Company Profile

Zhejiang Xinhai Valve Manufacturing Co., Ltd., located in Ouei, Wenzhou, China, is established in 1986. With over 30 years' China Zhejiang Xinhai Valve Manufacturing Co., Ltd.experience, now, the company becomes a professional valve manufacturer specialized in developing, manufacturing, and marketing valves, as well as high-quality services. It covers an area of 15000 square meters and has two subsidiary factories.

The industrial valves we manufactured include gate valves, check valves, globe valves, ball valves, butterfly valves, plug valves, strainer and other valves. The valves are manufactured according to ANSI, API, DIN, GOST, BS, JIS, Chinese GB standards and the customers' special requirements. Our products have been marketed throughout the world, suitable for a wide variety of applications in the Gas, Oil, Refining, Chemical, Marine, Power Generation and Pipeline Transmission Industries.Xinhai Valve Model Showroom
 
Pressure range: Class 150 – Class 2500, PN6 - PN420. 
Size range: NPS 1/2 - 48 Inches. 
Operation type: manual, gearbox, chain wheel, pneumatic, electric, etc. 
Connection End: flanged, BW, SW, NPT, wafer type, etc. 
Materials (casting): WCB, WCC, LCB, LCC, LC1 - 3, CF8, CF3, CF8M, CF3M, CF8C, CN7M, CA15, C5, WC5, WC6, WC9, Monel, etc. 
Materials (forging): A105, LF1, LF2, F304, F304L, F316, F316L, F11, F22, F6, F51, F316H, F321, F347, Inconel, etc. 
 
To introduce the international quality management system, Xinhai have got the approval of ISO 9001, API 6D, CE and Chinese AZ certification. Besides, Xinhai established a multi-functional phys-chemical lab to supervise the quality further from time to time and fitted out spectrum analyzer, portable spectrograph (PMI), material tester, impact tester, hardness meter, tensile tester, thickness meter, magnetic particle tester, fugitive emission tester, and NDE testing equipment.
 
The primary target of Xinhai is to offer products and services of high quality, so that we will receive the highest degree of consumer satisfaction and fidelity. Both new and old customers are welcomed to set up a partnership with Xinhai to explore wider marketing opportunities and create a brighter future together!
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News & Events
2020.05.26
Working Principle of Butterfly Valve
Butterfly valve is a kind of valve that is opened and closed according to the rotation of the valve stem to drive the disc to rotate. In the cylindrical passage of the valve body, the disc is rot...
2020.05.23
Reasons and Solutions for Valve Hard to Fully Close
In the process of using the valve, there are often some perplexing problems. For instance, the valve can't be tightly closed. So how should do? If the valve is not tightly closed, first find out ...
2020.05.14
Notes on Selection of Valves
Selection of valves shall comply with the following principals: 1. According to the use place and purpose of the valve, and after knowing the relevant regulations, specifications, standards and gaini...
2020.05.07
What is Butterfly Check Valve?
The check valve belongs to an automatic valve, and its main function is to prevent back flow of medium, reverse rotation of pump and drive motor, and relieving of container medium. Check ...
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