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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-A Horizontal Clamping Valve Test Bench
DYFJ-C Submerged Hydraulic Valve Test Bench DYFJ-C Submerged Hydraulic Valve Test Bench
DYFJ-E Top Pressure Horizontal Valve Test Bench DYFJ-E Top Pressure Horizontal Valve Test Bench
DYFJ-F Vertical Type Hydraulic Valve Test Bench DYFJ-F Vertical Type Hydraulic Valve Test Bench
DYFJ-H Butterfly Valve Test Bench DYFJ-H Butterfly Valve Test Bench
DYFJ-AQ Safety Hydraulic Valve Test Bench DYFJ-AQ Safety Hydraulic Valve Test Bench
DYFJ-NJ300 Valve Life Torque Test Bench DYFJ-NJ300 Valve Life Torque Test Bench
Customized Valve Testing Equipment DYFJ-NJ300 Valve Life Torque Test Bench

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.
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  • 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

Electricity Industry

Gas System

Gas System
General Industrial Systems

General Industrial Systems

Ocean Platform

Ocean Platform

Coal Chemical Industry

Coal Chemical Industry

Metallurgical 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

2026-07-17

How Can a Hydraulic Valve Test Bench Reduce Warranty Risks Before Products Leave the Factory?

Hydraulic equipment manufacturers are under increasing pressure to deliver reliable products while shortening production cycles. Whether producing val...

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2026-07-10

Why Are More Hydraulic Equipment Manufacturers Investing in Smarter Valve Testing Solutions?

As hydraulic systems become more advanced across construction machinery, mining equipment, agricultural machines, industrial automation, and energy in...

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2026-07-03

Why Is Precision Testing Becoming the Core Standard in Modern Hydraulic System Manufacturing?

As global hydraulic equipment manufacturing moves toward higher safety standards, tighter performance tolerances, and more automated quality control p...

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2026-06-26

Why Is Precision Testing Becoming a Core Requirement in Modern Valve Manufacturing Lines?

Global valve manufacturing is entering a phase where quality assurance is no longer a final step, but an integrated part of the production process. Wi...

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