One-stop Valve Testing Equipment Solutions

20 years of focus on R & D and production of valve testing equipment

Our Provided Products

We are Duojia, a specialised manufacturer of valve testing equipment. Our company is dedicated to providing innovative and reliable solutions for valve testing systems.

DYFJ-A Horizontal Clamping Valve Test Bench

DYFJ-C Submerged Hydraulic Valve Test Bench

DYFJ-E Top Pressure Horizontal Valve Test Bench

DYFJ-F Vertical Type Hydraulic Valve Test Bench

DYFJ-H Horizontal Top Pressure Valve Test Bench

DYFJ-AQ Safety Hydraulic Valve Test Bench

DYFJ-NJ300 Valve Life Torque Test Bench

Customized Valve Testing Equipment

ABOUT DUOJIA

Zhejiang Duojia Hydraulic Co., Ltd. is a specialized valve testing bench equipment manufacturer, mainly engaged in valve tester bench machine for sale and valve test bench design.

The company has strong technical force, with professional and technical personnel, the use of high-tech processing technology and testing methods to produce various types of DYFJ-type hydraulic valve test bench.

20+

Years of Industry

Experience
5000

m²

Factory Area
100+

Number of

Serviced Clients

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APPLICATION AREA

Hydraulic valve test benches are widely used in various industries, especially in areas requiring high performance and reliability, to ensure the quality and stability of valve components in hydraulic systems.

Electricity Industry

Gas System

General Industrial Systems

Ocean Platform

Coal Chemical Industry

Metallurgical Industry

Manufacturing Capability

Factory strength

With rigorous technology, diverse functions, solid structure and convenient operation, it is widely used in ball valves, gate valves, globe valves, butterfly valves, check valves, diaphragm valves, plug valves, throttle valves, pneumatic control valves and other types of high-, medium- and low-pressure valves with a nominal diameter of DN15-1,000mm flange and threaded connections, as well as in the water (gas and oil) test.

Project Cases

Every project is a reflection of our expertise

What’S News

2025-08-29

Maintenance Myths Busted: What Your Hydraulic Bench Really Needs

Maintaining a Hydraulic Valve Test Bench or Safety Valve Test Bench is often surrounded by assumptions that can lead operators to overlook essential c...

2025-08-22

Why Ignoring Small Leaks Costs Big for Hydraulic Test Benches

Small leaks in a Hydraulic Valve Test Bench or Safety Valve Test Bench often appear insignificant. A minor drip or occasional pressure fluctuation can...

2025-08-15

Beyond Oil Changes: The Secret to Hydraulic Bench Longevity

Hydraulic valve test rigs are key equipment in any facility for validation, maintenance or quality control of pressure-related products. From routine ...

2025-08-08

Keep Your Hydraulic Test Bench Happy: Maintenance That Sticks

Maintaining a safety valve test bench or hydraulic valve test bench is an important part of ensuring consistent, accurate, and safe valve testing oper...