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Threaded Check Valve

Zhejiang Yongyuan Valve is a professional manufacturer of valves in China, founded in 1967.With a history of almost 50 years of history, Nowadays we're one of the council members of China Valve Association, and one of the compilation enterprises of National Ball Valve Standard, designated as one of the best Chinese chemical equipment suppliers.Our company has gained the reputation of outstanding enterprises in Zhejiang Province, also got feedback from customer's satisfaction and rewards of excellent business performance.Our check valves can be divided into flanged check valves, threaded check valves and grooved check valves of these three types.

Check valve refers to the circular disc as the opening and closing parts, and by its own weight and medium pressure to block the medium back flow of a valve.Usually this valve is automatic work, in the fluid flow in a direction of the pressure, the valve disc opened;When the fluid flows in the opposite direction, the pressure of the fluid and the disc pay against the seat, thus cutting off the flow.There are two kinds of threaded check valves: swing check valve and lift check valve.Materials have cast iron, carbon steel, stainless steel and forged.This product can be applied to water, gas, oil and etc.

Our threaded check valves are widely used. We have Certificate of ISO9001 management system is obtained in 2000, TS manufacture license (The national special equipment for pipeline and valve) in 2006 and API 6D (American Petroleum Institute) license in 2012.The sales market cover North America and Southeast Asia.Our factory has a high quality control system and a dedicated quality control team, all the valves are inspected on API598 or API6D, thus we can offer good quality valves to customers.We have full lines of equipment from production, inspection to testing, like two lines of sand casting and two lines of investment casting, 208 sets of mechanical processing equipment.According to the standard of GB, JB, HB, ANSI and JIS, we manufacture ball valves, globe valves, gate valves, butterfly valves, check valves, drain traps, fluorine lined valves, pneumatic and electric steam control valves, relief valves and different kinds of flange, with various kinds of raw material (alloy steel, heat-resistance steel.stainless steel, carbon steel, ductile iron and gray iron), the working pressure is 1.6-4.8Mpa and temperature below 480C°.With staff team of good technology and high quality, positive corporate culture, we are dedicated to provide our customers with quality service, adhering to the concept of QUAIITY, EFFICIENCY, INNOVATION.

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High quality Threaded Check Valve is CE certified. As a specialized China Threaded Check Valve manufacturers and suppliers from Yongyuan Valve, we have our own brands. In addition, you can also buy at the cheap price,because we provide free samples and quotations. We are not only support good services, but also provide classy,fancy,advanced commodity. You can buy discount products from our foundry factory with confidence. If I need a lot, then can I wholesale? Yes, you can. Because our products are in stock. Welcome to buy our products with low price from us. For more information, contact us now. Let us cooperate with each other to create a better future and mutual benefit.