Flap valves

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threaded check valve
threaded check valve

Pressure: 4,200 bar

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

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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 ...

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WEH GmbH Verbindungstechnik
ball check valve
ball check valve
TVR200-S1

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 with liquid and gaseous media up to max. 250 ...

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WEH GmbH Verbindungstechnik
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.

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.

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
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

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 ...

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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 ...

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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 ...

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AIR Logic
gas non-return valve
gas non-return valve
ULTRA 10

DN: 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 ...

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

DN: 0.5, 1, 0.75 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 ...

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

DN: 1.5 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 ...

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WITT-Gasetechnik
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 ...

ball check valve
ball check valve
ERM103AB

Pressure: 0 bar - 300 bar
Flow rate: 0 l/min - 60 l/min

Pilot operated check valves for modular mounting Weight = 1.2 Kg

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 ...

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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 ...

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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 ...

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Beswick Engineering Co, Inc.
ball check valve
ball check valve
SV series

DN: 0.25, 0.125 in
Pressure: 5, 0.6 bar
Flow rate: 0 l/min - 340 l/min

Closes the vacuum line when ejectors are inactivate, thus maintaining the vacuum pressure within the system.

springless check valve
springless check valve
ERV/01

DN: 10 mm

Check valve in PA Springless with two stainless steel balls Installation position : Vertical in flow direction Length : 37.5 mm Outer diameter : 10 mm For hose 6 x 4 (flexible)

springless check valve
springless check valve
ERVM05

DN: 10 mm

Stainless steel check valve Springless with two stainless steel balls Installation position : Vertical in flow direction Length : 34.0 mm Outer diameter : 10 mm Connection : M5

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 ...

poppet excess-flow valve
poppet excess-flow valve

DN: 0.25, 0.5 in
Pressure: 0 bar - 25 bar

... flow valves are usually used when rupture discs are used together with a safety valve or when installed on multiple rupture discs in series. Excess flow valves close when exposed to ...

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

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.
wafer check valve
wafer check valve
CROV series

DN: 40 mm - 300 mm
Pressure: 5 bar
Temperature: 0 °C - 60 °C

The CR wafer check valve is designed to be installed directly between stubs and flanges in accordance with ISO/DIN standards.

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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
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 ...

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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 ...

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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 ...

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Maximator GmbH
ball check valve
ball check valve
SCV series

DN: 6, 12, 10 mm
Pressure: 10, 16 bar

... prevents backflow or back siphonage contamination risks up to Fluid Category 2 John Guest push-fit acetal single check valve provides protection from the reversal of flow or back siphonage against Fluid Category 2 ...

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JOHN GUEST
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
C 8686

DN: 50 mm - 300 mm
Pressure: 10 bar
Temperature: -30 °C - 180 °C

Sandwich construction for installation between flanges PN 10 (other pressure stages on request) Materials Body and plate PTFE/coal Sealing FEP-coated O-ring Product advantages Low weight Mounting position horizontal and vertical ...

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GEFA Processtechnik
ball check valve
ball check valve
2142

DN: 10 mm - 50 mm
Pressure: 63 psi
Temperature: -328 °F - 392 °F

The non-return valves are used in pipelines for the storage, transport and production of liquid gases and provide protection against the unintentional backflow of gases or liquids. The check valves are ...

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Goetze KG Armaturen
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)

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
water check valve
water check valve
CV5203-W

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

Welded, Spring Return Dimensions to ISO2037, DIN11850

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Taloar
water check valve
water check valve
NC300

DN: 2 in - 12 in
Pressure: 10, 16, 175, 235 bar
Temperature: 0 °C - 100 °C

... blocked NC300 silencing non-slam check valve is a hydraulically controlled diaphragm control valve with controllable opening and closing speed. When inlet pressure rises and exceeds the valve ...

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Taloar
ball check valve
ball check valve
EV-23

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.

swing check valve
swing check valve
MP 170

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 ...

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MARAN E PERACINI
swing check valve
swing check valve
MP 170LP

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 ...

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MARAN E PERACINI
swing check valve
swing check valve
MP 170SBLP

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 ...

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MARAN E PERACINI
swing check valve
swing check valve
Multi

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 ...

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NORHAM SAS
swing check valve
swing check valve
Multi N

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 ...

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NORHAM SAS
swing check valve
swing check valve
Muti NB 200 - 600 series

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 ...

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NORHAM SAS
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