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Flap valves

Pressure: 4,200 bar
Check valves only allow one direction of flow. A back flow in the opposite direction is prevented.
WEH GmbH Verbindungstechnik

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 ...
WEH GmbH Verbindungstechnik

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 ...
WEH GmbH Verbindungstechnik

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.

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.

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 ...

DN: 7 mm
Ball valve with magnetic coupling. Leakage tight, minimal leakage rate. Specifications Description Ball valve without a spring Function Precision check valve

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 ...
AIR Logic

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 ...
AIR Logic

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 ...
AIR Logic

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 ...
WITT-Gasetechnik

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 ...
WITT-Gasetechnik

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 ...
WITT-Gasetechnik

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 ...

Pressure: 0 bar - 300 bar
Flow rate: 0 l/min - 60 l/min
Pilot operated check valves for modular mounting Weight = 1.2 Kg

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 ...
Beswick Engineering Co, Inc.

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 ...
Beswick Engineering Co, Inc.

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 ...
Beswick Engineering Co, Inc.

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.

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)

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

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 ...

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 ...

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

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

DN: 1, 0.5, 0.75 in
Pressure: 350 bar
NON-RETURN VALVE - Bezares SA - Leading hydraulic manufacturer Hydraulic valve for the flow control.
BEZARES S.A.

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

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

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.
FIP - Formatura Iniezione Polimeri

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.
FIP - Formatura Iniezione Polimeri

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.
FIP - Formatura Iniezione Polimeri

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 ...
Maximator GmbH

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 ...
Maximator GmbH

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 ...
Maximator GmbH

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 ...
JOHN GUEST

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
BENE INOX

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
BENE INOX

DN: 25 mm - 104 mm
Pressure: 10 bar
Temperature: -20 °C - 130 °C
CHECK VALVE PLAIN ENDS - EPDM GASKETS - STAINLESS STEEL 316L Inox 316L
BENE INOX

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 ...
GEFA Processtechnik

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 ...
Goetze KG Armaturen

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)

DN: 0.5 in - 4 in
Pressure: 145 psi
Temperature: -20 °C - 100 °C
Clamp, Spring Return Dimensions to ISO2852, DIN32676
Taloar

DN: 0.5 in - 4 in
Pressure: 145 psi
Temperature: -20 °C - 100 °C
Welded, Spring Return Dimensions to ISO2037, DIN11850
Taloar

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 ...
Taloar

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 (HVAC) - Central ...
MARAN E PERACINI

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 ...
MARAN E PERACINI

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 ...
MARAN E PERACINI

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 ...
NORHAM SAS

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 ...
NORHAM SAS

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 ...
NORHAM SAS
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