Flap valves

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 (HVAC) - Central ...

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 systems ...

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 - Aggressive fluids ...

DN: 10 mm - 100 mm
Pressure: 0.2 bar

... passing direction – reflux inhibitor Fluids • Neutral media free from solids and aggressive liquid or gaseous media if the valve components that contact the media are resistant to the service temperature according to ...

DN: 15 mm - 50 mm

• PVC materials, PP • EPDM gaskets, FPM • Gluing connections, soldering socket, threaded, DIN or ANSI flanges Advantage Low pressure loss and reliable chewing performance even with small differential pressure Chemical resistance ...

DN: 15 mm - 150 mm
Pressure: 10 bar

... prescribed direction of passage – reflux inhibitor Flow media • Neutral media and aggressive liquid or gaseous media if the valve components that contact the media are resistant to the service temperature according ...

Pressure: 10 bar
Temperature: -10 °C - 70 °C

... engraved on the body) and siopped in the reverse way. DATASHEET Recommended tubings: according to the fitting connected to the valve. Applicatron field: pneumatic installations fed with filtered. lubricated air.

Pressure: 2 bar - 10 bar
Temperature: -10 °C - 70 °C

It is used when two valves hâve to opéra te the same equipment. The signal, no matter from which of the two valves it cornes, is re-ceived by the shuttle valve and trasmitted to the device ...

DN: 250 mm - 500 mm
Pressure: 0.9 bar

... non-retainable is a space-saving, one-sided cover valve ideal for set up on the interiors of pipe works and have an ISO PN 10 flange in order to be attached to the perpendicular walls (grade 1.4401 (316). These flaps ...

DN: 200 mm - 600 mm
Pressure: 1 bar

Multi N is a pipe outlet flap valve consists of a system that can eradicate the back flow of water in case of sudden increase in its level. It works by opening its flap to flow in the ...

DN: 200 mm - 600 mm
Pressure: 1 bar

... a diagonal cover outlet valve ideal for restricted areas, supplied with an ISO PN 10 flange in order to be attached to the perpendicular walls (grade 1.4401 (316) or a basic flange (particular screws needed). These ...

DN: 80 mm - 200 mm
Pressure: 10, 16 bar
Temperature: 60 °C

... dimensions DN 80 and DN 200 with a nominal pressure of PN 10/16 or 25/40: the Dueker non-slam check valve type 8015, resilient-seated with a central valve disc. Designed for drinking and untreated water ...

DN: 0.375 in
Pressure: 200 bar
Flow rate: 0 l/min - 20 l/min

The PKV-06 valve, made of stainless steel W.St.1.4301, allows unrestricted flow from V to C ports and blocks flows in the opposite direction until pressure is applied on the pilot port. PKV-06 is used as a static load holder.

DN: 0.5 in
Pressure: 200 bar

Application PKV-30 is used as a static load holder. Specifications The PKV-30 valve, made of stainless steel W.St.1.4301, allows unrestricted flow from V to C ports and blocks flows in the opposite direction until pressure ...

Pressure: 0 psi - 4,500 psi

High flow, zero leak, low pressure drop check valve suitable for most fluid and gas applications. Fully guided poppet with free floating O-ring design is extremely tolerant of particulate contamination. A metal to metal ...

Pressure: 0 psi - 7,000 psi

Simple one piece design Working pressure up to 7000 psi

Pressure: 0 psi - 3,000 psi

... check valve. Available in 1/4 and 1/2 NPT in brass or 316 stainless steel. Suitable for working pressures to 3000 Psig. A wide selection of seal materials and crack pressures make the Series OPC a quality and cost effective ...

LENGTH OF INSTALLATION ACCORDING TO DIN 3202 F1 column. material specifications Shaped pieces: St 35 seconds DIN 1629 Part 3 (1.0308) Flange: R-St 37-2 according to DIN 17100 (1.0112) Coating: PTFE according to ASTM D 1457-78 ...

DN: 1 in - 20 in

Designed to prevent backflow, the M&J Valves Piston Controlled Check Valve is silent in operation and has no flapper to hammer against the seat. Features The patented "floating piston" rides up and ...

DN: 1 in - 20 in

The patented "floating piston" rides up and down in the cylinder with flow surges. As flow pressure is reduced, the piston softly settles on the seat to prevent backflow. Opening and closing actions are positively controlled to minimize ...

DN: 2 in - 36 in

This combined with M & J Valve's history of customer service, "after the sales" support and comprehensive quality assurance program ensures a product the highest standards. The swing check valve is produced ...

DN: 15 mm - 250 mm
Pressure: 10 bar
Temperature: -10 °C - 100 °C

housing, water distributions, protection of drinking water networks PRESSURE PFA/PS in bar θ 80° 2 drilled bosses 1/4” with POM (polyacetal) plugs GUIDING + CLOSING SYSTEM : POM or PPO (Polyphenylene oxyd) or PA SEAL : NBR or EPDM

DN: 0.25 in - 0.75 in
Pressure: 10 bar
Temperature: -10 °C - 80 °C

CASING : brass GUIDING + CLOSING SYSTEM : POM (polyacetal) SEAL : NBR (nitrile) or EPDM lip-ring SPRING : stainless steel

DN: 0.5, 0.75 in
Pressure: 10 bar
Temperature: -10 °C - 80 °C

housing, water distributions, industry PRESSURE PFA/PS in bar T°C 80° 1 downstream boss drilled 1/4” POM (polyacetal) plug GUIDING + CLOSING SYSTEM : POM (polyacetal) SEAL : NBR (nitrile) or EPDM lip-ring

DN: 19 mm - 65 mm
Pressure: 250, 315, 400 bar

... BSP cylindrical internal threads Sealing form 1 + 2 Shape A Construction straight Design Non-return valve, connector Material Steel Surface electro galvanised

DN: 0.75, 0.5, 0.375, 0.25 in
Pressure: 0 bar - 210 bar
Temperature: -20 °C - 100 °C

Media Mineral oil Note These valves must be set according to the application.

DN: 10 mm - 20 mm
Pressure: 250 bar

Flow direction: D2 -> D1, D3 closed; D3 -> D1, D2 closed

... 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 ...

... reliably protected from contamination by reflux prevention Improvement of residual drainage by pump attached to the outlet valve Suitable for all non-sticky, low-viscosity filling goods and also for sensitive ...

... pumping plants, it prevents the liquid from flowing back in case the pump is deactivated. The valve is closed by its own weight or by counter force. Check valves should be installed by paying attention ...

Pressure: 300 Pa
Temperature: -20 °C - 80 °C

Description Check valves are destined generally as a security system to avoid that the pressure in the hydraulic circuit can invert the fluid direction, generally oil. For more information on our check valves, ...

DN: 2 in - 36 in

This combined with M & J Valve's history of customer service, "after the sales" support and comprehensive quality assurance program ensures a product the highest standards. The swing check valve is produced ...

DN: 1 in - 20 in

The patented "floating piston" rides up and down in the cylinder with flow surges. As flow pressure is reduced, the piston softly settles on the seat to prevent backflow. Opening and closing actions are positively controlled to minimize ...

DN: 3 in - 18 in

Copes-Vulcan has supplied check valves to the nuclear industry since the early 1970s. It is designed to provide positive shutoff even at low differential pressures. Features: 3-18 inch, Class 150-1500+ Bolted ...

DN: 0.75 in
Pressure: 250 bar
Temperature: -54 °C - 204 °C

A screw-in，Cartridge-style，hydraulic check valve for blocking or load-holding device. Operation CV08-P0 allows flow from ① to ②, and blocks flow in the opposite direction. The cartridge has a fully guided poppet ...

Pressure: 250 bar
Temperature: -54 °C - 204 °C
Flow rate: 76 l/min

... changes. Positive stops prevent springs from going solid. Compact size. Adjustments cannot be backed out of the valve. Industry common cavity. Hardened poppet and cage for long life. Flow: ...

Pressure: 420 bar
Temperature: -54 °C - 204 °C
Flow rate: 160 l/min

... changes. Positive stops prevent springs from going solid. Compact size. Adjustments cannot be backed out of the valve. Industry common cavity. Hardened poppet and cage for long life. Flow: ...

DN: 10 mm - 100 mm
Pressure: 25 bar - 250 bar
Temperature: 350 °C

forged body (lifetime up to 60 years) – non-cobalt overlay Material stainless steel 08Ch18N10T, carbon steel 12 020.1 Connection butt welding ends Operating self-acting

DN: 15 mm - 200 mm
Pressure: 10 bar - 40 bar
Temperature: -50 °C - 400 °C

design of the body is straight sealing – check valve disc with spring – with spring, the valve can be mounted in position both horizontal and vertical – sealing surface is welded by hard facing (13Cr) ...

DN: 65 mm - 150 mm
Pressure: 160 bar - 400 bar
Temperature: -10 °C - 550 °C

high-pressure lift check valve – design of the body is straight sealing – check valve disc – sealing surface is welded by hard facing (13Cr) or Stellite 6 – complies with the requirements of the directive ...

DN: 0.5 in
Pressure: 210 bar
Temperature: -20 °C - 90 °C

Hyva Check Valve with a max. working pressure of 210 bar, Nominal flow of 35 L/min. This Check Valve is made from aluminium and the temperature range is -20 / + 90.

DN: 50, 80 mm
Pressure: 16 bar
Temperature: 0 °C - 100 °C

... resistant against aggressive water flange connection with sidewise drain valve, rotatable hose connection element G 3/4 with test port check valve with SST spring EPDM-seat gasket ...

DN: 15 mm - 50 mm
Pressure: 10 bar
Temperature: 0 °C - 90 °C

particularly suitable for hot water circulation systems due to very low opening pressure wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water male union thread ...

DN: 15 mm - 100 mm
Pressure: 40 bar
Temperature: 400 °C

•Process line, product pipes, way out of pumps, fluid machinery. •The check disc valve close for the spring action when reduce the line pressure, getting a mild closing and avoiding the fluid recession and the surge ...

DN: 0.5 in - 12 in
Pressure: 150 psi

SIZE: 1/2＂～2＂ JOINT END TYPE 1: SOCKET (ANSI /DIN / JIS/ CNS) JOINT END TYPE 2: THREADED (PT/NPT/BSPF) CHECK VALVE TYPE: BALL/HALF BALL WORKING PRESSURE: 150PSI

DN: 0.5 in - 2 in
Pressure: 150 psi

SIZE: 1/2＂～2＂ JOINT END TYPE 1: SOCKET (ANSI /DIN / JIS/ CNS) JOINT END TYPE 2: THREADED (PT/NPT/BSPF) CHECK VALVE TYPE: BALL/HALF BALL WORKING PRESSURE: 150PSI

DN: 0.5 in - 3 in
Pressure: 150 psi

SIZE: 1/2＂～3＂ JOINT END TYPE 1: SOCKET (ANSI /DIN / JIS/ CNS) JOINT END TYPE 2: THREADED (PT/NPT/BSPF) CHECK VALVE TYPE: BALL/HALF BALL WORKING PRESSURE: 150PSI

DN: 0.5 in - 12 in

API 6D Lift Check Valve Manufacturer: Lift Type Check Valves, BS 1868, API 6D, BS 5352, ISO 15761, 1/2-12 Inch, Class 150-2500 LB, BW, SW, Threaded End. Lift check valve, Piston type ...

DN: 1,000 mm
Pressure: 50 bar

40 Inch Swing Check Valve Manufacturer: ASTM A351 CF8 Swing Type Check Valves, 40 Inch, DN1000, Class 300 LB, PN50, API 6D, Flanged, API 598 Test. Valve Description Design Standard: ...

DN: 350 mm
Pressure: 250 bar

Cast Steel Swing Check Valve Maker: Cast Carbon, Stainless, Alloy Steel Swing Check Valves, ASTM A216 WCB, 14 Inch, Class 1500 LB, DN350, PN250. Valve Description Design Standard: ...

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.

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

The SRT10 all stainless steel disc check valve has a compact design and is specially designed for use with clean steam, hot condensate and other process fluid applications. They are particularly recommended for high purity ...