RS Components, Ltd. Datasheets for Check Valves

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. 
Check Valves: Learn more

Product Name Notes
A combined sight glass and check valve used to visually check the condition and leakage of steam traps. It can be installed horizontally or vertically (bottom to top), downstream of...
A compact stainless steel non return disc check valve designed for use with steam and hot condensate. These valves have a CE marking of PN25 / PN40. Connections are flanged...
A compact stainless steel non return disc check valve designed for use with steam and hot condensate. These valves have a CE marking of PN25. Connections are female screwed. Low...
A pilot operated sandwich design check valve from Parker Hannifin for use with CETOP 03 stackable hydraulic flow valves. The outlet flow is blocked while inlet flow is free. Pressure...
A pilot operated sandwich design check valve from Parker Hannifin for use with CETOP 05 stackable hydraulic flow valves. The outlet flow is blocked while inlet flow is free. Pressure...
A single window sight glass used to visually check the condition and leakage of steam traps. It is recommended that a sight glass be installed downstream of the steam trap,...
Application : Industry, pneumatics, hydraulic, plumbing installations. Operating Temperature : +0゚C / +90゚C . Operating pressure : PN12 1/2 to 1’’, PN10 1.1/4’’ to 2’’, PN8 2.1/2’’ to 4’’. Threads...
Application : Industry, pneumatics, hydraulic, plumbing installations. Operating Temperature : -20゚C / +100゚C . Operating pressure : see non-shock cold working pressure chart on data sheet. Threads : ISO 228...
BSI Kitemark approved.License no. KM-07296. Pressure rating 10.5 bar at 186°C, 25 bar at 100°C Type = Single Connection = 1 in BSPT Body Material = Bronze Maximum Working Pressure...
BSI Kitemark approved.License no. KM-07296. Pressure rating 10.5 bar at 186°C, 25 bar at 100°C Type = Single Connection = 1-1/2 in BSPT Body Material = Bronze Maximum Working Pressure...
BSI Kitemark approved.License no. KM-07296. Pressure rating 10.5 bar at 186°C, 25 bar at 100°C Type = Single Connection = 1-1/4 in BSPT Body Material = Bronze Maximum Working Pressure...
BSI Kitemark approved.License no. KM-07296. Pressure rating 10.5 bar at 186°C, 25 bar at 100°C Type = Single Connection = 1/2 in BSPT Body Material = Bronze Maximum Working Pressure...
BSI Kitemark approved.License no. KM-07296. Pressure rating 10.5 bar at 186°C, 25 bar at 100°C Type = Single Connection = 2 in BSPT Body Material = Bronze Maximum Working Pressure...
BSI Kitemark approved.License no. KM-07296. Pressure rating 10.5 bar at 186°C, 25 bar at 100°C Type = Single Connection = 3/4 in BSPT Body Material = Bronze Maximum Working Pressure...
Designed for uni-directional flow control of fluids and gases in process and instrumentation applications. Pressure rating: 6000 psig (414 bar). Body material: ASTM A276 Type 316. Spring material: 316 stainless...
Designed to allow flow in one direction and shut-off in the reverse direction. Nylon seals Connection Port Thread = G 1/2 Cracking Pressure = 0.35bar Maximum Flow Rate = 50L/min...
Designed to allow flow in one direction and shut-off in the reverse direction. Nylon seals Connection Port Thread = G 1/4 Cracking Pressure = 0.35bar Maximum Flow Rate = 20L/min...
Designed to allow flow in one direction and shut-off in the reverse direction. Nylon seals Connection Port Thread = G 1 Cracking Pressure = 0.35bar Maximum Flow Rate = 150L/min...
Designed to allow flow in one direction and shut-off in the reverse direction. Nylon seals Connection Port Thread = G 3/4 Cracking Pressure = 0.35bar Maximum Flow Rate = 100L/min...
Designed to allow flow in one direction and shut-off in the reverse direction. Nylon seals Connection Port Thread = G 3/8 Cracking Pressure = 0.35bar Maximum Flow Rate = 30L/min...
Double union ends with plain bore for solvent cement jointing. Vibration free even at high velocity. Type = Single Body Material = PVC-U Maximum Working Pressure = 16 bar
Double union ends with plain bore for solvent cement jointing. Vibration free even at high velocity. Type = Single Body Material = PVC-U Maximum Working Pressure = 16 bar Thread...
Double union ends with plain bore for solvent cement jointing. Vibration free even at high velocity. Type = Single Connection = 3/4 in Socket Body Material = PVC-U Maximum Working...
For heating, sanitary and compressed air systems, pumps and autoclaves. Body in hot forged DZR brass. Threading to BS2779. Hostaform inner valve. Spring in 18//8 AISI 302-304 stainless steel. Hydrostatic...
For vertical stacking assemblies to CETOP 3 size 6. Installed between the directional valve and subplate. Mounting pattern to DIN 24 340 form A6 CETOP Mounting = CETOP 3 Single/Double...
Integral nitrile rubber O ring within the adjustable swivel nut forms seal when used with standard fitting bodies with a 24° cone Manufacturer Series = RHZ18 Connection Port Thread =...
Manufactured from steel these non-return valves are seated metal to metal by means of spring loaded ball housed in an ABS plastic guide. Manufacturer Series = FT260 Connection Port Thread...
Non return check valves that can be used in various applications up to a pressure of 400 bar and have a cracking pressure of 1 bar. Manufactured from zinc plated...
Permits flow in one direction only. Body and shut-off valve in stainless steel 316L. Spring in stainless steel 302. ‘O’-rings fluorelastomer FKM (FPM). Maximum working pressure 40 bar. Temperature range...
Pilot operated check valves for use in vertical stacking assemblies with mounting pattern to CETOP 3, size 6. Poppet sealing ensures leak free closure of one or two ports, while...
Prevents contamination of water arising from back siphoning, backflow or cross connection. 15mm connection only Type = Double Body Material = POM Maximum Working Pressure = 12 bar
RS Pro Brand Screwed End Swing Check Valves that allow liquids to flow in only one direction. 1/2 - 3 Inch (DN15 - DN80). W.P: 200 WOG. W.T: -20°C -...
Sandwich design check valves from Parker Hannifin for use with CETOP 03 stackable hydraulic flow valves. Throttle check is available on port A or B and A + B configurations...
Sandwich design check valves from Parker Hannifin for use with CETOP 05 stackable hydraulic flow valves. Throttle check is available on port A or B and A + B configurations...
Single check valve protects against the risk of back flow and back syphonage contaminations. Compact lightweight construction for easy installation. Minimum pressure drop giving good flow rates. Ideal for all...
Spirax Sarco combined sight glass and check valve has been designed to observe discharges from steam traps. There is no need for a separate check valve as the condensate rises...
Stainless steel BSP in-line check valve. Metal to metal seal by means of a machined cone. BSP female thread forms Manufacturer Series = FT257 Connection Port Thread = BSP 1/2...
Stainless steel BSP in-line check valve. Metal to metal seal by means of a machined cone. BSP female thread forms Manufacturer Series = FT257 Connection Port Thread = BSP 1/4...
Stainless steel BSP in-line check valve. Metal to metal seal by means of a machined cone. BSP female thread forms Manufacturer Series = FT257 Connection Port Thread = BSP 3/4...
Stainless steel BSP in-line check valve. Metal to metal seal by means of a machined cone. BSP female thread forms Manufacturer Series = FT257 Connection Port Thread = BSP 3/8...
Suitable for steam, water and oil applications. Metal-to-metal seat. Pressure rating 9 bar at 180°C, 20 bar at 100°C Type = Single Connection = 1 in BSPT Body Material =...
Suitable for steam, water and oil applications. Metal-to-metal seat. Pressure rating 9 bar at 180°C, 20 bar at 100°C Type = Single Connection = 1-1/2 in BSPT Body Material =...
Suitable for steam, water and oil applications. Metal-to-metal seat. Pressure rating 9 bar at 180°C, 20 bar at 100°C Type = Single Connection = 1-1/4 in BSPT Body Material =...
Suitable for steam, water and oil applications. Metal-to-metal seat. Pressure rating 9 bar at 180°C, 20 bar at 100°C Type = Single Connection = 1/2 in BSPT Body Material =...
Suitable for steam, water and oil applications. Metal-to-metal seat. Pressure rating 9 bar at 180°C, 20 bar at 100°C Type = Single Connection = 2 in BSPT Body Material =...
Suitable for steam, water and oil applications. Metal-to-metal seat. Pressure rating 9 bar at 180°C, 20 bar at 100°C Type = Single Connection = 3/4 in BSPT Body Material =...
The 316 stainless steel sprung disc check valve is suitable for ANSI and EN flanges. Body Material = Stainless Steel Thread Size = 3/4in
The Filmaster® filling loop designed to allow sealed heating systems to be charged via a temporary mains supply connection. 1/8in. BSP test port on isolating double check valve. 15mm compression...
The Floguard range of double check valves is used for the prevention of back-flow and back-syphonage contamination risks in accordance with the water supply (water fittings) Regulations 1999. Manufactured from...
The LCV1 series bronze lift check valve by Spirax Sarco is designed to prevent reverse flow. Prevents reverse flow. Reduces water-hammer damage from hydraulic pressure surges. Installed in horizontal lines...
The Super Speedfit Acetal Single Check Valve by John Guest was designed at the request of leading companies in the drinks dispense industry. The fast installation time and low headloss...
This Sferaco check valve is anti-pollution to prevent reverse water flow. Constructed from brass that ensures strength and reliability. Featuring a male and female connection of ¾ Inch (10 mm).
Used to detect and inspect the flow of individual fluids, blocked valves or strainers or leakage of live steam through steam traps. Inspect colour. Identify vapour leakage. Detect blocked flow.