Flap valves

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disc check valve
disc check valve
VPN

DN: 25 mm - 100 mm

... The DELTA VPN check valve is used in places at which the reflux of liquids into the pipeline must be prevented. The valve opens through the pressure of the liquid against the spring-loaded valve disc. ...

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APV
piston check valve
piston check valve
789 series

DN: 6 mm - 12 mm
Pressure: 10 bar
Temperature: -5 °C - 60 °C

... Piloted non-return valves are designed to protect installations. When the compressed air supply is removed, the non-return valves will lock the air supply to the cylinder. As a resuit, the cylinder will maintain its position. ...

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Parker Legris
cartridge check valve
cartridge check valve
CV04-20

DN: 14.3 mm
Pressure: 241 bar
Temperature: -54 °C - 204 °C

... cartridge style, hydraulic check valve for use as a blocking or load-holding device. Operation The cartridge valve allows flow from port 1 to 2, while normally blocking flow in the opposite direction. The cartridge ...

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HYDRAFORCE
ball check valve
ball check valve
RD IR

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 ...

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HANSA FLEX AG
cartridge check valve
cartridge check valve
PRV

Temperature: -30 °C - 100 °C

... ARGUS PRV cartridge non return valves are designed for direct installation into device or machine housings. They enable a flow in one direction and block it in the opposite direction. They therefore belong to the group of check valves ...

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ALFAGOMMA
disc check valve
disc check valve
VU series

DN: 6.3 mm - 50 mm
Pressure: 17,000,000 Pa - 50,000,000 Pa
Temperature: -25 °C - 125 °C

... Connection by screwing together the two parts Disconnection by unscrewing the two parts Standard settings 35 KPa (5 PSI) ...

ball check valve
ball check valve
100210

DN: 0.25 in - 2 in

... Check valves These one-way valves are made with bronze and brass with a seal in NBR nitrile rubber or, upon request, in Viton®, only for series 10 ... 11. To ensure a practical assembly they are available in two versions: ...

membrane check valve
membrane check valve
100115

DN: 0.25, 0.375, 0.5, 1, 0.75 in

... Membrane check valves These valves have the same features of the previously described check valves, but they are made with anodised aluminium, which makes them particularly light. The seal is guaranteed ...

gas non-return valve
gas non-return valve
ULTRA 10

DN: 0.5 in
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 60 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve 100% tested. Benefits ...

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WITT-Gasetechnik
gas non-return valve
gas non-return valve
ULTRA 20

DN: 0.75, 1, 0.5 in
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 70 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve 100% tested. Benefits ...

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WITT-Gasetechnik
gas non-return valve
gas non-return valve
ULTRA 30

DN: 1.5 in
Pressure: 0 bar - 20 bar
Temperature: -20 °C - 70 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve 100% tested. Benefits ...

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WITT-Gasetechnik
membrane check valve
membrane check valve
CKV-.-..-.

DN: 0.88 mm - 1.01 mm
Pressure: 0 psi - 250 psi

... The CKV series check valve permits free flow in one direction and no flow (checked) in the opposite direction. This valve is specified in many applications because of its very low cracking pressure (typically less than ...

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Beswick Engineering Co, Inc.
membrane check valve
membrane check valve
CKV..-..-.

DN: 0.88 mm - 3.2 mm
Pressure: 0 psi - 250 psi

... This Ultra Miniature low cracking pressure check valve permits free flow in one direction and no flow (checked) in the opposite direction. This valve is specified in many applications because of its very low cracking ...

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Beswick Engineering Co, Inc.
duckbill check valve
duckbill check valve
CKV38-.-.-..

DN: 2, 0.125 mm
Pressure: 0 psi - 100 psi

... The CKV38 series check valve permits free flow in one direction and no (checked) flow in the opposite direction. The valve is specified in many applications because of its very low cracking pressure (typically less than ...

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Beswick Engineering Co, Inc.
ball check valve
ball check valve
6916-08

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 control connection is damped by a ...

NPT check valve
NPT check valve
CV series

DN: 0.25 in - 2 in
Pressure: 0 bar - 15.9 bar
Temperature: -18 °C - 93 °C

... high-quality Check  Valves are specially manufactured in the U.S.A. by ANVER, for ANVER lifting systems. Versatile, one-way Check Valves work with nearly all of ANVER’s vacuum applications where vacuum loss prevention ...

swing check valve
swing check valve
SISTO-RSKNA

DN: 25 mm - 300 mm
Temperature: -20 °C - 100 °C

... distances Valve hydraulics without dead volume ensure optimum conditions for high-purity fluids. Static sealing to atmosphere Pre-loaded valve disc and short travel to closure prevent pressure surges. Maintenance-free Soft ...

ball check valve
ball check valve
C1-189332

DN: 2.8 mm - 5 mm
Pressure: 2,500 bar - 4,200 bar
Temperature: 5 °C - 50 °C

... ultra-high pressure check valves perform this function reliably. The large effective nominal bore ensures high flow rates with low pressure drop. Installation is simplified by the integrated double-pressure screw: the check valve ...

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WEH GmbH Verbindungstechnik
ball check valve
ball check valve
C1-191932

DN: 3.18 mm
Pressure: 1 bar - 1,379 bar
Temperature: -18 °C - 204 °C

... Description
The WEH® medium pressure check valve reliably prevents backflow by allowing fluid to flow in one direction only. It is designed for use with MP fittings and is suitable for both gaseous and liquid media, with variants ...

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WEH GmbH Verbindungstechnik
ball check valve
ball check valve
WEH® TVR2

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 the European Pressure Equipment Directive PED 2014/68/EU. ...

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WEH GmbH Verbindungstechnik
wafer check valve
wafer check valve
CROV series

DN: 40 mm - 300 mm
Pressure: 6 bar
Temperature: 0 °C - 60 °C

... Wafer check valve in PVC-U/EPDM. The CR wafer check valve is designed to be installed directly between stubs and flanges in accordance with ISO/DIN standards. Technical features : - Installed with FIP QPV (d50 ...

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FIP - Formatura Iniezione Polimeri
swing check valve
swing check valve
FROAF series

DN: 32 mm - 400 mm
Pressure: 8, 10, 5 bar

... The FR type swing check valve is designed to be directly installed between stubs and flanges according to ISO/DIN or ANSI 150 standards. ...

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FIP - Formatura Iniezione Polimeri
swing check valve
swing check valve
FROAM series

DN: 32 mm - 400 mm
Pressure: 10, 8, 6, 5 bar

... The FR type swing check valve is designed to be directly installed between stubs and flanges according to ISO/DIN or ANSI 150 standards. ...

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FIP - Formatura Iniezione Polimeri
ball check valve
ball check valve
VRX series

Pressure: max 40.0 bar
Temperature: -20 °C - 180 °C

... Stainless steel AISI 316L non-return valves, are designed for harsh usage conditions. The driven shutter and the spring never compressed completely, guarantee very high intervention frequencies. ...

membrane check valve
membrane check valve
VRNR

Pressure: 2 bar - 8 bar
Temperature: -20 °C - 80 °C

... This valve allows the transit of the air only in one way, the valve stops it in the opposite way. They are available with male or female thread, in several dimensions. ...

disc check valve
disc check valve
YCV-1

DN: 0.25 in - 2 in
Pressure: 600 bar

... Body - SUS316 orSUS304 Cap - SUS316 or SUS304 Disc Bonnet - SUS316 or SUS304 Spring - SUP 3 Thrust Washer - SUS316 or SUS304 Boit - SUS304 Disc - Teflon Gasket - Teflon ...

swing check valve
swing check valve
SCV-1

DN: 0.5 in - 3 in
Pressure: 600 psi

... * Investment casting ASTM-A351 CF8M, Screwed Cap, Swing Type Disc, Intégral Seat. Body - CF8M Cap - CF8M Disc - CF8M Connecting Rod - CF8M Disc Nut - SUS316 Pin - SUS304 Boit Washer - Teflon Gasket - Teflon Boit - SUS304 ...

poppet check valve
poppet check valve
MCV series

Pressure: 21 bar
Temperature: 32 °F - 230 °F
Flow rate: 325, 180 l/min

... Check Valve, #10-32 Ports Notes Not intended for pressure relief. Arrow on valve body indicates direction of flow. Additional Information Air Flow 6.5 scfm @ 50 psig; 11.5 scfm @ 100 psig; 280 l/min @ 6 bar Force Cracks ...

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Clippard
piston check valve
piston check valve
MJCV series

DN: 0.125 in
Pressure: 1,000 psi
Temperature: 32 °F - 230 °F

... Multiple varieties of check valves permit flow in one direction only. Valve bodies provide in-line mounting, nitrile seals and stainless steel springs. 1/8" NPT inlet and outlets. 30 psig input pressure. ...

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Clippard
ball check valve
ball check valve
GCV series

DN: 0.25, 0.375 in
Pressure: 300 psi
Temperature: 32 °F - 230 °F

... Check Valves permit flow in one direction only. Each has bright-dipped brass bodies that provide in-line mounting, Nitrile seals and stainless steel springs as standard. Available in 1/8" NPT, G1/8, 3/8" NPT and G3/8 ports. ...

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Clippard
ball check valve
ball check valve
21OC series

DN: 2.7 mm - 14.3 mm
Pressure: 1,550 bar
Temperature: -20 °C - 200 °C

... The O-Ring check valves are suitable for applications that require non-leakage sealing. It can be operated within the pressure of 1, 500 bar and is used for stopping the directional liquid and gas flow. It functions within the temperature ...

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Maximator GmbH
poppet check valve
poppet check valve
21BC series

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 characteristic feature of MAXIMATOR ...

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Maximator GmbH
ball check valve
ball check valve
65OC series

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 are well suited for various types ...

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Maximator GmbH
hydraulic non-return valve
hydraulic non-return valve
901390

DN: 1, 0.5, 0.75 in
Pressure: 350 bar

... NON-RETURN VALVE - Bezares SA - Leading hydraulic manufacturer Hydraulic valve for the flow control. ...

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BEZARES S.A.
hydraulic non-return valve
hydraulic non-return valve
MC 02

Pressure: 0 psi - 1,706.4 psi
Temperature: 50 °C
Flow rate: 50 l/min

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BEZARES S.A.
pilot-operated non-return valve
pilot-operated non-return valve
MPC 02

Pressure: 0 bar - 1,706.4 bar
Temperature: 50 °C
Flow rate: 50 l/min

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BEZARES S.A.
disc check valve
disc check valve
F28044100 series

DN: 0.062, 0.25, 0.125, 0.18, 0.09 in
Pressure: 0 psi - 50 psi

... Umbrella check valves are Air Logic's first-in-class robust innovation in low cracking force inline non-return valves. The plastic bodies with preloaded elastomer umbrellas are designed for cracking pressures below 2 ...

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AIR Logic
disc check valve
disc check valve
F280440 series

DN: 0.125, 0.06 in
Pressure: 0 psi - 10 psi

... Miniature check valves will prevent flow in one direction and facilitate flow in the opposite direction. Check valves are sometimes called non-return valves. Floating disk style check valves ...

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AIR Logic
disc check valve
disc check valve
F2804404 series

DN: 0.17, 0.125, 0.063 in
Pressure: 0 psi - 75 psi
Temperature: 5 °C - 48 °C

... Check valves will prevent flow in one direction and facilitate flow in the opposite direction. Check valves are sometimes called non-return valves. Floating disk style check valves have ...

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AIR Logic
ball check valve
ball check valve
P361

DN: 7 mm

... Ball valve with magnetic coupling. Leakage tight, minimal leakage rate. Specifications Description Ball valve without a spring Function Precision check valve ...

stainless steel check valve
stainless steel check valve
5475

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 ...

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BENE INOX
swing check valve
swing check valve
58713

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 ...

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BENE INOX
stainless steel check valve
stainless steel check valve
61411

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

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

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BENE INOX
swing check valve
swing check valve
HCV-300FF

DN: 2 in - 12 in
Pressure: 300 psi
Temperature: 0 °C - 80 °C

... Model HCV, UL Listed Swing Check Valve, also known as NON-Return Valve, is commonly used in water pumping in Fire Systems. The main function the Swing Check Valve is to prevent back flow and protect ...

swing check valve
swing check valve
HCV-350GG

DN: 2 in - 12 in
Pressure: 350 psi
Temperature: 0 °C - 80 °C

... Model HCV-350GG, theUL Listed Groove Swing Check Valve, allows and easy and faster installation, this valve is commonly used in water pumping in Fire Systems. T he main function the Swing Check Valve ...

lift check valve
lift check valve
CHF

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 selected to prevent potential damage on pump from sudden ...

fall prevention non-return valve
fall prevention non-return valve
ECV series

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 vacuum lowering of ...

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NIHON PISCO CO., Ltd.
anti-spatter non-return valve
anti-spatter non-return valve
V-0 series

Pressure: 0.1 bar - 0.9 bar
Temperature: 0 °C - 60 °C

... The joint made of a flame-retarded resin is highly resistant to spatters (UL94 V-0 equivalent). The cover prevents malfunction of the release ring due to spatter. Flame-retarded plug is newly introduced. For price options, please contact our ...

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NIHON PISCO CO., Ltd.
disc non-return valve
disc non-return valve
CV series

DN: 4, 6, 8, 10, 12 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 and low-pressure piping. Low-cost and lightweight ...

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NIHON PISCO CO., Ltd.
ball check valve
ball check valve

DN: 3.175 mm - 9.525 mm
Pressure: 0.6 bar - 135 bar
Temperature: -50 °C - 200 °C

... br>Internal check valve, soft-seal check valve, high-pressure check valve, wellhead check valve, oil and gas check valve, stainless steel check valve, ...

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