Metal check valves

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: 38.1, 50.8, 63.5, 76.2 mm

Valves / Check Valves Ball Check Valves have a 316L stainless steel body with a curved offset ball trap. FEATURES Product flow ...

DN: 25.4 mm - 101.6 mm
Pressure: 1 psi - 5.9 psi

... OD provides tight closure while metal-to-metal contact between the disc and seat allows for long-lasting, durable operation. Machined from 316L stainless steel bar with all polished ...

DN: 0.375, 0.125, 0.5, 0.25 in
Pressure: 0.3 bar - 25 bar
Temperature: -10 °C - 120 °C

FEMALE-FEMALE NON RETURN VALVE The 66.000 serie is made of stainless steel AISI 316L function fittings: flow controls for cylineders, in-line and banjo fittings, unidirectional valve, ...

VI SERIES FLOW REVERSING VALVE The “VI” flow reversing valve is used as an accessory for side channel blowers to switch the flow from pressure to negative pressure and vice versa. The flow reversing ...

... interference between the selector and the valve body. This product is available with 24VDC or 110V/60 Hz and 220V 50/60hz electrical control or with pneumatic control (0.2 litres per cycle air consumption).The ‘VS’ valve ...

Pressure: 700 bar

Check valve, hydraulically pilot operated max. operating pressure 700 bar. Design: Housing made of steel, surface galvanized. Spring-loaded ball acting as a valve element. The ...

DN: 50 mm - 1,900 mm
Pressure: 16 bar - 420 bar

... performances, smaller installation space, lower weight and easier installation, dual plate check valves are widely used in the flow control industry. Athena dual plate ...

DN: 50 mm - 600 mm
Pressure: 100 bar - 420 bar

... Pressure seal Swing type check valve is generally used in high temperature, high pressure and medium flow rate and pressure is stable in the large diameter pipeline system. The valve ...

DN: 50 mm - 1,200 mm
Pressure: 16 bar - 420 bar

Axial Flow Check Valve body material: Carbon steel /Stainless steel / Alloy steel /Special ( Monel /Inconel /Hastelly etc.)alloy steel end connection: RF, BW, RTJ product overview: Athena Axial ...

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: 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 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: 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 ...

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: 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: 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 ...

DN: 2 mm - 16 mm
Pressure: 700 bar
Temperature: -40 °C - 80 °C

Our check valves are available as screw-in or case valve models. Both models are available with the screwing-in direction blocked or with the screwing-in direction open for flow. The ...

DN: 3 mm - 6 mm
Pressure: 700 bar
Temperature: -40 °C - 80 °C

... pilot-operated check valves are leak-proof check valves with which the flow direction from B to A is open and the flow direction from A to B is normally blocked. If a ...

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.

DN: 6 mm - 200 mm
Pressure: 16 bar
Temperature: -20 °C - 220 °C

The innovative springless check valve for clean applications. Maximum hygiene with no maintenance required. Tightness guaranteed in all installation positions, even vertical with downward flow. The ...

DN: 25 mm - 200 mm
Pressure: 16, 10, 40, 25 bar
Temperature: -40 °C - 220 °C

The innovative Wafer valve, specially designed for applications in vacuum, gas and water treatment industries. Maintenance-free. Tightness guaranteed in all installation positions, even vertical with downward flow. WAFER ...

DN: 15 mm - 100 mm
Pressure: 16 bar
Temperature: -40 °C - 150 °C

The high purity evolution of Ygros Unique hygienic design, finish and materials. This check valve is suitable for all installation positions. Ideal for fluids, steam and high viscosity products. A ...

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.

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: 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 ...

DN: 200 mm

The Anti-smell valve Stink-Shield® prevents awful stenches hailing from sewage and waste channels. It is available in DN 200, and is fitted for rainwater gullies, to suit into the end of elbow. The Stink-Shield® has ...