Check valves

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Check valves | How to choose the right check valve
The check valve allows fluid to flow in one direction only, blocking its passage in the opposite direction. Fluid backflow can damage circuits, especially hydraulic circuits. These valves can also prevent liquid or steam leaks if there are faults in the pipe structure. They are also installed in sewage pipes to prevent backflow and the passage of bad smells. Check valves can be found in hydraulic pumps and motors, ventilation systems, pump pipes, hydraulic and pneumatic...
piston check valve
piston check valve
UC series

Pressure: 0 bar - 670 bar

... 10,000psi(670bar) The Alco Valves Non Return Valve is designed for higher flow and low pressure drop across the valve - having a larger through bore than most other manufacturers equivalent ...

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Alco
pressure gauge check valve
pressure gauge check valve

Pressure: 0 mbar - 600 mbar
Temperature: 20 °C

... Operating: the manual pressure gauge valve enables, by pushing the button, to check the existing pressure when testing the system. By releasing the button, the valve automatically closes; the manual pressure ...

ball check valve
ball check valve

... completes its product range by the full range of ball valves and non-return valves employed where fluid flows in one direction and has to be kept under pressure. Our non-return valves and ball valves ...

water check valve
water check valve
CV5203-C

DN: 0.5 in - 4 in
Pressure: 145 psi
Temperature: -20 °C - 100 °C

... Clamp, Spring Return Dimensions to ISO2852, DIN32676 ...

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Taloar
sanitary check valve
sanitary check valve
VR series

DN: 15 mm - 80 mm
Pressure: 1 bar - 6 bar
Temperature: 0 °C - 50 °C

... These check valves are suitable for vertical or horizontal installation, fully drainable in both execution. Butt weld connections extended for orbital welding • Connections according to other norms • Stainless steel ...

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AERRE INOX Srl
membrane check valve
membrane check valve
C313

DN: 5 mm
Pressure: 300 bar - 400 bar

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IMF
ball check valve
ball check valve
B6095

DN: 0.5 in - 2 in

... Piece, Standard Port, Threaded One-Way Bronze Ball Valves w/Integral Check feature a cam lock smart ball check valve insert manufactured from polymer materials, NBR rubber and stainless ...

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Watts Water Technologies
cartridge check valve
cartridge check valve
49.0xx.x26

DN: 0.25 in
Pressure: 0 bar - 10 bar
Temperature: 5 °C - 90 °C

... Pressure fluctuations in a water distribution circuit can cause a reversal of the flow direction. In this case a check valves, installed between the water distribution system and the mains water supply, closes automatically ...

female-female check valve
female-female check valve
C2.940-2 series

DN: 6, 8, 12 mm
Pressure: 350, 500 bar
Temperature: -40 °C - 120 °C

... C2.940 Flow control valves C2.940 Flow control valves max. operating pressure 500 bar ports: G 1/4 ...

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Römheld GmbH Friedrichshütte
membrane check valve
membrane check valve
MS

DN: 1.813 in - 7.063 in
Pressure: 3,000 psi - 20,000 psi
Temperature: 121 °C

... Cameron designs and manufactures various types of API Spec 6A valves suitable for the demanding environments of onshore and offshore drilling and production, including large-bore completions pressure and temperature extremes ...

piston check valve
piston check valve
104

... control valves These valves are designed to regulate the cylinder piston speed Check valves Full flow in one direction flow blocked in the opposite direction Pilot-operated check ...

cartridge check valve
cartridge check valve
D08

Pressure: 0 psi - 3,000 psi

... trade; D08 MODULAR STACK VALVES Check, Flow Control, Cross Port Relief, Pressure Reducing/Relieving, Counterbalance Valves & Pressure Compensator Description Modular stack valves ...

cartridge check valve
cartridge check valve

Pressure: 350 bar

... The cartridge valves are equipped with covers and poppet or spool cartridges. These components are fitted to comply with ISO cartridge standards and guarantee hydraulic piloting. Depending on the covers of the model used for specific ...

disc check valve
disc check valve
335

DN: 15 mm - 250 mm
Pressure: 23.8 bar - 40 bar
Temperature: -10 °C - 400 °C

... Check valves, Check valves streamlined flow type, Check valves streamlined flow type on carbon steel PN 40 - ANSI 150 (1.0619) Streamlined flow check ...

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Mival
ball check valve
ball check valve
S4

DN: 10 mm - 80 mm
Pressure: 16, 6, 10 bar
Temperature: 0 °C - 80 °C

... Modular series concept Flaoting cone design Seal materials - EPDM, FPM Connections - flange, PE fusion socket, PE fusion spigot, solvent socket, solvent spigot, threaded socket Approvals - Declaration of Conformity acc. to Annex VII of the Directive ...

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Praher Plastics Austria GmbH
ball check valve
ball check valve
9580

DN: 0.375 in
Pressure: 10,000 psi

... Application: Permits flow of hydraulic oil in one direction only. Operation: Installs right in hydraulic line. ...

ball check valve
ball check valve
NRV series

DN: 15 mm - 50 mm
Pressure: 0 bar - 5 bar
Temperature: -20 °C - 80 °C

... * Robust Design * Small in Size * Universal Fitting position Housing made out of Brass and strainer made out of Stainless Steel Wire mesh (Max. Mesh Size 100 micron) FLUIDS : Natural Gas, LPG, Town Gas, Oxygen, Air, Other gases on request(Except Acetylene APPLICATION ...

swing check valve
swing check valve

DN: 0.5 in - 24 in

... steel check valves with ANSI 800, 1500, sizes ½” to 2” of bolted bonnet. Second, the ductile iron swing check valves, available in sizes from DN 50 to DN 1200, have a pressure of PN 10 ...

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FAMAT
swing check valve
swing check valve
S-413-LF series

DN: 0.5 in - 2 in
Pressure: 13.8 bar

... The swing check valve prevents backflow by automatically closing when fluid reverses direction. The check valve features a Y-pattern design with renewable seat and disc, and solder end ...

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NIBCO
disc check valve
disc check valve
AW

DN: 50 mm - 800 mm
Pressure: 10, 16 bar

... Straight-seat check valve with internal shaft and optional lever and weight. Highly cost-efficient due to high opening degree. Available with stainless-steel wire guard and limit signal for the open position as options. ...

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VAG-Group
disc check valve
disc check valve
F607

DN: 50 mm - 600 mm
Temperature: 345 °C

... The F607 is a check valve specifically designed for severe service in alumina and mining applications where scale and erosion are present Designed and engineered specifically for the mining and mineral proccessing ...

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Pentair Valves & Controls
piston check valve
piston check valve

DN: 50 mm - 150 mm
Pressure: 40 bar - 160 bar

... DN 50 - 150 PN 16 - 40 Body: EN-JS1050 Coating: Epoxy For throttling and regulation in water treatment and distribution installations as well as hydroelectric power plants. Slotted bush with optimum flow behaviour for harmless energy conversion Excellently ...

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ERHARD
shuttle check valve
shuttle check valve
OR series

DN: 4, 5.5, 3.2 mm
Pressure: -0.9 bar - 10 bar
Temperature: -10 °C - 70 °C

... Medium Filtered, oil-free and dried compressed air according to ISO 8573-1:2010, Class 7:2:4, instrument air, free of aggressive additives. Alternatively the pressure dew point must be at least 10°C below lowest occurring ambient temperature. Materials Body: ...

ball check valve
ball check valve

DN: 0.375 in - 1 in

... DUC40 Dual Check Valve, Wye Pattern Bronze Body, Inline Testable Options; NPS, Swivel, Meter Thread Connections. 3/8" - 1" ...

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Conbraco Industries
ball check valve
ball check valve
RV series

DN: 80, 46, 60, 32 mm
Pressure: 300 bar - 3,200 bar
Flow rate: 0 l/min - 1,000 l/min

... Check valves prevent a reversal of the specified direction of flow and thus a backflow of the delivery medium to be pumped. Special features: VA version, compact design. Throttle check valve ...

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