Swagelok® Check Valves
Swagelok inline check valves come in a range of adjustable and fixed cracking pressures to control back flow in general-service and high-purity applications. Excess flow valves stop the release of excess flow downstream, enhancing system integrity and safety.
Check valves are designed to allow fluids to flow in one direction only and are rated for use in medium- and high-pressure applications. The variety of designs available include spring, poppet, lift, and all-welded high-purity check valves for use in a range of situations.
XS series excess flow valves have a slotted poppet which moves to the tripped position when excess flow occurs downstream, then resets when pressure equalizes. They eliminate the need for a complex bypass mechanism while reducing maintenance time.
Categorías
Recambios y Accesorios
Browse deflector caps and a variety of poppet check valve maintenance accessories—including spring, seal and poppet replacement kits.
Válvulas Antirretorno Totalmente Soldadas de Alta Pureza Serie CW
The all-welded design of high-purity welded check valves provides reliable containment of system fluid while the 316L SS body offers enhanced material purity.
Válvulas Antirretorno de Polímero de Ultra Alta Pureza, Serie CHP
Swagelok tiene disponibles válvulas antirretorno de fluoropolímero serie CHP para las aplicaciones de ultra alta pureza.
Válvulas Antirretorno, Series C, CP, CH
Browse stainless steel and brass poppet check valves, available with a variety of end connections and adjustable or fixed cracking pressures.
Válvulas antirretorno para media presión, Serie CV
The medium-pressure check valves are designed for system pressure containment and fluid control to prevent backflow.
Válvulas antirretorno por gravedad, Serie 50
Rugged, all-stainless steel lift check valves limit reverse flow under pressures up to 6000 psig (413 bar) and temperatures up to 900°F (482°C).
Válvulas de Exceso de Caudal
Enhance system safety by preventing uncontrolled release of system media if downstream line ruptures with excess flow valves.
Check Valves Catalogs
Locate detailed product information, including materials of construction, pressure and temperature ratings, options, and accessories.
Presiones de servicio hasta 413 bar (6000 psig); Presiones de disparo ajustables y fijas; Variedad de conexiones finales; Materiales, acero inoxidable 316 y latón
Características: Construcción en acero inoxidable 316; Temperaturas hasta 537°C (1000°F); Tamaños de los accesorios de media presión (MP)—1/4 a 1 pulg., Presión de servicio—hasta 1378 bar (20.000 psig); Tamaños de los accesorios de alta presión (HP)—1/4 a 9/16 pulg., Presión de servicio—hasta 4134 bar (60.000 psig); Disponibles en cumplimiento de NACE® MR0175/ISO15156
El diseño totalmente soldado permite la retención fiable del fluido del sistema.; El inicio del caudal hacia adelante se da con un diferencial de presión inferior a 0,14 bar (2 psig).; La válvula cierra con una contrapresión inferior a 0,14 bar (2 psig).; El cuerpo de acero inox. 316L ofrece una mayor pureza del material.
Features: Alloy 625, alloy 825, and Alloy 2507 super duplex stainless steel materials; Available for CH4 adn Ch8 series check valves; Working pressures up to 6 000 psig (413 bar); 1/4 to 1/2 in. Swagelok tube fitting or NPT end connections; Fixed cracking pressures: 1 to 25 psi (0.07 to 1.8 bar)
Features: Modified PTFE wetted components meet SEMI Standard F57-0301 for ultrahigh-purity system components; Fine thread flare and Nippon Pillar® Super 300 end connections; Low cracking and reseal pressure
Las válvulas antirretorno por gravedad Swagelok®, limitan el caudal de retorno a presiones de hasta 413 bar (6000 psig) y a temperaturas de hasta 482°C (900°F).; caudal hacia adelante levanta el obturador y abre la válvula. El caudal invertido asienta el obturador contra el orificio y cierra la válvula.
Presiones de trabajo hasta 413 bar (6000 psig); Temperaturas hasta 204°C (400°F); Conexiones finales de 6 a 12 mm y de 1/8 a 1/2 pulgada ; Construcción en acero inoxidable
The Right Valve Can Make All the Difference
Use our valve flow coefficient (Cv) calculator to chose a valve sized correctly for your needs.
Use the ToolSwagelok Resources Curated for You
How to Select the Right Valves for Your Industrial Fluid System
Learn how to apply the practical STAMPED method to select the valves most suited to your industrial fluid or sampling system design applications.
Minimize the Costs of Fugitive Emissions with Low-E Valves
Fugitive emissions are a growing concern in the chemical and petroleum refining industry. Certified low-emissions (Low-E) valves can protect your facility and bottom line. Learn what they are, how they are tested, and how they can help you in this post.
How Shenyang Blower Works Group Improved Safety and Reliability
Learn how Swagelok Shanghai has helped Shenyang Blower Works Group Corporation achieve consistency, reliability, and cost savings for its customers while improving its own safety and production efficiency.
How to Improve Your Maintenance Program with Valve and Hose Tags
Read what two Swagelok specialists have to say about how a robust tagging system for hoses and valves throughout your industrial fluid systems can help you simplify maintenance and minimize system downtime.