Low-pressure check valves

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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 package. ...

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 during ...

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 oxygen available Series ...

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

... 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
gas non-return valve
gas non-return valve
ULTRA 30

DN: 1.5 in
Pressure: 0 bar - 20 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 low ...

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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 back pressure. ...

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 back pressure. ...

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 ...

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 ...

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 ...

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 ...

disc check valve
disc check valve

DN: 100 mm - 1,800 mm
Pressure: 10, 16 bar
Temperature: 0 °C - 90 °C

... to the right. Upon request, it is possible to provide this check valve with a protection cover for more safety Main Characteristics and Advantages of the Weighted Check Valve ...

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 to prevent blockages Applications • ...

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 of industrial ...

disc check valve
disc check valve
CV-062

DN: 0.06 in
Pressure: 30 psi
Temperature: 40 °C - 150 °C

... A check valve is a type of valve that allows fluids to flow in one direction but closes automatically to prevent flow in the opposite direction (backflow). Applications Include: Medical, HVAC, Light ...

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 G2" that allows ...

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. ...

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 ...

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 acting on the valve ...

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 ...

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: GB Application: ...

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Ningbo Baodi Plastic Valve Co., Ltd.
gas check valve
gas 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 parallel outlets - ...

water check valve
water 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 Size .140 Flow ...

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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 performance. These ...

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 certain parts of ...

swing check valve
swing check valve
CRC - CRR

DN: 80 mm - 2,000 mm

... assist closing under low pressure or low flow conditions. The optimized hinge and shaft design enable smooth opening and closing movements, reducing mechanical wear and ensuring long ...

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