Check valves

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Check valves | How to choose the right check valve
The check valve allows fluid to flow in one direction only, blocking its passage in the opposite direction. Fluid backflow can damage circuits, especially hydraulic circuits. These valves can also prevent liquid or steam leaks if there are faults in the pipe structure. They are also installed in sewage pipes to prevent backflow and the passage of bad smells. Check valves can be found in hydraulic pumps and motors, ventilation systems, pump pipes, hydraulic and pneumatic...
poppet check valve
poppet check valve
CVSS-FL2-1

DN: 0.125 in
Pressure: 207 bar
Temperature: -23 °C - 190 °C

... 316 SS, CV Series Check Valve, 1/8" Tube Fitting, Fluorocarbon FKM O-Ring, 3000psig(207bar), -10°F to 375°F(-23°C to 190°C), Fixed Cracking Pressure 1/3psig(0.02bar) Body Material316 Stainless Steel Port 1 TypeFractional ...

ball check valve
ball check valve
VUI series

DN: 6.35 mm - 19.05 mm
Pressure: 0 bar - 8 bar
Temperature: -20 °C - 80 °C

... function as e.g. load holding or part of sequence valves. Typical application are systems for agricultural or industrial machineries DESCRIPTION The VUI series’ valves are unidirectional valves (or ...

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Oleoweb Srl
fire protection check valve
fire protection check valve
H series

DN: 200, 150, 100, 80 mm
Pressure: 17.5 bar

... HD Alarm Valve acts as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping. It is used to actuate a fire alarm during flow of water from the ...

poppet check valve
poppet check valve
MCV2-08-B series

Pressure: 250 bar
Temperature: -40 °C - 120 °C
Flow rate: 19 l/min

... Specifications · Operating Pressure:250BAR · Flow:19L/min · Internal Leakage:3drop/min.max.at operating pressure · Temperature:-40°C to +120°(-40°F to+250°F) · Cavity:08-2 · FluidsMineral-based fluids with viscosities of ...

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Wenzhou Meric Hydraulic Technology Co.,Ltd
disc check valve
disc check valve
SLDCV-77

... DISC CHECK VALVE: -Compact design -Light and weight -Size(NB)-15,20,25,40,50,80,100 ...

disc check valve
disc check valve

DN: 50 mm - 900 mm
Pressure: 150 bar - 2,500 bar

... Dual Disc Lug Type Check Valve Body Material: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze Disc: Ductile Iron, Stainless Steel, Aluminium Bronze Spring: Stainless Steel Stem: Stainless ...

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Valvesonly Europe
disc check valve
disc check valve
PC11

DN: 15 mm - 100 mm
Pressure: 150 bar
Temperature: 300 °C

... Single Disc Non-slam Check Valve. Complete SS construction. A351 Gr. CF8M End conns.: Wafer type - for fitment between flanges ...

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Pennant Engineering
poppet check valve
poppet check valve
CVC5.S08

DN: 12.7 mm
Pressure: 420 bar
Temperature: -30 °C - 110 °C

... -in, cartridge style, direct acting, poppet type check valve. Main use is as a blocking or load-holding device. The CVC5.S08 allows flow passage from port 1 to 2: the cartridge has a fully guided check ...

ball check valve
ball check valve

DN: 5, 5.5, 4.6, 5.8 mm
Pressure: 0.1 bar - 10 bar
Flow rate: 8.6 l/min - 34 l/min

... Directional flow control Cleaning, washing and degreasing systems Foot valves Mixing of detergent solutions Stainless steel and PVC non-return valves POM (Delrin) Venturi tube fluid mixers The dimensions of ...

poppet check valve
poppet check valve

DN: 0.25, 0.375, 1, 0.5, 0.75 in
Pressure: 0 psi - 100,000 psi
Temperature: -251 °C - 648 °C

... Prevents reverse flow which may cause damage to a pressure system Metal Seat offers metal-to-metal seat for rapid cycling or severe environments Soft Seat offers PEEK seat with metal back-up for fast shutoff and reliable seal Complete ...

flange check valve
flange check valve

Pressure: 350 bar

PG planetary gear units are divided into 21 basic groups depending on the different torques that are to be transmitted to the output shaft, which can vary from 0.05 to 65 kNm. In fact, the product modular construction permits the coupling of bevel gears, ...

female check valve
female check valve
6015

DN: 8 mm - 50 mm
Pressure: 63 bar
Temperature: -20 °C - 200 °C

... 3-pcs. investment cast check valve in stainless steel with spring. Mounting in all directions. FDA ...

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Dansk Ventil Center A/S
disc check valve
disc check valve
F6xxx series

Pressure: 45 bar - 55 bar
Temperature: -29 °C - 191 °C

... flow and minimal pressure drop Hermetically sealed copper body Optimised seat material with an elastomer coated valve plate Safe working pressures up to 55 Bar (R410A compatible) Multi orientation while maintaining ...

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Henry Technologies
poppet check valve
poppet check valve
CVGC, CVS series

DN: 0.375 in - 1 in

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A.D.I ATACHI CORPORATION SDN BH
water check valve
water check valve
H6200 series

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

... Price can't be beat! The 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 Coefficient: Cv: Consult ...

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Valve Check, Inc
disc check valve
disc check valve

DN: 15 mm - 1,000 mm
Pressure: 10 bar - 40 bar
Temperature: -40 °C - 180 °C

swing check valve
swing check valve
JW300

DN: 25 mm - 200 mm

... Model No.: JW300-Flanged Body Material:UPVC,PP,CPVC,PPG,PVDF Bonnet:UPVC,CPVC,PPG,PVDF Disc:UPVC,PP,CPVC,PPG,PVDF O-Ring:EPDM,VITON Size: DN25(1")~DN200(8") Standard: JIS,ANSI,DIN ...

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Shie Yu Machine Parts Industrial Co., Ltd.
poppet check valve
poppet check valve
240 MT

DN: 10 mm - 50 mm
Pressure: 0 bar - 160 bar
Temperature: 0 °C - 550 °C

... Standard features Straight bonnet Die-forged valve body and bonnet Shut-off disc, Fig. No. 200 AE Throttle disc, Fig. No. 200 BE Outside screw and yoke Position indicator if required Turning and rising stem Pressure and temperature ...

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Stahl-Armaturen PERSTA
ball check valve
ball check valve
CV04-NB

Pressure: 207 bar

... This valve allows free flow from 1 to 2 and blocks flow from 2 to 1. ...

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Comatrol
poppet check valve
poppet check valve
Check Valves

Pressure: 0.5 psi - 125 psi
Temperature: 0 °F - 225 °F

... Check valve (one way valve) allows flow in one direction only. Internal seal checks reverse flow. Used in applications where back flow is not permitted, or must be redirected. Humphrey ...

swing check valve
swing check valve

DN: 6 in - 16 in
Temperature: 0 °F - 500 °F

... The double-flap series are rotary valves manufactured by ACS. It is suitable for feeding and metering process. The valve has 3 different heights measuring from 28 3/4"up to 40 1/4". In addition, the square flange has ...

swing check valve
swing check valve
240 series

DN: 2 in - 48 in
Temperature: -267 °C - 537 °C

... (Wafer Style Check Valve) Our industrial grade 304/316 stainless steel swing check valve is designed for a flanged piping system, between two flanges. The valves may ...

ball check valve
ball check valve
SCV

Pressure: 6 bar

... plastic components, introduces SCV Series check valves for medical devices. These new check valves come in multiple medical grade materials and sizes to meet a diverse set of fluid management ...

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Value Plastics
safety non-return valve
safety non-return valve
40002BA

... To avoid the backflow of materials up to category 4 into the drinking water installation, the backflow preventer BA (acc. to DIN EN 1717 a “backflow preventer with a controllable middle pression area”) is used as an approved safety device. ...

gas check valve
gas check valve
910.11

DN: 0.5 in
Pressure: 0 bar - 400 bar
Temperature: -10 °C - 120 °C

... pressure gauge valves per DIN 16271, the test pivot is sealed by a lens-type sealing ring and a screw cap placed on top; with valves per DIN 16272, the test pivot is separately isolated by an additional valve ...

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