Since 1988 Offset Valve Manufaturer
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
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.
ZHONGNAN VALVE
Double Eccentric Butterfly Valve
It can be customized according to different needs. The 14 long series butterfly valve is a type of long butterfly valve designed in accordance with the EN558 standard. This butterfly valve typically has a longer structural length, providing better flow control and sealing performance in pipeline systems.
ZHONGNAN VALVE
Double Eccentric 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.
ZHONGNAN VALVE
ZHONGNAN VALVE
Triple Eccentric Extended Stem Butterfly Valve
Supports customization, the triple eccentric extended stem butterfly valve is a high-performance butterfly valve with advanced structure and reliable sealing. The valve adopts a triple eccentric design, allowing the valve disc to operate with almost no friction during opening and closing, ensuring a longer sealing surface lifespan. The extended stem structure facilitates operation in underground pipelines, deep wells, and environments with thick insulation layers, ensuring valve reliability while improving installation and maintenance convenience.
Applications
Widely used in petroleum, metallurgy, electricity, medicine, natural gas, tap water, high-rise buildings, sewage treatment plants
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Wastewater treatment plants
Widely used in petroleum, metallurgy, electricity, medicine, natural gas, tap water, high-rise buildings, sewage treatment plants
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Power Industry
Widely used in petroleum, metallurgy, electricity, medicine, natural gas, tap water, high-rise buildings, sewage treatment plants
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Construction Industry
Widely used in petroleum, metallurgy, electricity, medicine, natural gas, tap water, high-rise buildings, sewage treatment plants
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Petrochemical Industry
Widely used in petroleum, metallurgy, electricity, medicine, natural gas, tap water, high-rise buildings, sewage treatment plants
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Municipal Engineering
Widely used in petroleum, metallurgy, electricity, medicine, natural gas, tap water, high-rise buildings, sewage treatment plants
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Water Conservancy Project
Widely used in petroleum, metallurgy, electricity, medicine, natural gas, tap water, high-rise buildings, sewage treatment plants
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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.
Founded in
Factory area
Current employees
Certification
Integrating scientific research, manufacturing, sales, and service; Having strong technical strength and modern quality inspection and testing center
Blog
Committed to becoming a global industrial valve product service provider
Sealing advantages of class 150 eccentric butterfly valves in fluid control systems
The class 150 eccentric butterfly valve, a control valve commonly used in medium-pressure applications, demonstrates significant advantages in sealing reliability due to its unique eccentric structure design
Jan 29,2026
Control Advantages of Hydraulic Double Eccentric Butterfly Valves in Large-Diameter Pipelines
The hydraulic double eccentric butterfly valve, with its structural design and driving method advantages, demonstrates excellent application value in the control of large-diameter pipelines.
Jan 23,2026
How to choose a soft sealed flange butterfly valve？
When choosing a soft seal flange butterfly valve, the following factors need to be considered
Jan 21,2026
Transportation
Support air, land and sea transportation
Customization
Offering options for customers to customize
Enjoy A Discount
Customers can negotiate the purchase price
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