler & Handelsvertreter gesucht<\/a><\/p>\n\n\n\nChinesische Ventilindustrie<\/a><\/p>\n\n\n\nSchwimmender Kugelhahn Typ 100X \u2013 Produktinstallation und -wartung<\/a><\/p>\n\n\n\n\u00dcber Schieberventile<\/a><\/p>\n\n\n\nDIN-Ventilnorm (EN\/ISO) \u2013 Teil 2<\/a><\/p>","protected":false},"excerpt":{"rendered":"ZECO Valve fertigt hochwertige balggedichtete Absperrventile. Unser Unternehmen garantiert die Qualit\u00e4t und die einwandfreie Dichtheit unserer Ventile gem\u00e4\u00df \u2026 Weiterlesen ...<\/a><\/p>","protected":false},"author":2,"featured_media":20798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3108,2683,3556,3110,2684,2687,3557],"class_list":["post-1050","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-bellow-seal-gate-valve","tag-bellow-seal-globe-valve","tag-bellow-seal-valve","tag-bellows-seal-gate-valve","tag-bellows-seal-globe-valve","tag-china-bellows-seal-globe-valve","tag-steam-bellows-seal-globe-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg",1024,507,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":3108,"name":"bellow seal gate valve","slug":"bellow-seal-gate-valve","term_group":0,"term_taxonomy_id":3108,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2683,"name":"Bellow Seal Globe Valve","slug":"bellow-seal-globe-valve","term_group":0,"term_taxonomy_id":2683,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":3556,"name":"bellow seal valve","slug":"bellow-seal-valve","term_group":0,"term_taxonomy_id":3556,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3110,"name":"Bellows Seal Gate Valve","slug":"bellows-seal-gate-valve","term_group":0,"term_taxonomy_id":3110,"taxonomy":"post_tag","description":"\r\n\r\nIn particular chemical processes, the fluids in the pipes are often toxic, radioactive, and hazardous. Bellow sealed valves are used to prevent leakage of any toxic chemical into the atmosphere. The bellow can be supplied in different materials like 316Ti, 321, C276, or Alloy 625. Body material can be selected from all available materials.\r\n\r\n\r\n\r\n\r\n\r\nLeakage at various points in pipelines found in chemical plants creates emissions. All such leakage points can be detected using various methods and instruments and should be noted by the plant engineer. Critical leakage points include flanged gasket joints and the Valve\/pump gland packing, etc. Today the chemical process industry is gearing itself towards safer technology for better environmental protection and it has become every process engineer's responsibility to design plants that limit damage to the environment through the prevention of leakage of any toxic chemicals.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nGET BELLOW SEAL GATE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nWhat is Bellow Seal Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Bellow Seal Gate Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n\r\n\r\n\r\nBellow Construction of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe bellow cartridge is welded to both the Valve Bonnet and the Valve stem. The bellow cartridge has a number of convolutions and these convolutions become compressed or expanded depending upon the movement of the Valve stem. (Scientifically speaking the bellow gets compressed when the Valve is in the open position and expanded when the Valve is in the closed condition). It is important to properly install the Valve bodies. The bellow can be sealed to the Valves in two different ways. Firstly, the bellow can be welded to the Valve stem at the top and the Valve body at the bottom. In this case, the process fluid is contained inside the bellow, or in the second method the bellow is welded to the Valve stem at the bottom and the body on the top. In this case, the process fluid is contained in the annular region between the Valve Bonnet and bellow (from the outside).\r\n\r\n\r\n\r\n\r\n\r\nThe bellow is a critical component and forms the heart of the bellow seal Valves. To avoid any twisting of the bellow the Valve must have a stem with linear movement only. This can be achieved using a so-called sleeve nut at the Yoke portion of the Valve Bonnet. A handwheel is fitted onto the sleeve-nut which effectively transfers a rotary motion of the handwheel into a linear motion in the Valve stem.\r\n\r\n\r\n\r\n\r\nBellow types of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThere are two main types of bellow.. the Forged Bellow and the Welded Bellow. Formed-type bellows are made by rolling a flat sheet (thin wall foil) into a tube which is then longitudinally fusion welded. This tube is subsequently mechanically or hydrostatically formed into a bellow with rounded and widely spaced folds. The welded leaf type bellow is made by welding washer-like plates of thin metal together at both the inner and outer circumference of the washers - like plates. A welded leaf bellow has more folds per unit length as compared to forged bellows. Thus, for the same stroke length, forged bellows are two to three times longer than their welded leaf counterparts.\r\n\r\n\r\n\r\n\r\n\r\nReportedly, mechanically forged bellows fail at random spots, while the welded leaf usually fails at or near a weld. To ensure full penetration of bellow ends and end coller welding it is advisable to fabricate using micro plasma welding.\r\n\r\n\r\n\r\n\r\nBellow Design of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe multi-ply bellow design is preferred for handling higher-pressure fluids (generally two or three plies of the metal wall). A two-ply bellow can increase its pressure rating by 80% to 100% as compared to a single ply bellow of the same thickness. Alternatively, if a single ply bellow of a thickness equivalent to a pressure rating of a two-ply bellow is used, the stroke length is reduced. Thus, a multi-ply bellow design offers a distinct advantage over a single ply bellow. It is clear that the bellow is subject to metal fatigue and this fatigue can induce weld failure. The bellow fatigue life is affected by the material of construction, fabrication technique, stroke length, and stroke frequency, in addition to the usual parameters such as fluid temperature and pressure.\r\n\r\n\r\n\r\n\r\nSpecification of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- Design standard: ASME B16.34<\/li>\r\n \t
- Face to face dimension: ASME B16.10<\/li>\r\n \t
- Flanged ends: ASME B16.5<\/li>\r\n \t
- Test & inspection: API 598<\/li>\r\n \t
- Nominal Size: NPS 1\/2\uff5e16<\/li>\r\n \t
- Pressure Rating: CL.150\uff5eCL.1500<\/li>\r\n \t
- End Connection: RF\/RTJ\/BW\/SW<\/li>\r\n \t
- Body Material: Casting & Forging(Carbon Steel, SS, Duplex, Hastelloy)<\/li>\r\n \t
- Trim Material: As per standard or order requirement<\/li>\r\n \t
- Bellow Material\uff1a304\/304L\/316\/316L\/Inconel600\/625\/718<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Features of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- Long cycle life bellows (3000 cycles): Designed and qualification tested for high pressure\/temperature service.<\/li>\r\n \t
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n \t
- Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n \t
- Superior seating faces: Seats CoCr alloy hardfaced and the wedge is solid CoCr alloy.<\/li>\r\n \t
- Each valve is tested per API 598.<\/li>\r\n \t
- Every bellow assembly is helium leak-tested to assure zero leakage.<\/li>\r\n \t
- Non-rotating stems prevent torsion of bellow.<\/li>\r\n \t
- Secondary stem seals include:<\/li>\r\n \t
- Stem backseat<\/li>\r\n \t
- API 624 stem packing<\/li>\r\n \t
- Lubricant fittings to ensure proper lubrication of stem bushing for efficient opening and closing.<\/li>\r\n \t
- Multiple bellows materials are available: 316Ti, Hastelloy, Inconel, Monel, etc.<\/li>\r\n \t
- All bellows are hydroformed with a minimum of two layers.<\/li>\r\n \t
- Available in pressure classes 150-1500 (All body materials available)<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Applications of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe hot oil system, steam system, hot and cold water system, etc.\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":2684,"name":"Bellows Seal Globe Valve","slug":"bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2684,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":2687,"name":"China Bellows Seal Globe Valve","slug":"china-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2687,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET BELLOW SEAL GLOBE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nWhat is Bellow Seal Globe Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Bellows Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n\r\n\r\n\r\n\r\nThe need for a completely different approach required for the desired sealing & redundancy has led to the development of Bellow seal globe Valves.\r\n\r\n\r\n\r\n\r\nFeatures of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- \r\n
\r\n \t- Long cycle life bellows (10,000 cycles): Designed and qualification tested for high pressure\/temperature applications.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Superior seating faces: Seats hard faced with CoCr alloy, and the disc is solid CoCr alloy.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\n\r\n
Technical Specifications of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nTYPE OF DISC<\/td>\r\n Plug\r\nNeedle\r\nSwivel\r\nRegulating Disc<\/td>\r\n<\/tr>\r\n \r\nCONSTRUCTION<\/td>\r\n Bolted\r\nWelded\r\nExtended\r\nPressure Seal Bonnet<\/td>\r\n<\/tr>\r\n \r\nPATTERN<\/td>\r\n Straight\r\nAngle\r\nY-type<\/td>\r\n<\/tr>\r\n \r\nEND CONNECTIONS<\/td>\r\n Flanged\r\nBW\r\nSW\r\nTHR<\/td>\r\n<\/tr>\r\n \r\nOPTIONS<\/td>\r\n Extended Bonnet\r\nBellow Sealed\r\nHeating Jacket\r\nScrew-Down\/Non-Return<\/td>\r\n<\/tr>\r\n \r\nOPERATED<\/td>\r\n Handwheel\r\nActuator Operated\r\nBare Stem<\/td>\r\n<\/tr>\r\n \r\nBELLOW SEAL MATERIALS<\/td>\r\n 304\r\n321\r\n316Ti\r\nAlloy 625\r\nC276<\/td>\r\n<\/tr>\r\n \r\nDESIGN & TESTING<\/td>\r\n All available international standards according to API, EN, ISO\r\nFire safe design<\/td>\r\n<\/tr>\r\n \r\nSIZE & BORE<\/td>\r\n ANSI 1\/4 \u2013 16\u201d\r\nDN 6 \u2013 DN 400<\/td>\r\n<\/tr>\r\n \r\nPRESSURE RANGE<\/td>\r\n ANSI 125 \u2013 4,500 lbs.\r\nDIN PN 10 \u2013 PN 400<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\nApplications of Bellows Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\nBellow sealed globe valves can be deployed for a wide variety of applications in the oil & gas and petrochemical industries when high quality, reliable valves are required. A few example applications include:\r\n\r\n\r\n\r\n\r\n\r\n \t- \r\n
\r\n \t- High-temperature services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-cycle and switching services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Emergency shutdown valves<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-integrity pressure protection system<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-pressure oxygen, nitrogen, or hydrogen<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Solids handling (powders, fines, dust, and catalysts)<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Polyethylene or polypropylene<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Coal conversion, and gasification<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Thermal fluids<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Separator, filter, and drying systems<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Compressor stations<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- On\/off isolation service<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Oil & gas manifolds<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":3557,"name":"steam bellows seal globe valve","slug":"steam-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":3557,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3108,"label":"bellow seal gate valve"},{"value":2683,"label":"Bellow Seal Globe Valve"},{"value":3556,"label":"bellow seal valve"},{"value":3110,"label":"Bellows Seal Gate Valve"},{"value":2684,"label":"Bellows Seal Globe Valve"},{"value":2687,"label":"China Bellows Seal Globe Valve"},{"value":3557,"label":"steam bellows seal globe valve"}]},"yoast_head":"\n
Bellow Seal Valves - Bellows Seal Globe Valve | Bellow Seal Gate Valve | ZECO<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/de\/bellow-seal-valvesgateglobe-valve.html\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bellow Seal Valves - Bellows Seal Globe Valve | Bellow Seal Gate Valve | ZECO\" \/>\n<meta property=\"og:description\" content=\"ZECO Valve manufactures high-quality bellows sealed globe valves. Our company guarantees the quality and the perfect tightness of our valves according to ... 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Arten von Balgventilen<\/h2>\n\n\n\n
Dazu geh\u00f6ren: ANSI-Balgdichtungsventile, DIN-Balgdichtungsventile und andere Standard-Balgdichtungsventile, Balgdichtungsschieber, Balgdichtung Durchgangsventil<\/strong><\/em><\/p>\n\n\n\n Absperrventile mit Balgdichtung gem\u00e4\u00df ANSI sind zum Schneiden und Verbinden von Fl\u00fcssigkeitsleitungen geeignet. Absperrventile mit Balgdichtung gem\u00e4\u00df ANSI sind zum Schneiden, Umschalten und Einstellen des Mediums geeignet. Das Medium wird in verschiedenen Branchen wie Erd\u00f6l, Chemie, Pharmazie, chemischer D\u00fcnger, Elektrizit\u00e4tsindustrie usw. unter einem Nenndruck von CLASS150-900LBS und einer Betriebstemperatur von -29~350\u2103 verwendet. Ein Balgventil ist eine kompakte Konstruktion, eine Art Regelventil, das zur Abdichtung der Ventilschaftkomponenten einen Balg verwendet. Das Balgventil hat innen einen Balg, und das untere Ende des Edelstahlbalgs ist mit dem Schaft verschwei\u00dft, um zu verhindern, dass die Systemfl\u00fcssigkeit den Schaft erodiert.<\/p>\n\n\n\n Stopfventile erfordern zwei Dichtungsgrenzen: eine 360\u00b0-Dichtung auf der Schaftoberfl\u00e4che und eine 360\u00b0-Dichtung an der Stopfbuchsenwand. Das Conval-Faltenbalgventil schlie\u00dft diese beiden Leckagepfade aus. Conval-Faltenbalgventile werden verwendet, wenn Stopfventile leichte Gase oder gef\u00e4hrliche Systemfl\u00fcssigkeiten nicht zuverl\u00e4ssig zur\u00fcckhalten k\u00f6nnen. In allen Anwendungen ist die 6-lagige, geschwei\u00dfte Inconel-Faltenbalgschaftdichtung zuverl\u00e4ssiger als Gleitschaftdichtungen.<\/p>\n\n\n\n Diese kritischen Komponenten sind ein wesentlicher Bestandteil des sicheren Betriebs von Fl\u00fcssigkeitssystemen in zahlreichen Branchen, unter anderem in den folgenden:<\/p>\n\n\n\n Zehn Artikel davor und danach<\/p>\n\n\n\n ZECO Keilschieber<\/a><\/p>\n\n\n\n Absperrventil aus geschmiedetem Stahl<\/a><\/p>\n\n\n\n Was ist ein gutes Gesch\u00e4ft oder wie man es kauft<\/a><\/p>\n\n\n\n Schwimmendes Kugelventil<\/a><\/p>\n\n\n\n Englisch lernen<\/a><\/p>\n\n\n\n Distributoren\/Gro\u00dfh\u00e4ndler & Handelsvertreter gesucht<\/a><\/p>\n\n\n\n Chinesische Ventilindustrie<\/a><\/p>\n\n\n\n Schwimmender Kugelhahn Typ 100X \u2013 Produktinstallation und -wartung<\/a><\/p>\n\n\n\n \u00dcber Schieberventile<\/a><\/p>\n\n\n\n DIN-Ventilnorm (EN\/ISO) \u2013 Teil 2<\/a><\/p>","protected":false},"excerpt":{"rendered":" ZECO Valve fertigt hochwertige balggedichtete Absperrventile. Unser Unternehmen garantiert die Qualit\u00e4t und die einwandfreie Dichtheit unserer Ventile gem\u00e4\u00df \u2026 Weiterlesen ...<\/a><\/p>","protected":false},"author":2,"featured_media":20798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3108,2683,3556,3110,2684,2687,3557],"class_list":["post-1050","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-bellow-seal-gate-valve","tag-bellow-seal-globe-valve","tag-bellow-seal-valve","tag-bellows-seal-gate-valve","tag-bellows-seal-globe-valve","tag-china-bellows-seal-globe-valve","tag-steam-bellows-seal-globe-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg",1024,507,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":3108,"name":"bellow seal gate valve","slug":"bellow-seal-gate-valve","term_group":0,"term_taxonomy_id":3108,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2683,"name":"Bellow Seal Globe Valve","slug":"bellow-seal-globe-valve","term_group":0,"term_taxonomy_id":2683,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":3556,"name":"bellow seal valve","slug":"bellow-seal-valve","term_group":0,"term_taxonomy_id":3556,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3110,"name":"Bellows Seal Gate Valve","slug":"bellows-seal-gate-valve","term_group":0,"term_taxonomy_id":3110,"taxonomy":"post_tag","description":"\r\n\r\nIn particular chemical processes, the fluids in the pipes are often toxic, radioactive, and hazardous. Bellow sealed valves are used to prevent leakage of any toxic chemical into the atmosphere. The bellow can be supplied in different materials like 316Ti, 321, C276, or Alloy 625. Body material can be selected from all available materials.\r\n\r\n\r\n\r\n\r\n\r\nLeakage at various points in pipelines found in chemical plants creates emissions. All such leakage points can be detected using various methods and instruments and should be noted by the plant engineer. Critical leakage points include flanged gasket joints and the Valve\/pump gland packing, etc. Today the chemical process industry is gearing itself towards safer technology for better environmental protection and it has become every process engineer's responsibility to design plants that limit damage to the environment through the prevention of leakage of any toxic chemicals.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nGET BELLOW SEAL GATE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nBalg-Dichtungsschieber<\/h3>\n\n\n\n
Ein Parabolstecker zum Umschalten und Einstellen der Fl\u00fcssigkeit ist vorhanden.<\/p>\n\n\n\nProduktmerkmale des Balgdichtungs-Schiebers<\/h4>\n\n\n\n
Anwendbarer Standard f\u00fcr Faltenbalg-Schieber<\/h4>\n\n\n\n
Balgdichtungs-Absperrventil<\/a><\/mark><\/strong><\/h3>\n\n\n\n
Merkmale des Absperrventils mit Faltenbalg<\/h4>\n\n\n\n
Merkmale von Balgventilen<\/h2>\n\n\n\n
Faltenbalgventil vs. Stopfbuchsventil<\/h2>\n\n\n\n
Anwendungen von Faltenbalgventilen<\/h2>\n\n\n\n
Verwandte Tags:<\/h2>\n\n\n\n\n
What is Bellow Seal Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Bellow Seal Gate Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n\r\n\r\n\r\n
Bellow Construction of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe bellow cartridge is welded to both the Valve Bonnet and the Valve stem. The bellow cartridge has a number of convolutions and these convolutions become compressed or expanded depending upon the movement of the Valve stem. (Scientifically speaking the bellow gets compressed when the Valve is in the open position and expanded when the Valve is in the closed condition). It is important to properly install the Valve bodies. The bellow can be sealed to the Valves in two different ways. Firstly, the bellow can be welded to the Valve stem at the top and the Valve body at the bottom. In this case, the process fluid is contained inside the bellow, or in the second method the bellow is welded to the Valve stem at the bottom and the body on the top. In this case, the process fluid is contained in the annular region between the Valve Bonnet and bellow (from the outside).\r\n\r\n\r\n\r\n\r\n\r\nThe bellow is a critical component and forms the heart of the bellow seal Valves. To avoid any twisting of the bellow the Valve must have a stem with linear movement only. This can be achieved using a so-called sleeve nut at the Yoke portion of the Valve Bonnet. A handwheel is fitted onto the sleeve-nut which effectively transfers a rotary motion of the handwheel into a linear motion in the Valve stem.\r\n\r\n\r\n\r\n\r\n
Bellow types of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThere are two main types of bellow.. the Forged Bellow and the Welded Bellow. Formed-type bellows are made by rolling a flat sheet (thin wall foil) into a tube which is then longitudinally fusion welded. This tube is subsequently mechanically or hydrostatically formed into a bellow with rounded and widely spaced folds. The welded leaf type bellow is made by welding washer-like plates of thin metal together at both the inner and outer circumference of the washers - like plates. A welded leaf bellow has more folds per unit length as compared to forged bellows. Thus, for the same stroke length, forged bellows are two to three times longer than their welded leaf counterparts.\r\n\r\n\r\n\r\n\r\n\r\nReportedly, mechanically forged bellows fail at random spots, while the welded leaf usually fails at or near a weld. To ensure full penetration of bellow ends and end coller welding it is advisable to fabricate using micro plasma welding.\r\n\r\n\r\n\r\n\r\n
Bellow Design of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe multi-ply bellow design is preferred for handling higher-pressure fluids (generally two or three plies of the metal wall). A two-ply bellow can increase its pressure rating by 80% to 100% as compared to a single ply bellow of the same thickness. Alternatively, if a single ply bellow of a thickness equivalent to a pressure rating of a two-ply bellow is used, the stroke length is reduced. Thus, a multi-ply bellow design offers a distinct advantage over a single ply bellow. It is clear that the bellow is subject to metal fatigue and this fatigue can induce weld failure. The bellow fatigue life is affected by the material of construction, fabrication technique, stroke length, and stroke frequency, in addition to the usual parameters such as fluid temperature and pressure.\r\n\r\n\r\n\r\n\r\n
Specification of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n
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Features of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n
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Applications of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe hot oil system, steam system, hot and cold water system, etc.\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":2684,"name":"Bellows Seal Globe Valve","slug":"bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2684,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":2687,"name":"China Bellows Seal Globe Valve","slug":"china-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2687,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET BELLOW SEAL GLOBE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
What is Bellow Seal Globe Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Bellows Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n\r\n\r\n\r\n\r\nThe need for a completely different approach required for the desired sealing & redundancy has led to the development of Bellow seal globe Valves.\r\n\r\n\r\n\r\n\r\n
Features of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n
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Technical Specifications of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n
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\r\n TYPE OF DISC<\/td>\r\n Plug\r\nNeedle\r\nSwivel\r\nRegulating Disc<\/td>\r\n<\/tr>\r\n \r\n CONSTRUCTION<\/td>\r\n Bolted\r\nWelded\r\nExtended\r\nPressure Seal Bonnet<\/td>\r\n<\/tr>\r\n \r\n PATTERN<\/td>\r\n Straight\r\nAngle\r\nY-type<\/td>\r\n<\/tr>\r\n \r\n END CONNECTIONS<\/td>\r\n Flanged\r\nBW\r\nSW\r\nTHR<\/td>\r\n<\/tr>\r\n \r\n OPTIONS<\/td>\r\n Extended Bonnet\r\nBellow Sealed\r\nHeating Jacket\r\nScrew-Down\/Non-Return<\/td>\r\n<\/tr>\r\n \r\n OPERATED<\/td>\r\n Handwheel\r\nActuator Operated\r\nBare Stem<\/td>\r\n<\/tr>\r\n \r\n BELLOW SEAL MATERIALS<\/td>\r\n 304\r\n321\r\n316Ti\r\nAlloy 625\r\nC276<\/td>\r\n<\/tr>\r\n \r\n DESIGN & TESTING<\/td>\r\n All available international standards according to API, EN, ISO\r\nFire safe design<\/td>\r\n<\/tr>\r\n \r\n SIZE & BORE<\/td>\r\n ANSI 1\/4 \u2013 16\u201d\r\nDN 6 \u2013 DN 400<\/td>\r\n<\/tr>\r\n \r\n PRESSURE RANGE<\/td>\r\n ANSI 125 \u2013 4,500 lbs.\r\nDIN PN 10 \u2013 PN 400<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n Applications of Bellows Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\nBellow sealed globe valves can be deployed for a wide variety of applications in the oil & gas and petrochemical industries when high quality, reliable valves are required. A few example applications include:\r\n\r\n\r\n\r\n\r\n
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