In-line check valves

39 companies | 78 products
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poppet check valve
poppet check valve
DT series

Pressure: 0 psi - 5,000 psi
DN: 0.25 in - 1.25 in

Parker check valves are unidirectional flow control devices used primarily in hydraulic systems to eliminate potential damage caused by fluid back pressure. DT Series Check Valves (up to 5,000 psi) have a metel to metal hard seat design ...

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Parker Quick Coupling Division
poppet check valve
poppet check valve
T50P0004

Temperature: -20 °C - 80 °C
Pressure: -0.9 bar - 16 bar

Non-return Valves ITEM: T50P0004 •Allow free flow in one direction only •Simple reliable design •Low weight •Low cracking pressure •High operating pressure

poppet check valve
poppet check valve
S/522

Temperature: -20 °C - 80 °C
Pressure: 0.3 bar - 16 bar

Heavy Duty Non-Return Valves ITEM: S/522 •Allows free flow in one direction only •Simple reliable design •High operating pressure and temperature •Spares kit available Port size:G1/2

shuttle check valve
shuttle check valve
T65C2800

Temperature: -20 °C - 80 °C
Pressure: 0.7 bar - 10 bar

Shuttle Valves ITEM: T65C2800 •Allow two independent signal sources to be connected to a common pilot line •Can be used to perform an ‘OR’ logic function •Can be combined to operate from three or more sources •Valves can be ganged ...

poppet check valve
poppet check valve
MCV-1

Temperature: 32 °F - 230 °F
Pressure: 21 bar

Check Valve, #10-32 Ports Notes Not intended for pressure relief. Arrow on valve body indicates direction of flow. Additional Information Air Flow 6.5 scfm @ 50 psig; 11.5 scfm @ 100 psig; 280 l/min @ 6 bar Force Cracks at approx. 1/2 ...

piston check valve
piston check valve
MJCV-1

Temperature: 32 °F - 230 °F
Pressure: 1,000 psi

Check Valve, 1/8 Ports Notes Not intended for pressure relief Additional Information Air Flow 20 scfm @ 50 psig; 36 scfm @ 100 psig; 580 l/min @ 6 bar Force Cracks at approximately 1/2 psig Max PSI 0-300air/0-1000hyd Mount Direct or ...

ball check valve
ball check valve
GCV-4

Temperature: 32 °F - 230 °F
Pressure: 300 psi

Four varieties of check valves are offered by Clippard. Each permits flow in one direction only. All have brightdipped brass bodies that provide inline mounting, Nitrile seals and stainless steel springs as standard. The MCV-2 has ...

poppet check valve
poppet check valve
VJ3

Temperature: -30 °C - 100 °C
Pressure: 0 bar - 320 bar
DN: 6 mm - 30 mm

Size 06, 08, 10, 16, 20, 25, 30 • Qmax 400 l/min (106 GPM) • pmax 320 bar (4600 PSI) Poppet type check valve, guided in-line mounting or slip-in design Hardened precision parts Sharp-edged steel seats for dirt-tolerant performance ...

hydraulic check valve
hydraulic check valve
B series

Pressure: 500 bar

Check valves are a type of non-return valve. They block the oil flow in one direction and open in the opposite direction. In the closed state they have zero leakage. The check valve type B is available in different housing forms and ...

membrane check valve
membrane check valve
CKV

Pressure: 0 bar - 17.2 bar
DN: 1.02 mm

The CKV series 5/16" hex body, duckbill check valve obtains 250 psig optimal pressure rating. It is composed of 6 to 8 grams of brass material, and 303 stainless steel component. Its system allows one-way flow route, and prevents opposite ...

membrane check valve
membrane check valve
CKV-M3 series

Pressure: 0 bar - 17.2 bar
DN: 1.02 mm

The Ultra Miniature low cracking pressure check valve enables free flow in one direction and no (checked) flow in the opposite direction. Due to its low cracking pressure (commonly less than 0.5 psig), leak-tight operation and exceptional ...

poppet check valve
poppet check valve
21BC series

Temperature: -20 °C - 350 °C
Pressure: 1,550 bar
DN: 2.7 mm - 14.3 mm

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 feature of MAXIMATOR is their ...

poppet check valve
poppet check valve
65BC series

Temperature: -50 °C - 350 °C
Pressure: 4,500 bar

These Maximator Ball check valves can shut off directional flows of fluids and gases with maximum working pressure of 4,500 bar and in - 50°C to +350°C operating thermal range. These valves utilize O-ring mechanical seals and is supplied ...

membrane check valve
membrane check valve
VRNR

Temperature: -20 °C - 80 °C
Pressure: 2 bar - 8 bar

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

Temperature: -20 °C - 180 °C
Pressure: max 40.0 bar

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.

membrane check valve
membrane check valve
WW series

Temperature: 0 °C - 80 °C
DN: 40 mm - 800 mm

The WW-740Q is a booster pump control valve built in a versatile design that can be integrated with hydraulic features. It provides users with convenient maintenance and high flow capacity through a stable seal disk. This valve functions ...

ball check valve
ball check valve
CV, CVM series

The check valves by Resato come in two different types, CV and CVM, being designed to ensure the proper flow of liquids and gases in a single direction. When the differential pressure drops below the spring-cracking pressure, the valve ...

female check valve
female check valve
VUFF, VUXFF

Temperature: -10 °C - 60 °C
Pressure: 2 bar - 10 bar
DN: 0.125, 0.25, 0.375, 0.5 in

Series of uni-directional valves from brass hexagonal bar, female threaded. In line mounting they allow the compressed air to flow in one direction only; therefore, they are useful in those applications where no return of the compressed ...

disc check valve
disc check valve
05 series

Temperature: -10 °C - 170 °C
Pressure: 16, 10 bar
DN: 40 mm - 250 mm

Spring check valve The valves in Series 05 are check valves with cast iron bodies, that are manufactured in accordance with the most severe product norms, and in conformity with the quality requirements of EN ISO 9001. They are available ...

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

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

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 Factory Cracking ...

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Valve Check, Inc
female-female check valve
female-female check valve
U600 series

Temperature: -12 °C - 185 °C
Pressure: 175, 400 psi
DN: 0.25 in - 4 in

"Price cannot be beat! The U600 series offers high flow and a low cracking pressure and is capable of handling applications up to 400 psi WOG (water, oil or gas)." U600-2PP 1/4" FNPT x 1/4" FNPT Max Pressure 400 psi Orifice Size ...

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Valve Check, Inc
female-female check valve
female-female check valve
U620 series

Pressure: 800 psi
DN: 0.25 in - 2 in

"Economical high flow reverse check valve! The U620 series offers high flow, low cracking pressure, teflon seal, and is capable of handling applications up to 800 psi WOG (water, oil or gas)." U620-2PP 1/4" FNPT x 1/4" FNPT Max ...

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Valve Check, Inc
poppet check valve
poppet check valve
5R

Temperature: -40 °C - 180 °C
Pressure: 0.1 bar - 6 bar
DN: 3 mm - 8 mm

Check valves are used to prevent media from flowing back in systems or to protect equipment against media blow-back. The three types (with spring, without spring and COMPACT) allow for use in many different applications. The valve seat ...

ball check valve
ball check valve
HDIN

Installed in a hydraulic line parallel to the line, the check valve opens when the pressure reaches the cracking pressure, allowing fluid to flow only in one direction and blocking the flow in the reverse direction.

poppet check valve
poppet check valve
PCV series

Temperature: -62 °C - 190 °C
Pressure: 0 psi - 3,000 psi

Poppet type, zero leak, inline check valve for liquid and gas applications to 3000 Psig. Fully retained Oring seal design permits full rated pressure in the checked direction. Offered with fully interchangeable dual ferrule tube or metal ...

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Generant
poppet check valve
poppet check valve
VD*-W* series

Pressure: 0 bar - 400 bar

VD*-W* valves are check valves with threaded “BSP” ports for mounting in-line on hydraulic lines. They allow the flow to pass freely in one direction, blocking it in the opposite direction. In rest conditions, the valve poppet is ...

piston check valve
piston check valve
CV series

Temperature: 0 °C - 49 °C
Pressure: 0 psi - 30,000 psi

Check Valves  Pressures up to 30,000 psi (2,068 bar)  Zero leak design  Low cracking pressure of 5 psi (0.3 bar)  - Multiple port and seal options  Precision-machined stainless steel construction DESCRIPTION The NuQuip® ...

ball check valve
ball check valve
FPR series

Pressure: 250 bar - 350 bar

The FPR series, manufactured by Dicsa, has a body that has been constructed out of steel. It also has a cracking pressure of 0.5 bar.

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Dicsa
ball check valve
ball check valve
3C-01 Series

Pressure: 350 bar

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

ball check valve
ball check valve
FT 260/6

Temperature: -20 °C - 100 °C
Pressure: 400, 320 bar
DN: 0.125 in - 1 in

In line check valves available from 1/8" to 1" bsp, Max.working pressure 400/320 Bar, oil flow rate up to 160 Lt./min. (depending on the size)

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F.lli TOGNELLA
swing check valve
swing check valve
Multi

Pressure: 0.9 bar
DN: 250 mm - 500 mm

MULTI in-line 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 ...

ball check valve
ball check valve
G100 series

Temperature: -29 °C - 71 °C
Pressure: 17.2 bar

You can use this back check valve for various applications, as the product can be installed on liquid transfer lines, delivery trucks and even storage tanks, depending on your needs. When purchasing this item, make sure you select the ...

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FISHER REGULATORS
ball check valve
ball check valve
LCVM7-88

Temperature: 0 °C - 250 °C
Pressure: 0 bar - 8.3 bar
DN: 12.7 mm

The Large Check Molded Valve is an injection molded, high-purity valve constructed of 100% non-metallic materials, and featuring a PFA-wetted flow path. Assembled and double-bagged in a Class 100 clean room, the valve is 100% tested for ...

disc check valve
disc check valve
T-480 series

Pressure: 17.2 Pa
DN: 0.5 in - 2 in

The NIBCO® Ring Check® valve is uniquely designed with an in-line, spring assisted self-closing disc. The lift check valve prevents backflow by automatically closing when fluid reverses direction. The valve is constructed of high quality ...