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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 High Accuracy Butterfly Valve Test Bench DYFJ-H High Accuracy 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 manufacturing company specialising in the production of valve testing equipment, valve test bench, valve testing machine, valve test press, valve test bench with design, development, production and service as a whole. 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

2025-03-31

How long is the service life of the valve test bench in general

Quality and brand 　　Well-known brands and good quality valve test benches, usually using high-quality materials and advanced manufacturing processes, ...

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2025-03-25

Structure and working principle of valve test bench

The valve test bench is used to test the performance of the valve and is an important piece of equipment, its structural design and working principle ...

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2025-03-20

Valve testing equipment maintenance methods and steps

In order to ensure the normal operation of the valve testing equipment and extend the life of the equipment, regular maintenance and repair is very ne...

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