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Since 1988 Offset Valve Manufaturer

EPC/Design Institute Use Only

For 38 years, we have provided reliable eccentric products for all operating conditions, from raw water intake to wastewater treatment.Customization supported.

Since 1988 Offset Valve Manufaturer

EPC/Design Institute Use Only

For 38 years, we have provided reliable eccentric products for all operating conditions, from raw water intake to wastewater treatment.Customization supported

Products


SINCE1988.The main products include large-caliber bidirectional metal hard-sealed butterfly valves, bidirectional rubber soft-sealed butterfly valves, bidirectional hard-sealed rotary ball valves, top-mounted eccentric semi-ball valves, hard-sealed wear-resistant eccentric semi-ball valves, elastic soft-sealed gate valves, expansion joints, check valves, exhaust valves and other products.

Hydraulic Eccentric Butterfly Valve

ZHONGNAN VALVE

Hydraulic Eccentric Butterfly Valve

Designed with an automatic hydraulic actuator for reliable quick-closing and anti-slam protection against water hammer. Backed by 38 years of expertise, it is the ultimate safety solution for pump stations, water treatment, and power plant cooling systems.

Double Eccentric (Offset) Butterfly Valve

ZHONGNAN VALVE

Double Eccentric (Offset) Butterfly Valve

Supports customization. This butterfly valve is a type produced by our factory, mainly used in water supply plants, power plants, steel plants, smelting plants, paper mills, chemical plants, water supply projects, environmental protection facility construction, and other water supply and drainage projects. It is especially suitable for regulation and shut-off devices in water flow pipelines.

Applications


Widely used in petroleum, metallurgy, electricity, medicine, natural gas, tap water, high-rise buildings, sewage treatment plants

ABOUT US

ZHONGNAN VALVE


Zhengzhou Zhongnan Valve Co., LTD. (37 years) is a national A1 level manufacturing license enterprise, a national high-tech enterprise! It has ISO and CE certification.

 

The factory, integrating scientific research, manufacturing, sales and service, owns thick technical strength and modern quality test and experiment center;it has ultrasonic thickness testers, chemical analysis, CAD valve design, extract and efficient CNC manufacturing center, CNC machines and extract test facilities.

1988 Year

Founded in

36600

Factory area

285 +

Current employees

Certification


Integrating scientific research, manufacturing, sales, and service; Having strong technical strength and modern quality inspection and testing center

SIL certification
ISO certification
ISO certification
ISO certification
Special Equipment Production License

Blog


Committed to becoming a global industrial valve product service provider

What precautions should be taken when installing AWWA C504 Class 150B butterfly valve

As a type of butterfly valve commonly used in municipal water supply and industrial water transport systems, the installation quality of AWWA C504 Class 150B butterfly valve directly impacts their operational stability and service life. Therefore, installation must be carried out in strict accordance with specifications to ensure long-term, safe, and reliable operation.

Jul 20,2026

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