Hydraulic Double Check Valve

Hydraulic Double Check Valve
1. Size: DN50-DN600
2. Working pressure: PN16, CL125/150
3. Suitable temperature:
NBR: -10~+80°C; EPDM: -10~+120°C; VITON: -10~+150°C

Product Details

Hydraulic Double Check Valve

Know more about the check Valve


Petroleum, chemical industry, pharmacy, fertilizer, power industry etc.


1.GB lift check valve is self-sealing valve. The disc can be acted by the flow which can protect against the media flow back.

2.The disc with spring can keep the valve work in any direction.

3.Reasonable structure, reliable sealing, excellent performance and attractive appearance make a KEMUS valve. 

The material standard of hydraulic double check valve

Material list(CN standard):

NO.Part NameCarbon Steel SeriesStainless Steel SeriesAlloy Steel SeriesLow-temperature Steel Series
3Washer Flexible graphite+ss304 Flexible graphite+ss304 Flexible graphite+ss304 Flexible graphite+ss304

Technical Specification of check valve:

Design StandardGB/T 12235

Temperature Pressure RatingGB/T 12224

Structural LengthFactory Standard

 Flange DimensionsGB/T 9113,GB/T 79

Inspection and TestJB/T 9092,GB/T 13927

nominal pressurePN1.6PN2.5PN4.0PN6.4PN10.0PN16.0
Test Pressure(Mpa)Body Test2.43.756.0 9.615.0 24.0 
High Pressure Seal1.762.754.47.0411.0 17.6
Low Pressure Seal0.
Applicable temperature-196°C~550°C(Differeent temperature use different material)

Applicable Mediumwater,gas,oil and corrosive media(different media use different material)

The Casting Technology for fully weld check valve

check valve casting

Transportation of check valves

China check valve factory supplier

Our Services

1.100% factory price, because we are direct producer of ball valve, butterfly valves, check/non-return valves, gate valves and so on.

2.Market, technical support and after-sale service within 24 hours.

3. You can order your own configuration.

A: Manual     B: pneumatic   C: electric   D: bare shaft  E: disc with pin    F: disc without pin   G: double half shaft   H: one piece body   I: two pieces body  J: logo 


1. Are you a factory or the trading company?

We are manufacturing factory and we have the export licensed

2. Do you have any guarantee on the quality of your valves?

The quality assurance is one year.

3.What is you leading time?

20GP is 15 days, and 40GP is 20 days

4.Which port are you shipping?

Ningbo Port, Tianjin Port

5.Can we print the LOGO on products?

Yes, and we support the OEM.

6.Do you have any certification?

Yes, we have 9 patents for the products.

To visit underground check valve, please contact

China non return Valve Supplier

China Ball Valve Supplier

check valves


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