Low-pressure check valves

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automatic check valve
automatic check valve
VNR series

DN: 5 mm - 25.4 mm
Pressure: 20 mbar - 25,000 mbar
Temperature: 0 °C - 80 °C

... fittings » Low operating pressures » Robust design, brass body » Version 6580 and 6510 in FKM with a wide range of chemical compatibility and operating temperatures extended. » Version for use with ...

swing check valve
swing check valve
1878

DN: 15 mm - 50 mm
Pressure: 25 bar - 325 bar

The 1878 Swing Check Valve is a rugged, specialized swing check valve optimally designed for use in reactor penetration and isolation applications. Rapid disassembly/reassembly ...

plastic housing check valve
plastic housing check valve
C series

DN: 2.5 mm - 8 mm
Pressure: 0 bar - 6 bar
Temperature: 0 °C - 149 °C

... Press-In Check Valve fits into many common plastic fittings. Lastly, our new 855 LC2 Series Press-In Check Valve offers more than a 65% increase in flow capacity over ...

throttle check valve
throttle check valve
COPM55 series

DN: 5.5 mm
Pressure: 0 bar - 280 bar
Temperature: -40 °C - 149 °C

... purchased in a variety of Lohm rates. IMH Press-in Restrictor Check Valves are, functionally, an orifice in series with a check valve, all in one 5.5mm diameter, cartridge-style ...

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. ...

threaded non-return valve
threaded non-return valve
ULTRA 20

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

... prevents back feeding of gases which could lead to unwanted gas mixtures low pressure drop – using complex valve assembly with low opening pressures ...

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

DN: 1.5 in
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 70 °C

... applications where low pressures are used WITT non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very ...

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WITT-Gasetechnik
gas non-return valve
gas non-return valve
ULTRA 10

DN: 0.5 in
Pressure: 16 bar
Temperature: -20 °C - 70 °C

... prevents back feeding of gases which could lead to unwanted gas mixtures low pressure drops – using complex valve assembly with low opening pressures ...

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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

... for cracking pressures around 0.5 psig. Check valve elements are typically actuated by reverse pressure and are best suited for applications with over 5 psig of ...

membrane check valve
membrane check valve
CKV..-..-.

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

... for cracking pressures around 0.5 psig. Check valve elements are typically actuated by reverse pressure and are best suited for applications with over 5 psig of ...

dual plate check valve
dual plate check valve

DN: 50 mm - 900 mm
Pressure: 16, 10 bar
Temperature: -10 °C - 300 °C

Double flapWafer check valves for installation between flanges Face to face dimensions according to EN 558 - series 16 and EN 558 - series 50

swing check valve
swing check valve
Valvola Clapet

Closing clapet valve for industrial system of centralized suction. The air pipe coupling is possibile trough a standard union (both not included). The valve body present on the bottom an internal thread ...

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 ...

low-pressure check valve
low-pressure check valve
CVLU series

DN: 12, 10, 8, 6, 4 mm
Pressure: 10,000 Pa - 50,000 Pa
Temperature: 0 °C - 60 °C

Securing of air flow becomes possible at low pressure that the conventional valve does not operate. Min. opening pressure is lower from 10kPa(0.01MPa) to 5kPa(0.005MPa). Low ...

disc check valve
disc check valve
DCV series

Pressure: 0 psi - 500 psi
Temperature: -40 °C - 100 °C

... seal with as low as one inch of water crack pressure. Rated for service up to 500 Psig, the DCV Series is available with many standard elastomer seal options, making it a versatile choice for many low ...

ball check valve
ball check valve
DV360

DN: 10 mm - 100 mm
Pressure: 0.2 bar

... , FPM • Gluing, solder socket, threaded connections, DIN or ANSI flanges Advantage • Absolutely hermetic at low working pressures • Optimized retention cone, less loss of load • Alignment guide ...

swing check valve
swing check valve
DV303

DN: 15 mm - 150 mm
Pressure: 10 bar

... flanges Advantage • Resistant to corrosion • Exempt from maintenance • Metal free • Absolutely hermetic at low working pressures Application • Construction of chemical facilities • Construction ...

stainless steel check valve
stainless steel check valve

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.

cryogenic check valve
cryogenic check valve
1500 MAGROS

DN: 6 mm - 100 mm
Pressure: 40 bar
Temperature: -271 °C - 50 °C

... Straight body - After exceeding the opening pressure, decreasing energy loss with increasing valve opening, and in fully opened state as very low - Low pressure ...

water check valve
water check valve
MRK66-10C series

DN: 40 mm - 100 mm
Pressure: 1 MPa
Temperature: 425 °C

... Wear-resistant Check Valve is to prevent medium backflow in pipeline. Medium is allowed to flow in only one direction. Under the medium pressure of one direction flow, the spring force ...

poppet check valve
poppet check valve
277

DN: 10 mm - 50 mm
Pressure: 16 bar
Temperature: 200 °C

... thightness acc. EN -12334 compact settlement environment-friendly no maintenance Aplications hot cold and cooling water plants neutral fluids

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VARIMEX-VALVES Poland Sp.z.o.o.
ball check valve
ball check valve
H41F-10S/F

DN: 15 mm - 300 mm
Pressure: 1,000,000 Pa
Temperature: -14 °C - 90 °C

CPVC Vertical Ball Check Valve Temperature: Ordinary Temperature Function: Nrvr Silence Sealing Form: Gland Packings Globe Valve Flow Direction: Unidirection/Reversing Standard: ...

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Ningbo Baodi Plastic Valve Co., Ltd.
male check valve
male check valve

DN: 12 mm
Pressure: 0 bar - 30 bar
Temperature: -20 °C - 60 °C

Maximum operating pressure (bar) : 30 Gas compatibility : Non corrosive gas + O2

ball check valve
ball check valve
VNRP

DN: 4 mm - 12 mm
Pressure: 1 bar - 10 bar
Temperature: -10 °C - 80 °C

Areas of application : compressed air - working pressure : 1 ÷ 10 bar - working temperature : -10 ÷ 80°C Materials : - fitting’s body in nickel plated brass or acetalic resin - female BSP parallel or male BSP ...

female-female check valve
female-female check valve
H6200 series

DN: 0.125 in - 1 in
Pressure: 800, 3,000 psi
Temperature: -40 °C - 204 °C

... H6200 series is our most economical check valve designed for low pressure applications H6200-1MM 1/8" MNPT x 1/8" MNPT Max Pressure 3000 psi Orifice ...

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Valve Check, Inc
poppet check valve
poppet check valve
CV series

DN: 0.25 in - 1 in
Pressure: 0 psi - 3,000 psi

CV Series Check Valves (3,000) psi are in-line unidirectional valves that have a two piece modular design. The larger body results in less pressure drop and increased ...

ball check valve
ball check valve
40 series

DN: 0.25 in - 1 in
Pressure: 0 bar - 1,500 bar
Temperature: -20 °C - 200 °C

Duff-Norton Europe ball check valves for high or low pressure hydraulic circuits prevent flow reversal in a circuit or protect against overpressure that can occur in ...

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