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
7209320 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...
7209285
7209291
7209295
7209298
7209305
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...
7209273
7209279
7209282
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...
1347046
1347047
1347048
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...
1347049
1347050
1347051
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...
7209336
7209349
9171943
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,...
486182
486205
486209
486211
486215
486221
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...
486148
486158
486160
486164
486170
486233
486237
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...
2842727 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...
2842749 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...
2842733 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...
2820828 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...
2842755 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...
2842711 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...
4325072
4325117
4325123
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...
2372470 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...
2372442 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...
2372492 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...
2372486 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...
2372458 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...
2140598
2140611
2140649
2140655
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
2140627 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...
2140605 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...
3403294
3403301
3403317
3403323
3403339
3403345
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...
728893 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...
807312 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 =...
2838295
2838302
2838318
2838324
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...
727840
727856
727862
727878
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...
4586788
4586794
4586801
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...
728887 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...
754987 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
4992622
4992638
4992650
4992666
4992672
4992688
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 -...
1347030
1347031
1347032
1347034
1347036
1347044
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...
1347037
1347038
1347039
1347040
1347042
1347043
1347045
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...
7948388
7948394
7948397
7948404
7948410
7948413
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...
3656707
3664657
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...
3244966 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...
3244944 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...
3244972 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...
3244950 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...
5103766 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 =...
5103744 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 =...
5103750 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 =...
5103722 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 =...
5103738 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 =...
5103788 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 =...
9171934 The 316 stainless steel sprung disc check valve is suitable for ANSI and EN flanges. Body Material = Stainless Steel Thread Size = 3/4in
7948353 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...
7948350
7948356
7948362
7948366
7948375
7948378
7948381
7948384
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...
3656678
3656684
3656690
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...
8968355 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...
1385656
1385657
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).
3679441 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.