Les vannes de r\u00e9gulation automatique, telles que d\u00e9crites par la norme EN 1074-5 : \u00ab ont la capacit\u00e9 int\u00e9grale de contr\u00f4ler la fonction en utilisant l'\u00e9nergie de l'eau transport\u00e9e en ajustant la position de l'obturateur. Ils peuvent \u00eatre actionn\u00e9s directement, c'est-\u00e0-dire que la force est appliqu\u00e9e (via un ressort ou un diaphragme) directement sur l'obturateur. Ils peuvent \u00eatre pilot\u00e9s, c'est-\u00e0-dire que la force est appliqu\u00e9e via une vanne pilote r\u00e9glable \u00bb.<\/p>\n\n\n\n
Comment fonctionne une vanne de r\u00e9gulation automatique ?<\/h2>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Zeco-Control-Valve-principle-1-1024x367.png\")
<\/figure>\n\n\n\nPrincipe des vannes de commande automatiques pour fonctionnement tout ou rien<\/h3>\n\n\n\nOuverture de la vanne<\/h4>\n\n\n\n
Si la pression \u00e0 l'int\u00e9rieur de la chambre de contr\u00f4le est mise en communication avec l'atmosph\u00e8re ou une autre zone de pression inf\u00e9rieure, la pression en amont agira sur l'obturateur, le poussant vers le haut permettant l'ouverture compl\u00e8te de la vanne.<\/p>\n\n\n\n
Vanne isol\u00e9e de la ligne<\/h4>\n\n\n\n
Si la chambre de commande est isol\u00e9e de la pression de la ligne et du reste du circuit, la vanne restera dans la m\u00eame position, produisant ainsi la perte de charge correspondant \u00e0 ce pourcentage d'ouverture.<\/p>\n\n\n\n
Fermeture de la vanne<\/h4>\n\n\n\n
Si la chambre de commande est mise en communication avec la pression amont, gr\u00e2ce \u00e0 la diff\u00e9rence de surface entre le m\u00e9plat sup\u00e9rieur et le diaphragme, plus grande que l'obturateur situ\u00e9 en dessous, la vanne se fermera compl\u00e8tement.<\/p>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Zeco-Control-Valve-principle-2-1024x385.png\")
<\/figure>\n\n\n\nPrincipe des vannes de r\u00e9gulation automatique pour un fonctionnement modulant<\/h3>\n\n\n\nOuverture de la vanne<\/h4>\n\n\n\n
Lorsque la vanne principale doit moduler, une restriction (R) est n\u00e9cessaire entre la pression de la ligne amont et la chambre de commande, en plus d'un r\u00e9gulateur (F) sur le circuit. Si cette derni\u00e8re s'ouvre compl\u00e8tement, la pression \u00e0 l'int\u00e9rieur de la chambre de contr\u00f4le sera mise en communication avec l'aval, permettant l'ouverture compl\u00e8te de la vanne principale.<\/p>\n\n\n\n
Modulation de la vanne<\/h4>\n\n\n\n
Si le r\u00e9gulateur de d\u00e9bit (F) est \u00e9trangl\u00e9, la pression s'accumulera entre celui-ci et la chambre de commande, provoquant la modulation de la vanne en cons\u00e9quence vers une position interm\u00e9diaire. Ceci est obtenu gr\u00e2ce \u00e0 la diff\u00e9rence de pression cr\u00e9\u00e9e par la restriction (R) et \u00e0 la diff\u00e9rence de section entre le m\u00e9plat sup\u00e9rieur agissant sur le diaphragme et l'obturateur.<\/p>\n\n\n\n
Fermeture de la vanne<\/h4>\n\n\n\n
Si le r\u00e9gulateur de d\u00e9bit (F) est compl\u00e8tement ferm\u00e9, la pression de la conduite en amont est enti\u00e8rement d\u00e9vi\u00e9e vers la chambre de commande principale. Le bloc mobile est d\u00e9plac\u00e9 par la force exerc\u00e9e sur le plat sup\u00e9rieur de la membrane poussant l'obturateur vers le bas sur le si\u00e8ge, interrompant ainsi l'\u00e9coulement \u00e0 travers la vanne principale.<\/p>\n\n\n\n
Composants d'une vanne de r\u00e9gulation automatique<\/h2>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Zeco-Control-Valve.png\")
<\/figure>\n<\/div>\n\n\nApplications des vannes de r\u00e9gulation automatique<\/h2>\n\n\n\n- Usines de traitement de l'eau<\/li>
- B\u00e2timents \u00e0 plusieurs \u00e9tages<\/li>
- Tours de stockage d'eau<\/li>
- Syst\u00e8mes d'eau r\u00e9cup\u00e9r\u00e9e<\/li>
- Syst\u00e8mes CVC<\/li><\/ul>\n\n\n\n
Types de vannes de r\u00e9gulation automatique<\/h2>\n\n\n\nVannes de r\u00e9duction de pression<\/a><\/mark><\/strong><\/h3>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/pressure-reducing-valve.jpg\")
D\u00e9tendeur<\/a><\/figcaption><\/figure>\n<\/div>\n\n\nLes r\u00e9ducteurs de pression peuvent r\u00e9duire une pression d'entr\u00e9e plus \u00e9lev\u00e9e \u00e0 une pression en aval constante quelles que soient les fluctuations de la pression de la demande et de l'alimentation et permettre la fourniture d'eau \u00e0 des pressions s\u00fbres et \u00e0 des niveaux ad\u00e9quats pour les besoins du client.<\/p>\n\n\n\n
Soupapes de d\u00e9charge de pression<\/a><\/strong><\/h3>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/pressure-relief-valve.jpg\")
Soupape de limitation de pression<\/figcaption><\/figure>\n<\/div>\n\n\nLa soupape de surpression peut soulager l'exc\u00e8s de pression tout en maintenant une pression minimale en amont et emp\u00eacher la demande en aval de sacrifier l'approvisionnement d'une zone en amont.<\/p>\n\n\n\n
Vannes de contr\u00f4le d'altitude<\/a><\/strong><\/h3>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/altitude-control-valve.jpg\")
Soupape de contr\u00f4le d'altitude<\/figcaption><\/figure>\n<\/div>\n\n\nLa vanne de contr\u00f4le d'altitude est con\u00e7ue pour s'ouvrir, permettant l'\u00e9coulement dans un r\u00e9servoir ou un r\u00e9servoir de stockage sur\u00e9lev\u00e9 (remplissage du r\u00e9servoir), et se fermer herm\u00e9tiquement lorsqu'un niveau d'eau \u00e9lev\u00e9 est atteint. Il contr\u00f4le le niveau d'eau en d\u00e9tectant \u00e0 distance la pression statique de la t\u00eate du r\u00e9servoir via une ligne de d\u00e9tection install\u00e9e sur site, s'ouvre lorsque le niveau d'eau est inf\u00e9rieur au point de consigne r\u00e9glable et se ferme herm\u00e9tiquement lorsque le niveau est sup\u00e9rieur au point de consigne r\u00e9glable.<\/p>\n\n\n\n
Vannes de commande \u00e0 flotteur \u00e0 distance<\/a><\/strong><\/h3>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/modulating-float-valve.jpg\")
Vanne de commande \u00e0 flotteur \u00e0 distance<\/figcaption><\/figure>\n<\/div>\n\n\nLa vanne de commande \u00e0 flotteur \u00e0 distance est con\u00e7ue pour se fermer herm\u00e9tiquement lorsque le niveau d'eau atteint le point de consigne de niveau haut r\u00e9glable et s'ouvrir compl\u00e8tement lorsque le niveau d'eau est inf\u00e9rieur au point de consigne de niveau bas r\u00e9glable pour augmenter la circulation du r\u00e9servoir. Les niveaux haut et bas sont r\u00e9glables s\u00e9par\u00e9ment en positionnant les colliers d'arr\u00eat sur la ou les tiges du flotteur aux points de consigne d'ouverture et de fermeture souhait\u00e9s. Si vous le souhaitez, l'action tout ou rien de la vanne peut \u00eatre invers\u00e9e en modifiant les connexions hydrauliques du pilote \u00e0 flotteur On-Off. Le flotteur pilote peut \u00eatre soit mont\u00e9 sur vanne, soit mont\u00e9 \u00e0 distance.<\/p>\n\n\n\n
Vannes anti-surtension<\/a><\/strong><\/h3>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/surge-anticipating-valve.jpg\")
Valve anti-surtension<\/figcaption><\/figure>\n<\/div>\n\n\nLa vanne anti-surtension est une vanne hors ligne, \u00e0 commande hydraulique et actionn\u00e9e par membrane. La vanne, d\u00e9tectant la pression de la conduite, s'ouvre en r\u00e9ponse \u00e0 la chute de pression associ\u00e9e \u00e0 un arr\u00eat brusque de la pompe. La valve pr\u00e9-ouverte dissipe l'onde de haute pression qui revient, \u00e9liminant ainsi la surtension. La valve anti-surtension se ferme en douceur aussi rapidement que la fonction de d\u00e9charge le permet tout en emp\u00eachant la surtension de fermeture. La vanne soulage \u00e9galement la pression excessive du syst\u00e8me.<\/p>\n\n\n\n
\u00c9lectrovannes de commande<\/h3>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/solenoid-control-valve.jpg\")
\u00c9lectrovanne de commande<\/figcaption><\/figure>\n<\/div>\n\n\nLes \u00e9lectrovannes \u00e0 eau sont les \u00e9l\u00e9ments de commande les plus fr\u00e9quemment utilis\u00e9s en fluidique. Leurs t\u00e2ches consistent \u00e0 fermer, lib\u00e9rer, doser, distribuer ou m\u00e9langer des fluides. On les retrouve dans de nombreux domaines d\u2019application. Les \u00e9lectrovannes offrent une commutation rapide et s\u00fbre, une fiabilit\u00e9 \u00e9lev\u00e9e, une longue dur\u00e9e de vie, une bonne compatibilit\u00e9 des mat\u00e9riaux utilis\u00e9s, une faible puissance de commande et une conception compacte.<\/p>\n\n\n\n
Vannes de contr\u00f4le de d\u00e9bit<\/a><\/strong><\/h3>\n\n\n\n![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/flow-control-valve.jpg\")
Vanne de contr\u00f4le de d\u00e9bit<\/figcaption><\/figure>\n<\/div>\n\n\nLa vanne de r\u00e9gulation de d\u00e9bit emp\u00eache un d\u00e9bit excessif en limitant le d\u00e9bit \u00e0 un d\u00e9bit maximum pr\u00e9s\u00e9lectionn\u00e9, quel que soit le changement de pression de la conduite. Ce sont des vannes \u00e0 membrane \u00e0 commande hydraulique et pilot\u00e9es. La commande pilote r\u00e9pond \u00e0 la pression diff\u00e9rentielle produite \u00e0 travers une plaque \u00e0 orifice install\u00e9e en aval de la vanne. Un contr\u00f4le pr\u00e9cis est assur\u00e9 car de tr\u00e8s petits changements dans la pression diff\u00e9rentielle de contr\u00f4le produisent une action corrective imm\u00e9diate de la vanne principale. Les r\u00e9glages du d\u00e9bit se font en tournant une vis de r\u00e9glage sur la commande pilote.<\/p>\n\n\n\n
Avantages des vannes de r\u00e9gulation automatique<\/h2>\n\n\n\n- Conception rationalis\u00e9e radiale compl\u00e8te, petite r\u00e9sistance aux fluides, grand d\u00e9bit et forte capacit\u00e9 anti-cavitation.<\/li>
- La bague d'\u00e9tanch\u00e9it\u00e9 adopte une structure avanc\u00e9e de bague d'\u00e9tanch\u00e9it\u00e9 en forme d'\u00e9toile.<\/li>
- Si\u00e8ge de valve amovible en acier inoxydable 304, r\u00e9sistance \u00e0 la corrosion, r\u00e9sistance \u00e0 l'\u00e9rosion, bonnes performances d'\u00e9tanch\u00e9it\u00e9.<\/li>
- Le diaphragme est fabriqu\u00e9 en caoutchouc renforc\u00e9 de nylon, avec un maillage tridimensionnel, une bonne \u00e9lasticit\u00e9, une r\u00e9sistance \u00e0 haute pression et une longue dur\u00e9e de vie.<\/li>
- Diff\u00e9rentes vannes pilotes sont disponibles pour r\u00e9aliser diff\u00e9rentes fonctions.<\/li>
- Pression nominale\u00a0: 10 bars, 16 bars, 25 bars\u00a0; CL150,CL300<\/li>
- Connexions d'extr\u00e9mit\u00e9\u00a0: extr\u00e9mit\u00e9s de bride standard selon EN1092, ASME B16.5 et autres sur demande.<\/li><\/ul>\n\n\n\n\n
Balises associ\u00e9es :<\/h2>\n\n\n\n\n\nSoupape ZECO<\/a>\n\n<\/div>\n\n\n\n\nQue sont les vannes de r\u00e9gulation automatique ?<\/a>\n\n<\/div>\n\n\n\n\nRobinet \u00e0 papillon NBR<\/a>\n\n<\/div>\n\n\n\n\nQu'est-ce qu'un clapet anti-retour axial ?<\/a>\n\n<\/div>\n\n\n\n\n\nFabricant de robinets-vannes \u00e0 commande manuelle<\/a>\n\n<\/div>\n\n\n\n\nUsine de soupapes de r\u00e9duction de pression de Shanghai<\/a>\n\n<\/div>\n\n\n\n<\/p>\n\n\n\n
Dix articles avant et apr\u00e8s<\/p>\n\n\n\n
S\u00c9LECTIONNER LES VANNES DE R\u00c9GULATION I \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\nCONCEPTION DE POMPE EN LIGNE VERTICALE OU HORIZONTALE \u2013 QUE CHOISIR \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\nCOMMENT S\u00c9LECTIONNER LES VANNES DE CONTR\u00d4LE II \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\nUtilisation et entretien des robinets \u00e0 tournant sph\u00e9rique utilis\u00e9s pour les conduites de gaz \u2013 Zeco Valve | Fabricant de vannes agr\u00e9\u00e9 API<\/a><\/p>\n\n\n\nCOMMENT S\u00c9LECTIONNER LES Pompes \u00e0 aspiration finale \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\nBONNE R\u00c9PUTATION POUR LES POMPES \u00c0 CARTER SPLIT \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\nDISCUTONS DES POMPES PNEUMATIQUES \u00c0 MEMBRANE \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\nHISTOIRE DES SOUPAPES DE S\u00c9CURIT\u00c9 SUR CHAUDI\u00c8RES MANUELLES \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\nUN BREF HISTORIQUE DES POMPES DOSES \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\nLA FONDATION DE LA SOUPAPE DE D\u00c9CHARGE DE PRESSION \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>","protected":false},"excerpt":{"rendered":"Les vannes de r\u00e9gulation constituent un \u00e9l\u00e9ment crucial du fonctionnement efficace et efficient associ\u00e9 \u00e0 un syst\u00e8me de pipelines. Que sont les vannes de r\u00e9gulation automatique ? \u2026 Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":16737,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[2368],"tags":[2432,2433,2427,2428,2435,2429,1880,2430,2394,2431,3208,2651,2436,2690],"class_list":["post-12944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-control-valve","tag-altitude-control-valve","tag-altitude-control-valves","tag-automatic-control-valve","tag-automatic-control-valves","tag-float-control-valve","tag-pressure-reducing-valve","tag-pressure-reducing-valve-wikipedia","tag-pressure-reducing-valves","tag-pressure-relief-valve","tag-pressure-relief-valves","tag-pressure-safety-valve-market","tag-shanghai-pressure-reducing-valve-factory","tag-surge-anticipating-valve","tag-oertli-lane","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/pressure-reducing-valve.jpg",330,300,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":2368,"name":"Control Valve","slug":"control-valve","term_group":0,"term_taxonomy_id":2368,"taxonomy":"category","description":"","parent":0,"count":12,"filter":"raw","cat_ID":2368,"category_count":12,"category_description":"","cat_name":"Control Valve","category_nicename":"control-valve","category_parent":0}],"tag_info":[{"term_id":2432,"name":"Altitude Control Valve","slug":"altitude-control-valve","term_group":0,"term_taxonomy_id":2432,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2433,"name":"Altitude Control Valves","slug":"altitude-control-valves","term_group":0,"term_taxonomy_id":2433,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2427,"name":"Automatic Control Valve","slug":"automatic-control-valve","term_group":0,"term_taxonomy_id":2427,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2428,"name":"Automatic Control Valves","slug":"automatic-control-valves","term_group":0,"term_taxonomy_id":2428,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2435,"name":"Float Control Valve","slug":"float-control-valve","term_group":0,"term_taxonomy_id":2435,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2429,"name":"Pressure Reducing Valve","slug":"pressure-reducing-valve","term_group":0,"term_taxonomy_id":2429,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":1880,"name":"Pressure Reducing Valve Wikipedia","slug":"pressure-reducing-valve-wikipedia","term_group":0,"term_taxonomy_id":1880,"taxonomy":"post_tag","description":"\r\nWhat is a Pressure Reducing Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA pressure-reducing valve is a self-operating valve that is used to reduce any excess pressure in a system. Sometimes this valve is also known as pressure reducing regulator.\r\n\r\n\r\n\r\n\r\n\r\nGET PRESSURE REDUCING VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nComponents of a Pressure Reducing Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe pressure reducing valve incorporates a multitude of elements to assist with optimal function.\r\n\r\n\r\n\r\n\r\nValve body<\/h3>\r\n\r\n\r\n\r\n\r\nThe valve body has an internal V port throttling plug that provides an accurate and stable response for flow and pressure regulation while simultaneously reducing noise and vibration. The V port throttling plug also enables the valve to operate close to zero without hunting.\r\n\r\n\r\n\r\n\r\nPilot regulator<\/h3>\r\n\r\n\r\n\r\n\r\nOften referred to as the brain of the valve, the Bermad two-way balanced pilot regulator determines the flow of water to and from the control chamber. This coincides with the needle valve to help regulate the flow and maintain a consistent pressure.\r\n\r\n\r\n\r\n\r\nLarge control filter<\/h3>\r\n\r\n\r\n\r\n\r\nFor the valve to work with minimum maintenance and fault-free operation, it\u2019s critical to filter the water entering the pilot regulator. The larger filter increases reliability of the control valve system and time between maintenance, while minimising faulty operation and maintenance upkeep.\r\n\r\n\r\n\r\n\r\nHow does a Pressure Reducing Valve work?<\/h2>\r\n\r\n\r\n\r\n\r\nA pressure reducing valve is a valve which takes a high inlet pressure and reduces it to a lower outlet pressure. When it does this under both flow and no-flow conditions, the type of control is known as \u2018drop tight\u2019. Reliance\u2019s pressure reducing valves use a balanced spring and diaphragm to control the downstream pressure. This \u2018drop tight\u2019 feature is one of the most important criteria for any pressure reducing valves, as this stops the pressure from \u2018creeping\u2019 \u2013 a term which is used when an increase in the downstream pressure occurs under no flow conditions. A valve which will allow this \u2018creep\u2019 cannot be known as \u2018drop tight\u2019 or in fact a true pressure reducing valve, as it will eventually allow the pressure to creep up to equal the upstream pressure, which can cause significant problems and essentially negates the point of using a pressure reducing valve in the first place.\r\n\r\n\r\n\r\n\r\n\r\nThe diaphragm effectively separates all of the water contact parts and the pressure from the water supply away from the control spring and associated mechanism. The body is then protected from debris by the use of a stainless-steel strainer.\r\n\r\n\r\n\r\n\r\n\r\nUnder no flow conditions the downstream pressure puts back-pressure on the seat and diaphragm of the valve, which in turn overcomes the spring pressure. This means the seat moves up, forcing it to seal against the diaphragm, therefore not allowing the downstream pressure to increase.\r\n\r\n\r\n\r\n\r\n\r\nUnder flow conditions the back pressure against the seat is reduced thus allowing the seat to open and water to flow through the valve.\r\n\r\n\r\n\r\n\r\nFeatures of Pressure Reducing Valves<\/h2>\r\n\r\n\r\n\r\n\r\n \t- Pressure reducing values can protect your pipes and keep your plumbing fittings from bursting.\r\n
\r\n \t- A pressure reducing valve protects your pipe and your plumbing fitting from bursting due to high water pressure.<\/li>\r\n \t
- High water pressure can put stress on your pipes, causing them to break or damage the plumbing fitting leading to leaks.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t
- It can help you conserve water and save money on utility bills\r\n
\r\n \t- Water pressure reducing valves save water, as less pressure it gives, it reduces wastewater treatment load and further protect the environment. It also helps in saving energy! When water is flowing at a lower pressure, it means less energy is needed to be used to heat water. Ultimately, it can also help you save money on plumbing maintenance since it reduced the issues with your plumbing system caused by the high pressure of water.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t
- It extends the lifespan of your fixtures and appliances\r\n
\r\n \t- Every plumbing related fixture and appliance in your home was made to handle water pressure of typically between 50-80 psi. But, your municipal water line could be pumping water to your home as high as 150 psi! This different means that a high level of stress is put on your plumbing system. Eventually leading to frequent repairs and costly replacement of parts. Your fixtures will last longer if your home maintains appropriate water pressure.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n","parent":0,"count":4,"filter":"raw"},{"term_id":2430,"name":"Pressure Reducing Valves","slug":"pressure-reducing-valves","term_group":0,"term_taxonomy_id":2430,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2394,"name":"pressure relief valve","slug":"pressure-relief-valve","term_group":0,"term_taxonomy_id":2394,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":2431,"name":"Pressure Relief Valves","slug":"pressure-relief-valves","term_group":0,"term_taxonomy_id":2431,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3208,"name":"Pressure Safety Valve Market","slug":"pressure-safety-valve-market","term_group":0,"term_taxonomy_id":3208,"taxonomy":"post_tag","description":"\r\n\r\n\r\n
What is a Pressure Safety Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA safety valve is a device that serves as a last line of defense in numerous situations. It is critical to guarantee that the safety valve can function at all times and under all conditions. A safety valve is not a process valve or a pressure regulator, and it should never be used in that capacity. It should only be used for one thing: overpressure protection. The Safety Valve's purpose is to safeguard people and property in the event of a failure to manage system pressures, i.e., it is the final line of defense before ultimate failure.\r\n\r\n\r\n\r\n\r\n\r\nGET PRESSURE SAFETY VALVE MARKET INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nTypes of Pressure Safety Valve<\/h2>\r\n\r\n\r\n\r\nSpring Operated Valve<\/h3>\r\n\r\n\r\n\r\n\r\nThe spring-operated valve is an automatic closing device that maintains a constant supply of fluid in the event of pressure fluctuations. Spring-operated valves are commonly used for noncritical or low-pressure applications such as pressurizing boilers, controlling domestic hot water heating systems, and maintaining proper airflow in aircraft engines.\r\n\r\n\r\n\r\n\r\nPilot Operated Valve<\/h3>\r\n\r\n\r\n\r\n\r\nA pressure relief valve is a safety device that relieves excessive internal or external pressure by opening an electric solenoid-operated spool. Pilot Operated Valves are typically used to control the downstream flow of fluids, such as water and oil. These valves work on the principle of throttling back upstream fluid pressures, but they also can be used to control downstream flow.\r\n\r\n\r\n\r\n\r\n\r\nPilot-operated valves are typically used in industries such as water supply systems and oil refineries because these types of facilities tend not to have high downstream pressure.\r\n\r\n\r\n\r\n\r\n\r\nOn the basis of the End Users \/ Applications, the Pressure Safety Valve Market is segmented into:\r\n\r\n\r\n\r\n\r\n\r\n \t- Oil and Gas<\/li>\r\n \t
- Power and Energy<\/li>\r\n \t
- Healthcare and Pharmaceutical<\/li>\r\n \t
- Water Supply System<\/li>\r\n \t
- Others<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\nOn the basis of Geography, the Pressure Safety Valve Market is segmented into:\r\n\r\n\r\n\r\n\r\n
\r\n \t- North America (USA, Canada, Mexico)<\/li>\r\n \t
- Europe (Germany, UK, France, Russia, Italy, Rest of Europe)<\/li>\r\n \t
- Asia-Pacific (China, Japan, South Korea, India, Southeast Asia, Rest of Asia-Pacific)<\/li>\r\n \t
- South America (Brazil, Argentina, Columbia, Rest of South America)<\/li>\r\n \t
- The Middle East and Africa (Saudi Arabia, UAE, Egypt, Nigeria, South Africa, Rest of MEA)<\/li>\r\n<\/ul>\r\n","parent":0,"count":6,"filter":"raw"},{"term_id":2651,"name":"Shanghai Pressure Reducing Valve Factory","slug":"shanghai-pressure-reducing-valve-factory","term_group":0,"term_taxonomy_id":2651,"taxonomy":"post_tag","description":"\r\n
What is a Pressure Reducing Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Pressure Reducing Valve is a self-operating valve used to control excess pressure to give a constant reduced pressure to a system. The pressure reduction regulator is another name for this valve. The primary function of pressure-reducing valves is to convert increased incoming pressure into lower outgoing pressure. They are widely utilized in the water, steam, and oil and gas sectors. So, Pressure Reducing Valve manufacturers define the valve as a self-acting automated control valve that reduces a greater uncontrolled intake pressure to a constant, lowered output pressure independent of upstream water pressure variations. We will learn about the working, different types, uses, and benefits of pressure-reducing valves in this article.\r\n\r\n\r\n\r\n\r\nHow does a Pressure Reducing Valve work?<\/h2>\r\n\r\n\r\n\r\n\r\nWhen it does this under both flow and no-flow conditions, the type of control is known as \u2018drop tight\u2019. ZECO pressure reducing valves use a balanced spring and diaphragm to control the downstream pressure. This \u2018drop tight\u2019 feature is one of the most important criteria for any pressure reducing valves, as this stops the pressure from \u2018creeping\u2019 \u2013 a term which is used when an increase in the downstream pressure occurs under no flow conditions. A valve which will allow this \u2018creep\u2019 cannot be known as \u2018drop tight\u2019 or in fact a true pressure reducing valve, as it will eventually allow the pressure to creep up to equal the upstream pressure, which can cause significant problems and essentially negates the point of using a pressure reducing valve in the first place.\r\n\r\n\r\n\r\n\r\n\r\nThe diaphragm effectively separates all of the water contact parts and the pressure from the water supply away from the control spring and associated mechanism. The body is then protected from debris by the use of a stainless-steel strainer.\r\n\r\n\r\n\r\n\r\n\r\nUnder no flow conditions the downstream pressure puts back-pressure on the seat and diaphragm of the valve, which in turn overcomes the spring pressure. This means the seat moves up, forcing it to seal against the diaphragm, therefore not allowing the downstream pressure to increase.\r\n\r\n\r\n\r\n\r\n\r\nUnder flow conditions the back pressure against the seat is reduced thus allowing the seat to open and water to flow through the valve.\r\n\r\n\r\n\r\n\r\nAdvantages of Pressure Reducing Valves<\/h2>\r\n\r\n\r\n\r\n\r\n \t- Direct acting pressure reducing valve is suitable for general liquids and gases.<\/li>\r\n \t
- WRAS & ACS Certifications for Drinking Water and Beverage application.<\/li>\r\n \t
- Suitable for process automation control and many general purpose applications.<\/li>\r\n \t
- Convenient in-style mounts either horizontally or vertically.<\/li>\r\n \t
- Wide range capacity to handle local water supply pressure and adjust to specific pump specifications.<\/li>\r\n \t
- Adjusting nut allows easy calibrated pressure adjustment.<\/li>\r\n \t
- Stainless Steel 316 lower body and upper body construction for durability and compatibility.<\/li>\r\n \t
- The balanced piston design provides a constant outlet pressure even when the inlet pressure is unstable. The supplied pressure gauge indicates the outlet pressure.<\/li>\r\n \t
- Easy maintenance, maintenance kits are available upon request.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\nZECO Valve is the most professional Shanghai Pressure Reducing Valve Factory since 1991. If any inquiry, please contact ZECO.\r\n\r\n","parent":0,"count":4,"filter":"raw"},{"term_id":2436,"name":"Surge Anticipating Valve","slug":"surge-anticipating-valve","term_group":0,"term_taxonomy_id":2436,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2690,"name":"Valves used in Oertli Lane","slug":"oertli-lane","term_group":0,"term_taxonomy_id":2690,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET OERTLI LANE ADDRESS<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Where is Oertli Lane?<\/h2>\r\n\r\n\r\n\r\n\r\nOertli Ln, Austin, TX 78753 USA. Many of the houses in this place were built in 1970, so the valves used are also quite old.\r\n\r\n\r\n\r\n\r\nThe Valves Used in Oertli Lane<\/h2>\r\n\r\n\r\n\r\n\r\nUsually similar to the OERTLI LANE villa area with valves are mainly water valves, common water valves are brass ball valves, brass gate valves, resilient seated gate valves, pressure reducing valves, etc.\r\n\r\n\r\n\r\n\r\nWhat is a Brass Ball Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nThe brass ball valve is a manually operated full port valve, which is used to control water to small open-head extinguishing systems or in the trim on water flow alarm valves, dry pipe valves, or automatic water control valves.\r\n\r\n\r\n\r\n\r\nWhat is a Brass Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nBSP Threaded Brass Gate Valve. Brass body with a metal seat and PTFE gland. 0-16 BAR pressure range with media temperatures from -20\u00b0C to 120\u00b0C. Great for a wide range of gases and liquids.\r\n\r\n\r\n\r\n\r\nWhat is a Resilient Seated Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nResilient seat gate valves are gate valves with an elastomer-lined wedge. They are specially used for wastewater, drinking water supply, and irrigation.\r\n\r\n","parent":0,"count":5,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2368,"label":"Control Valve"}],"post_tag":[{"value":2432,"label":"Altitude Control Valve"},{"value":2433,"label":"Altitude Control Valves"},{"value":2427,"label":"Automatic Control Valve"},{"value":2428,"label":"Automatic Control Valves"},{"value":2435,"label":"Float Control Valve"},{"value":2429,"label":"Pressure Reducing Valve"},{"value":1880,"label":"Pressure Reducing Valve Wikipedia"},{"value":2430,"label":"Pressure Reducing Valves"},{"value":2394,"label":"pressure relief valve"},{"value":2431,"label":"Pressure Relief Valves"},{"value":3208,"label":"Pressure Safety Valve Market"},{"value":2651,"label":"Shanghai Pressure Reducing Valve Factory"},{"value":2436,"label":"Surge Anticipating Valve"},{"value":2690,"label":"Valves used in Oertli Lane"}]},"yoast_head":"\nAUTOMATIC CONTROL VALVE - Pressure Reducing Valve - Zeco Valve<\/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\/fr\/history-of-automatic-control-valve-zeco-valve-industrial-valve-manufacturer.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AUTOMATIC CONTROL VALVE - Pressure Reducing Valve - Zeco Valve\" \/>\n<meta property=\"og:description\" content=\"Control valves form a crucial part of the efficient and effective operation associated with a pipeline system. 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<\/figure>\n\n\n\nPrincipe des vannes de commande automatiques pour fonctionnement tout ou rien<\/h3>\n\n\n\nOuverture de la vanne<\/h4>\n\n\n\n
Si la pression \u00e0 l'int\u00e9rieur de la chambre de contr\u00f4le est mise en communication avec l'atmosph\u00e8re ou une autre zone de pression inf\u00e9rieure, la pression en amont agira sur l'obturateur, le poussant vers le haut permettant l'ouverture compl\u00e8te de la vanne.<\/p>\n\n\n\n
Vanne isol\u00e9e de la ligne<\/h4>\n\n\n\n
Si la chambre de commande est isol\u00e9e de la pression de la ligne et du reste du circuit, la vanne restera dans la m\u00eame position, produisant ainsi la perte de charge correspondant \u00e0 ce pourcentage d'ouverture.<\/p>\n\n\n\n
Fermeture de la vanne<\/h4>\n\n\n\n
Si la chambre de commande est mise en communication avec la pression amont, gr\u00e2ce \u00e0 la diff\u00e9rence de surface entre le m\u00e9plat sup\u00e9rieur et le diaphragme, plus grande que l'obturateur situ\u00e9 en dessous, la vanne se fermera compl\u00e8tement.<\/p>\n\n\n\n Lorsque la vanne principale doit moduler, une restriction (R) est n\u00e9cessaire entre la pression de la ligne amont et la chambre de commande, en plus d'un r\u00e9gulateur (F) sur le circuit. Si cette derni\u00e8re s'ouvre compl\u00e8tement, la pression \u00e0 l'int\u00e9rieur de la chambre de contr\u00f4le sera mise en communication avec l'aval, permettant l'ouverture compl\u00e8te de la vanne principale.<\/p>\n\n\n\n Si le r\u00e9gulateur de d\u00e9bit (F) est \u00e9trangl\u00e9, la pression s'accumulera entre celui-ci et la chambre de commande, provoquant la modulation de la vanne en cons\u00e9quence vers une position interm\u00e9diaire. Ceci est obtenu gr\u00e2ce \u00e0 la diff\u00e9rence de pression cr\u00e9\u00e9e par la restriction (R) et \u00e0 la diff\u00e9rence de section entre le m\u00e9plat sup\u00e9rieur agissant sur le diaphragme et l'obturateur.<\/p>\n\n\n\n Si le r\u00e9gulateur de d\u00e9bit (F) est compl\u00e8tement ferm\u00e9, la pression de la conduite en amont est enti\u00e8rement d\u00e9vi\u00e9e vers la chambre de commande principale. Le bloc mobile est d\u00e9plac\u00e9 par la force exerc\u00e9e sur le plat sup\u00e9rieur de la membrane poussant l'obturateur vers le bas sur le si\u00e8ge, interrompant ainsi l'\u00e9coulement \u00e0 travers la vanne principale.<\/p>\n\n\n\n Les r\u00e9ducteurs de pression peuvent r\u00e9duire une pression d'entr\u00e9e plus \u00e9lev\u00e9e \u00e0 une pression en aval constante quelles que soient les fluctuations de la pression de la demande et de l'alimentation et permettre la fourniture d'eau \u00e0 des pressions s\u00fbres et \u00e0 des niveaux ad\u00e9quats pour les besoins du client.<\/p>\n\n\n\n La soupape de surpression peut soulager l'exc\u00e8s de pression tout en maintenant une pression minimale en amont et emp\u00eacher la demande en aval de sacrifier l'approvisionnement d'une zone en amont.<\/p>\n\n\n\n La vanne de contr\u00f4le d'altitude est con\u00e7ue pour s'ouvrir, permettant l'\u00e9coulement dans un r\u00e9servoir ou un r\u00e9servoir de stockage sur\u00e9lev\u00e9 (remplissage du r\u00e9servoir), et se fermer herm\u00e9tiquement lorsqu'un niveau d'eau \u00e9lev\u00e9 est atteint. Il contr\u00f4le le niveau d'eau en d\u00e9tectant \u00e0 distance la pression statique de la t\u00eate du r\u00e9servoir via une ligne de d\u00e9tection install\u00e9e sur site, s'ouvre lorsque le niveau d'eau est inf\u00e9rieur au point de consigne r\u00e9glable et se ferme herm\u00e9tiquement lorsque le niveau est sup\u00e9rieur au point de consigne r\u00e9glable.<\/p>\n\n\n\n La vanne de commande \u00e0 flotteur \u00e0 distance est con\u00e7ue pour se fermer herm\u00e9tiquement lorsque le niveau d'eau atteint le point de consigne de niveau haut r\u00e9glable et s'ouvrir compl\u00e8tement lorsque le niveau d'eau est inf\u00e9rieur au point de consigne de niveau bas r\u00e9glable pour augmenter la circulation du r\u00e9servoir. Les niveaux haut et bas sont r\u00e9glables s\u00e9par\u00e9ment en positionnant les colliers d'arr\u00eat sur la ou les tiges du flotteur aux points de consigne d'ouverture et de fermeture souhait\u00e9s. Si vous le souhaitez, l'action tout ou rien de la vanne peut \u00eatre invers\u00e9e en modifiant les connexions hydrauliques du pilote \u00e0 flotteur On-Off. Le flotteur pilote peut \u00eatre soit mont\u00e9 sur vanne, soit mont\u00e9 \u00e0 distance.<\/p>\n\n\n\n La vanne anti-surtension est une vanne hors ligne, \u00e0 commande hydraulique et actionn\u00e9e par membrane. La vanne, d\u00e9tectant la pression de la conduite, s'ouvre en r\u00e9ponse \u00e0 la chute de pression associ\u00e9e \u00e0 un arr\u00eat brusque de la pompe. La valve pr\u00e9-ouverte dissipe l'onde de haute pression qui revient, \u00e9liminant ainsi la surtension. La valve anti-surtension se ferme en douceur aussi rapidement que la fonction de d\u00e9charge le permet tout en emp\u00eachant la surtension de fermeture. La vanne soulage \u00e9galement la pression excessive du syst\u00e8me.<\/p>\n\n\n\n Les \u00e9lectrovannes \u00e0 eau sont les \u00e9l\u00e9ments de commande les plus fr\u00e9quemment utilis\u00e9s en fluidique. Leurs t\u00e2ches consistent \u00e0 fermer, lib\u00e9rer, doser, distribuer ou m\u00e9langer des fluides. On les retrouve dans de nombreux domaines d\u2019application. Les \u00e9lectrovannes offrent une commutation rapide et s\u00fbre, une fiabilit\u00e9 \u00e9lev\u00e9e, une longue dur\u00e9e de vie, une bonne compatibilit\u00e9 des mat\u00e9riaux utilis\u00e9s, une faible puissance de commande et une conception compacte.<\/p>\n\n\n\n La vanne de r\u00e9gulation de d\u00e9bit emp\u00eache un d\u00e9bit excessif en limitant le d\u00e9bit \u00e0 un d\u00e9bit maximum pr\u00e9s\u00e9lectionn\u00e9, quel que soit le changement de pression de la conduite. Ce sont des vannes \u00e0 membrane \u00e0 commande hydraulique et pilot\u00e9es. La commande pilote r\u00e9pond \u00e0 la pression diff\u00e9rentielle produite \u00e0 travers une plaque \u00e0 orifice install\u00e9e en aval de la vanne. Un contr\u00f4le pr\u00e9cis est assur\u00e9 car de tr\u00e8s petits changements dans la pression diff\u00e9rentielle de contr\u00f4le produisent une action corrective imm\u00e9diate de la vanne principale. Les r\u00e9glages du d\u00e9bit se font en tournant une vis de r\u00e9glage sur la commande pilote.<\/p>\n\n\n\n <\/p>\n\n\n\n Dix articles avant et apr\u00e8s<\/p>\n\n\n\n S\u00c9LECTIONNER LES VANNES DE R\u00c9GULATION I \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n CONCEPTION DE POMPE EN LIGNE VERTICALE OU HORIZONTALE \u2013 QUE CHOISIR \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n COMMENT S\u00c9LECTIONNER LES VANNES DE CONTR\u00d4LE II \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n Utilisation et entretien des robinets \u00e0 tournant sph\u00e9rique utilis\u00e9s pour les conduites de gaz \u2013 Zeco Valve | Fabricant de vannes agr\u00e9\u00e9 API<\/a><\/p>\n\n\n\n COMMENT S\u00c9LECTIONNER LES Pompes \u00e0 aspiration finale \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n BONNE R\u00c9PUTATION POUR LES POMPES \u00c0 CARTER SPLIT \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n DISCUTONS DES POMPES PNEUMATIQUES \u00c0 MEMBRANE \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n HISTOIRE DES SOUPAPES DE S\u00c9CURIT\u00c9 SUR CHAUDI\u00c8RES MANUELLES \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n UN BREF HISTORIQUE DES POMPES DOSES \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n LA FONDATION DE LA SOUPAPE DE D\u00c9CHARGE DE PRESSION \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>","protected":false},"excerpt":{"rendered":" Les vannes de r\u00e9gulation constituent un \u00e9l\u00e9ment crucial du fonctionnement efficace et efficient associ\u00e9 \u00e0 un syst\u00e8me de pipelines. Que sont les vannes de r\u00e9gulation automatique ? \u2026 Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":16737,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[2368],"tags":[2432,2433,2427,2428,2435,2429,1880,2430,2394,2431,3208,2651,2436,2690],"class_list":["post-12944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-control-valve","tag-altitude-control-valve","tag-altitude-control-valves","tag-automatic-control-valve","tag-automatic-control-valves","tag-float-control-valve","tag-pressure-reducing-valve","tag-pressure-reducing-valve-wikipedia","tag-pressure-reducing-valves","tag-pressure-relief-valve","tag-pressure-relief-valves","tag-pressure-safety-valve-market","tag-shanghai-pressure-reducing-valve-factory","tag-surge-anticipating-valve","tag-oertli-lane","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/pressure-reducing-valve.jpg",330,300,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":2368,"name":"Control Valve","slug":"control-valve","term_group":0,"term_taxonomy_id":2368,"taxonomy":"category","description":"","parent":0,"count":12,"filter":"raw","cat_ID":2368,"category_count":12,"category_description":"","cat_name":"Control Valve","category_nicename":"control-valve","category_parent":0}],"tag_info":[{"term_id":2432,"name":"Altitude Control Valve","slug":"altitude-control-valve","term_group":0,"term_taxonomy_id":2432,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2433,"name":"Altitude Control Valves","slug":"altitude-control-valves","term_group":0,"term_taxonomy_id":2433,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2427,"name":"Automatic Control Valve","slug":"automatic-control-valve","term_group":0,"term_taxonomy_id":2427,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2428,"name":"Automatic Control Valves","slug":"automatic-control-valves","term_group":0,"term_taxonomy_id":2428,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2435,"name":"Float Control Valve","slug":"float-control-valve","term_group":0,"term_taxonomy_id":2435,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2429,"name":"Pressure Reducing Valve","slug":"pressure-reducing-valve","term_group":0,"term_taxonomy_id":2429,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":1880,"name":"Pressure Reducing Valve Wikipedia","slug":"pressure-reducing-valve-wikipedia","term_group":0,"term_taxonomy_id":1880,"taxonomy":"post_tag","description":"\r\n<\/figure>\n\n\n\nPrincipe des vannes de r\u00e9gulation automatique pour un fonctionnement modulant<\/h3>\n\n\n\n
Ouverture de la vanne<\/h4>\n\n\n\n
Modulation de la vanne<\/h4>\n\n\n\n
Fermeture de la vanne<\/h4>\n\n\n\n
Composants d'une vanne de r\u00e9gulation automatique<\/h2>\n\n\n
<\/figure>\n<\/div>\n\n\nApplications des vannes de r\u00e9gulation automatique<\/h2>\n\n\n\n
Types de vannes de r\u00e9gulation automatique<\/h2>\n\n\n\n
Vannes de r\u00e9duction de pression<\/a><\/mark><\/strong><\/h3>\n\n\n
Soupapes de d\u00e9charge de pression<\/a><\/strong><\/h3>\n\n\n
Vannes de contr\u00f4le d'altitude<\/a><\/strong><\/h3>\n\n\n
Vannes de commande \u00e0 flotteur \u00e0 distance<\/a><\/strong><\/h3>\n\n\n
Vannes anti-surtension<\/a><\/strong><\/h3>\n\n\n
\u00c9lectrovannes de commande<\/h3>\n\n\n
Vannes de contr\u00f4le de d\u00e9bit<\/a><\/strong><\/h3>\n\n\n
Avantages des vannes de r\u00e9gulation automatique<\/h2>\n\n\n\n
Balises associ\u00e9es :<\/h2>\n\n\n\n\n
What is a Pressure Reducing Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA pressure-reducing valve is a self-operating valve that is used to reduce any excess pressure in a system. Sometimes this valve is also known as pressure reducing regulator.\r\n\r\n\r\n\r\n\r\n\r\nGET PRESSURE REDUCING VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Components of a Pressure Reducing Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe pressure reducing valve incorporates a multitude of elements to assist with optimal function.\r\n\r\n\r\n\r\n\r\n
Valve body<\/h3>\r\n\r\n\r\n\r\n\r\nThe valve body has an internal V port throttling plug that provides an accurate and stable response for flow and pressure regulation while simultaneously reducing noise and vibration. The V port throttling plug also enables the valve to operate close to zero without hunting.\r\n\r\n\r\n\r\n\r\n
Pilot regulator<\/h3>\r\n\r\n\r\n\r\n\r\nOften referred to as the brain of the valve, the Bermad two-way balanced pilot regulator determines the flow of water to and from the control chamber. This coincides with the needle valve to help regulate the flow and maintain a consistent pressure.\r\n\r\n\r\n\r\n\r\n
Large control filter<\/h3>\r\n\r\n\r\n\r\n\r\nFor the valve to work with minimum maintenance and fault-free operation, it\u2019s critical to filter the water entering the pilot regulator. The larger filter increases reliability of the control valve system and time between maintenance, while minimising faulty operation and maintenance upkeep.\r\n\r\n\r\n\r\n\r\n
How does a Pressure Reducing Valve work?<\/h2>\r\n\r\n\r\n\r\n\r\nA pressure reducing valve is a valve which takes a high inlet pressure and reduces it to a lower outlet pressure. When it does this under both flow and no-flow conditions, the type of control is known as \u2018drop tight\u2019. Reliance\u2019s pressure reducing valves use a balanced spring and diaphragm to control the downstream pressure. This \u2018drop tight\u2019 feature is one of the most important criteria for any pressure reducing valves, as this stops the pressure from \u2018creeping\u2019 \u2013 a term which is used when an increase in the downstream pressure occurs under no flow conditions. A valve which will allow this \u2018creep\u2019 cannot be known as \u2018drop tight\u2019 or in fact a true pressure reducing valve, as it will eventually allow the pressure to creep up to equal the upstream pressure, which can cause significant problems and essentially negates the point of using a pressure reducing valve in the first place.\r\n\r\n\r\n\r\n\r\n\r\nThe diaphragm effectively separates all of the water contact parts and the pressure from the water supply away from the control spring and associated mechanism. The body is then protected from debris by the use of a stainless-steel strainer.\r\n\r\n\r\n\r\n\r\n\r\nUnder no flow conditions the downstream pressure puts back-pressure on the seat and diaphragm of the valve, which in turn overcomes the spring pressure. This means the seat moves up, forcing it to seal against the diaphragm, therefore not allowing the downstream pressure to increase.\r\n\r\n\r\n\r\n\r\n\r\nUnder flow conditions the back pressure against the seat is reduced thus allowing the seat to open and water to flow through the valve.\r\n\r\n\r\n\r\n\r\n
Features of Pressure Reducing Valves<\/h2>\r\n\r\n\r\n\r\n
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What is a Pressure Safety Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA safety valve is a device that serves as a last line of defense in numerous situations. It is critical to guarantee that the safety valve can function at all times and under all conditions. A safety valve is not a process valve or a pressure regulator, and it should never be used in that capacity. It should only be used for one thing: overpressure protection. The Safety Valve's purpose is to safeguard people and property in the event of a failure to manage system pressures, i.e., it is the final line of defense before ultimate failure.\r\n\r\n\r\n\r\n\r\n\r\nGET PRESSURE SAFETY VALVE MARKET INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Types of Pressure Safety Valve<\/h2>\r\n\r\n\r\n\r\n
Spring Operated Valve<\/h3>\r\n\r\n\r\n\r\n\r\nThe spring-operated valve is an automatic closing device that maintains a constant supply of fluid in the event of pressure fluctuations. Spring-operated valves are commonly used for noncritical or low-pressure applications such as pressurizing boilers, controlling domestic hot water heating systems, and maintaining proper airflow in aircraft engines.\r\n\r\n\r\n\r\n\r\n
Pilot Operated Valve<\/h3>\r\n\r\n\r\n\r\n\r\nA pressure relief valve is a safety device that relieves excessive internal or external pressure by opening an electric solenoid-operated spool. Pilot Operated Valves are typically used to control the downstream flow of fluids, such as water and oil. These valves work on the principle of throttling back upstream fluid pressures, but they also can be used to control downstream flow.\r\n\r\n\r\n\r\n\r\n\r\nPilot-operated valves are typically used in industries such as water supply systems and oil refineries because these types of facilities tend not to have high downstream pressure.\r\n\r\n\r\n\r\n\r\n\r\nOn the basis of the End Users \/ Applications, the Pressure Safety Valve Market is segmented into:\r\n\r\n\r\n\r\n\r\n
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What is a Pressure Reducing Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Pressure Reducing Valve is a self-operating valve used to control excess pressure to give a constant reduced pressure to a system. The pressure reduction regulator is another name for this valve. The primary function of pressure-reducing valves is to convert increased incoming pressure into lower outgoing pressure. They are widely utilized in the water, steam, and oil and gas sectors. So, Pressure Reducing Valve manufacturers define the valve as a self-acting automated control valve that reduces a greater uncontrolled intake pressure to a constant, lowered output pressure independent of upstream water pressure variations. We will learn about the working, different types, uses, and benefits of pressure-reducing valves in this article.\r\n\r\n\r\n\r\n\r\n
How does a Pressure Reducing Valve work?<\/h2>\r\n\r\n\r\n\r\n\r\nWhen it does this under both flow and no-flow conditions, the type of control is known as \u2018drop tight\u2019. ZECO pressure reducing valves use a balanced spring and diaphragm to control the downstream pressure. This \u2018drop tight\u2019 feature is one of the most important criteria for any pressure reducing valves, as this stops the pressure from \u2018creeping\u2019 \u2013 a term which is used when an increase in the downstream pressure occurs under no flow conditions. A valve which will allow this \u2018creep\u2019 cannot be known as \u2018drop tight\u2019 or in fact a true pressure reducing valve, as it will eventually allow the pressure to creep up to equal the upstream pressure, which can cause significant problems and essentially negates the point of using a pressure reducing valve in the first place.\r\n\r\n\r\n\r\n\r\n\r\nThe diaphragm effectively separates all of the water contact parts and the pressure from the water supply away from the control spring and associated mechanism. The body is then protected from debris by the use of a stainless-steel strainer.\r\n\r\n\r\n\r\n\r\n\r\nUnder no flow conditions the downstream pressure puts back-pressure on the seat and diaphragm of the valve, which in turn overcomes the spring pressure. This means the seat moves up, forcing it to seal against the diaphragm, therefore not allowing the downstream pressure to increase.\r\n\r\n\r\n\r\n\r\n\r\nUnder flow conditions the back pressure against the seat is reduced thus allowing the seat to open and water to flow through the valve.\r\n\r\n\r\n\r\n\r\n
Advantages of Pressure Reducing Valves<\/h2>\r\n\r\n\r\n\r\n
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Where is Oertli Lane?<\/h2>\r\n\r\n\r\n\r\n\r\nOertli Ln, Austin, TX 78753 USA. Many of the houses in this place were built in 1970, so the valves used are also quite old.\r\n\r\n\r\n\r\n\r\n
The Valves Used in Oertli Lane<\/h2>\r\n\r\n\r\n\r\n\r\nUsually similar to the OERTLI LANE villa area with valves are mainly water valves, common water valves are brass ball valves, brass gate valves, resilient seated gate valves, pressure reducing valves, etc.\r\n\r\n\r\n\r\n\r\n
What is a Brass Ball Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nThe brass ball valve is a manually operated full port valve, which is used to control water to small open-head extinguishing systems or in the trim on water flow alarm valves, dry pipe valves, or automatic water control valves.\r\n\r\n\r\n\r\n\r\n
What is a Brass Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nBSP Threaded Brass Gate Valve. Brass body with a metal seat and PTFE gland. 0-16 BAR pressure range with media temperatures from -20\u00b0C to 120\u00b0C. Great for a wide range of gases and liquids.\r\n\r\n\r\n\r\n\r\n
What is a Resilient Seated Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nResilient seat gate valves are gate valves with an elastomer-lined wedge. They are specially used for wastewater, drinking water supply, and irrigation.\r\n\r\n","parent":0,"count":5,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2368,"label":"Control Valve"}],"post_tag":[{"value":2432,"label":"Altitude Control Valve"},{"value":2433,"label":"Altitude Control Valves"},{"value":2427,"label":"Automatic Control Valve"},{"value":2428,"label":"Automatic Control Valves"},{"value":2435,"label":"Float Control Valve"},{"value":2429,"label":"Pressure Reducing Valve"},{"value":1880,"label":"Pressure Reducing Valve Wikipedia"},{"value":2430,"label":"Pressure Reducing Valves"},{"value":2394,"label":"pressure relief valve"},{"value":2431,"label":"Pressure Relief Valves"},{"value":3208,"label":"Pressure Safety Valve Market"},{"value":2651,"label":"Shanghai Pressure Reducing Valve Factory"},{"value":2436,"label":"Surge Anticipating Valve"},{"value":2690,"label":"Valves used in Oertli Lane"}]},"yoast_head":"\n