double check valves

cryogenic lift check valve
1.Nominal diameter:20,25,32,40 mm
2.Pressure regulating range: 6.3;16;25;31.5MPa

4201 SWING TYPE CHECK VALVE
SIZE:DN50-DN300
PRESSURE RATING:PN16
WORKING TEMPERATURE:-10-120DEGREE
CONFORM TO EN12334(BS5153)

Features:
-Subplate connection
-Leakage-free closure in one direction

Check valve is used to prevent the meida flowing back in the pipeline.
Bottoml Valve,size:1/2"to 4"

Brass Check Valve Y Type
MOQ:3000pcs
With Stainless Steel Filter.
Heavy Weight Model
Size:1/2"-4"

Piston check valve 800LB Standard Material Specification as following:

4202 SWING TYPE CHECK VALVE
SIZE:DN50-DN300
PRESSURE RATING:CLASS125
WORKING TEMPERATURE:-10-120DEGREE
CONFORM TO EN12334(BS5153)

Manufacturer in Brass Check Valve
- Suitable for plumbling
- High quality, low price
- OEM request welcome
- RoHS approval

adjustable threaded cartridge throttle check valve
Fluid Temp:-20~70
Pressure:31.5(Mpa)

Features:
-Subplate connection
-Leakage-free closure in one direction

Manufacturer in Brass Check Valve
- Suitable for plumbling
- High quality, low price
- OEM request welcome
- RoHS approval

High quality control,Competitive price, Fast delivery
Small quantity acceptable
Sample available

easy control for air check valve
Material:Alloy
Pressure:High Pressure
Temperature of Media:Medium Temperature

YQD series hyperpressure pilot operated check valves allow high pressure oil free flow in one direction and block in the counter direction

a type straight check valve
Material:Alloy
Pressure:High Pressure
Temperature of Media:Medium Temperature

Features:
-threaded connection
-subplate mounting

Check valve controlled by fluid
For subplate mounting, Mounting pattern to DIN 24 340
Subplate or screw threaded connection

Feature:
-Suitable for direct in-line mounting
-Pressure and viscosity dependent

Features:
-Subplate connection
-Leakage-free closure in one direction

Features:
-Subplate connection
-Leakage-free closure in one direction

.Body :forged brass
.Surface: nickel-plated
.handle:steel handle

Features:
-Leakage-free closure in one direction
-5 cracking pressures
-For threaded connection(screw-in connection)
-Cartridge connection

Features:
-Leakage-free closure in one direction
-5 Cartridge connectioncracking pressures
-For threaded connection
-Cartridge connection

Features:
-Mounting pattern to DIN 24 340
for use in vertical stacking assemblies
-For the leak free closure of one or two service ports

Features:
-Leakage-free closure in one direction
-5 kinds of cracking pressures
-For threaded connection
-Cartridge connection...

Features:
-Subplate connection
-Leakage-free closure in one direction

Features:
-Subplate connection
-Leakage-free closure in one direction

Check valve controlled by fluid
For subplate mounting, Mounting pattern to DIN 24 340
Subplate or screw threaded connection

1-way restrictive valve is consisted of needle valve and 1-way valve in parallel. It is used to adjust the flow in one way, and reverse back freely

Features:
-Mounting pattern to DIN 24 340
for use in vertical stacking assemblies
-For the leak free closure of one or two service ports