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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

2025-11-28

Hydraulic Valve Test Bench: How to Optimize Testing Accuracy and Repeatability?

Accurate and repeatable pressure testing is fundamental in ensuring that valves perform as intended under operating conditions. Both the Relief Valve ...

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2025-11-21

Hydraulic Valve Test Bench: What Are the Key Safety Protection Mechanisms?

Ensuring operator safety and equipment stability during valve testing requires a well-designed system that incorporates multiple protection mechanisms...

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2025-11-14

What Makes Relief Valve Test Bench Suitable for Dual Media Testing?

Industrial valve testing often requires systems that can handle different pressure media under precise and controlled conditions. Both the Relief Valv...

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2025-11-07

How Does Relief Valve Test Bench Ensure Accurate Pressure Calibration?

Pressure calibration is a crucial step in ensuring the safety and performance of industrial systems. A  Relief Valve Test Bench  and Hydraulic Valve T...

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