Metal check valves

Pressure: 4,200 bar

Check valves only allow one direction of flow. A back flow in the opposite direction is prevented.

DN: 0.125 in - 3 in
Pressure: 1,000 bar

... The check valves are available for inert/flammable gases and for oxygen and come complete with the seals suitable for the relevant medium. All check valves comply with ...

DN: 3, 4, 5, 6 mm
Pressure: 0 bar - 250 bar
Temperature: -40 °C - 200 °C

WEH® Check Valve TVR200-S1 stainless steel, 0 - 250 bar - Product family The WEH® TVR200 Check valves made of stainless steel are ideal for applications ...

DN: 2.7 mm - 14.3 mm
Pressure: 1,550 bar
Temperature: -20 °C - 350 °C

The MAXIMATOR ball check valves can be used even with high temperatures. Their shut off liquids and gases up to a maximum pressure of 1,500 bar. All valves have collars and glands. The ...

Pressure: 4,500 bar
Temperature: -20 °C - 200 °C

... O-Ring check valves are capable of shutting off directional flows of gases and fluids. They are incorporated with a leakage-resistant sealing feature. The O-Ring and Ball Check Valves ...

Pressure: 4,500 bar
Temperature: -50 °C - 350 °C

These Maximator Ball check valves can shut off directional flows of fluids and gases with maximum working pressure of 4,500 bar and in - 50°C to +350°C operating thermal range. These valves ...

DN: 0.062, 0.125 in
Pressure: 0 psi - 75 psi

Check valves will prevent flow in one direction and facilitate flow in the opposite direction. Check valves are sometimes called non-return valves. Normally ...

DN: 6, 12, 10 mm
Pressure: 206 bar
Temperature: -20 °C - 190 °C

NO RETURN VALVE FOR TWIN FERRULE FITTING - STAINLESS STEEL 316 Inox 316

DN: 8 mm - 100 mm
Pressure: 63 bar
Temperature: 0 °C - 180 °C

SPRING LOADED 3 PIECES CHECK VALVE - FEMALE / FEMALE BSP OR NPT - STAINLESS STEEL 316

DN: 25 mm - 104 mm
Pressure: 10 bar
Temperature: -20 °C - 130 °C

CHECK VALVE PLAIN ENDS - EPDM GASKETS - STAINLESS STEEL 316L Inox 316L

DN: 2 in - 24 in

... maintenance services. Athena manufactures valves from genuine guaranteed raw material with material test certificates, hydraulic test certificates, MTC 3.1available with all supply. Also, we can provide valves ...

DN: 2 in - 60 in
Pressure: 16 bar - 420 bar
Temperature: -29 °C - 425 °C

... stress and maximizing service life. - The valve is designed with two discs hinged at their sides like a door, eliminating the effect of gravity. Consequently, very little energy is needed to open the valve ...

DN: 2 in - 36 in
Temperature: -54 °C - 350 °C

... and ASME B16.34. Athena manufactures valves from genuine guaranteed raw material with material test certificate, hydraulic test certificates, MiTC 3.1 available with all supply. Also, we can provide valves ...

DN: 0.125 in - 2 in
Pressure: 2 bar - 10 bar
Temperature: -10 °C - 60 °C

Series of uni-directional valves from brass hexagonal bar, female threaded. In line mounting they allow the compressed air to flow in one direction only; therefore, they are useful in those applications where no return ...

DN: 2 in - 12 in
Pressure: 0 bar - 20 bar
Temperature: -15 °C - 80 °C

Model CHF, The Silent Check Valve plays an important role on piping, especially applied on the outlet of the pump. The silent check valve applied should be carefully ...

DN: 0.125, 0.5, 0.25 in
Pressure: 0 bar - 10 bar
Temperature: -10 °C - 70 °C

... unidirectional connection, non-return valves, slide valve, quick exhaust valve Flow regulators 041, 042, 043 Unidirectional flow regulator (block shaped) Valves in ...

DN: 4, 12, 6, 8, 10 mm
Pressure: 2 bar - 10 bar
Temperature: -10 °C - 70 °C

... unidirectional connection, non-return valves, slide valve, quick exhaust valve Flow regulators 041, 042, 043 Unidirectional flow regulator (block shaped) Valves in ...

DN: 4, 12, 6, 8, 10 mm
Pressure: 2 bar - 10 bar
Temperature: -10 °C - 70 °C

... unidirectional connection, non-return valves, slide valve, quick exhaust valve Flow regulators 041, 042, 043 Unidirectional flow regulator (block shaped) Valves in ...

DN: 13 mm
Pressure: 40 bar
Temperature: 450 °C

... the ladle purging plug a check valve could be installed in the supply piping. The check valve maintains the immediate pressure at the plug in case the supply line discharges. The ...

DN: 25 mm - 1,200 mm
Pressure: 2.5 bar - 100 bar
Temperature: -10 °C - 150 °C

Di Nicola manufactures Swing check valves in carbon steel ASTM 216 WCB / GP 240GH + N and stainless steel with high nickel content alloys for conditions of extreme corrosion from over ...

DN: 50 mm - 250 mm
Pressure: 10, 16 bar
Temperature: -10 °C - 150 °C

Di Nicola manufactures non return valve type swing check , Venturi , double swing , Clasar type , ball type , butterfly type in ductile iron and high nickel content alloys for extreme ...

DN: 50 mm - 1,200 mm
Pressure: 10, 16 bar
Temperature: -30 °C - 200 °C

Di Nicola manufactures non return valve type swing check , Venturi , double swing , Clasar type , ball type , butterfly type in ductile iron and high nickel content alloys for extreme ...

DN: 0.25 in - 2 in
Pressure: 0 bar - 21 bar
Temperature: 0 °C - 220 °C

The RT25 all stainless steel disc check valves have a compact design and were specially designed for use with steam and hot condensate. MATERIAL: Stainless steel SIZES: 1/4” ...

DN: 15 mm - 100 mm
Pressure: 40, 33.7, 31.8, 29.7 bar
Temperature: 100, 200, 250, 300 °C

The RD40 disc check valves have a compact design and are specially designed for use with steam and hot condensate. RD40 DN 125 - 200/MATERIAL: Stainless steel RD40 SIZES: 1/2” ...

DN: 0.5 in - 4 in
Pressure: 0 bar - 10 bar
Temperature: -10 °C - 200 °C

The ADCAPure SRT10 all stainless steel disc check valve has a compact design and is specially designed for use with clean steam, hot condensate, WFI and other process fluids. These valves ...

DN: 0.02, 1 dm
Pressure: 1.5 bar
Temperature: -20 °C - 60 °C

The angle check anti-siphon valve is an essential safety accessory designed to prevent the siphoning of liquids from an aboveground tank. Constructed from stainless steel, this valve ...

DN: 2.5, 2, 1.5 in
Temperature: -20 °C - 60 °C

... Model 62 Angle check valve is designed to prevent the drainage of fuel (loss of prime) in the suction line and permits its flow only towards dispenser. This valve is installed on the ...

DN: 2 in
Temperature: -20 °C - 60 °C

The STAINLESS STEEL ANGLE CHECK VALVE RIDART is designed to prevent the drainage of fuel (loss of prime) in the suction line and permits the product flowing only towards a dispenser. The ...

DN: 300 mm
Pressure: 0 Pa - 1,600,000 Pa
Temperature: -10 °C - 80 °C

ART. 170 Cast iron (GJL 250) PN 16 horizontal swing check valve brass-rubber trim. Made in Italy. Fields of application: Industrial plants - Sewage Water - Water treatment - Air-conditioning systems ...

DN: 40 mm - 300 mm
Pressure: 16 bar
Temperature: -10 °C - 80 °C

Cast iron (GJL 250) PN 16 horizontal swing check valve brass-rubber trim lever and counterweight. Made in Italy. Fields of application: Industrial plants - Sewage Water - Water treatment - Air-conditioning ...

DN: 40 mm - 300 mm
Pressure: 16 bar
Temperature: 120 °C

Cast iron (GJL 250) PN 16 horizontal swing check valve bronze-bronze trim lever and counterweight; high temperature. Made in Italy. Fields of application: Industrial plants - Sewage Water - Sea Water ...

DN: 6 mm - 8 mm
Pressure: 0 bar - 1,000 bar
Temperature: -50 °C - 85 °C

Available in two different nominal sizes, this check valve protects upstream equipment from possible damage caused by back pressure and prevents contamination. Thanks to its compact and space-saving ...

Pressure: 700 bar

Manually operated check valve. Used to hold load with single or double acting cylinder. Manually opened to allow oil to flow back to oil reserve when cylinder retracts.

Pressure: -100,000 Pa - 700,000 Pa
Temperature: 0 °C - 60 °C

Minimize the pressure drop of other circuit when a workpiece falls down. Fall prevention valve prevents the properly picked up work-piece from falling, even when several vacuum pads are without work-piece, causing ...

DN: 10, 12, 6, 8, 4 mm
Pressure: 0 MPa - 0.9 MPa
Temperature: 0 °C - 60 °C

Check Valve permits the air flow in one direction but checks the flow in the opposite direction, thus keeping the output pressure at a constant level. Usable in vacuum retention state ...

DN: 15 mm - 150 mm
Pressure: 10 bar

... Gluing, soldering connections with DIN or ANSI flanges Advantage • Resistant to corrosion • Exempt from maintenance • Metal free • Absolutely hermetic at low working pressures Application • Construction ...

DN: 50 mm - 600 mm
Pressure: 25 bar

CHECK VALVE The valve closes totally the pipe line when back flow occurs. The valve is complete with an hydraulic control circuit able to regulate operation’s speed ...

DN: 80 mm - 300 mm
Pressure: 1 bar - 16 bar

The valve closes totally the pipe line when back flow occurs. The valve is complete with an hydraulic control circuit able to regulate operation’s speed during closing, preventing surge. TYPICAL APPLICATIONS Pump ...

Pressure: 3 bar - 230 bar
Temperature: -30 °C - 80 °C
Flow rate: 14, 250 l/min

Holding Valve, double check valve up to 230 BAR, G1/4 OR Manifold type, HYDRAULIC and PNEUMATIC The valve consists of a one-piece housing and is therefore repeatedly ...

Pressure: 0 bar - 320 bar

Screw-In Valve up to 320 bar Miniature-Non Return Valve as Screw-In Valve from stainless steel for thread M6. – Suitable for high pressure areas – Simple mounting hole – ...

Pressure: 3 bar - 230 bar
Temperature: -30 °C - 80 °C
Flow rate: 14, 380 l/min

The valve is made of high-quality stainless steel and has a metallic seal. Available in different thread designs.