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Our crew through skilled training. Skilled skilled knowledge, strong sense of company, to meet the company wants of customers for API 6D Wafer Swing Check Valve,Wafer Style API 6D Swing Check Valve,Wafer Pattern API 6D Swing Check Valve, We're one from the largest 100% manufacturers in China. Several large trading corporations import goods from us, so we will supply you with the most effective price tag with all the same quality if you are interested in us.
API 6D Wafer Swing Check Valve, In order to meet the increasing requirement of customers both home and aboard, we'll keep carrying forward the enterprise spirit of "Quality, Creativity, Efficiency and Credit" and strive to top the current trend and lead fashion. We warmly welcome you to visit our company and make cooperation.

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  • Wafer Api 6D Swing Check Valve

    Wafer Api 6D Swing Check Valve

    As the professional Chinese manufacturer, Yongyuan provides Wafer API 6D swing check valve for oil and gas fields. There’re three different working class 150#, 300# and 600# for selection, size ranges from 2” to 12”. The valves are designed to full bore for maxim flow and less clogging. Carbon steel ASTM A216 WCB is chosen for body material.
  • API 6D 3 PIECE Trunnion Ball Valve

    API 6D 3 PIECE Trunnion Ball Valve

    With 50years history, Yongyuan works as a reliable API 6D 3 PIECE Trunnion Ball Valve provider from China. The API 6D 3 PIECE trunnion ball valve complies with API 6D, ASME 16.34, API 608 and other relevant ASTM specifications. Valve body and adapter material is forged steel A105, fire safe graphite rings is used to protect against external leakage. Every valve is manufactured to comply with NACE standards. It’s suitable for pipeline where zero leakage positive shutoff is critical.
  • API 6D Flanged Swing Check Valve

    API 6D Flanged Swing Check Valve

    Yongyuan is the professional API 6D flanged swing check valve manufacturer in China. All valves passed through pressure test before dispatch. Most of our check valves shipped to North American markets. The working pressure covers class 150#, 300# and 600#. Carbon steel WCB or LCC can be chosen for valve body on request. Size ranges from 2” to 12”. These valves are widely used in oil and gas industry.
  • Threaded Spring Check Valve

    Threaded Spring Check Valve

    As the professional manufacturers, Yongyuan would like to provide you Threaded Spring Check Valve. And we will offer you the best after-sale service and timely delivery.
  • Cast Steel Trunnion Mounted Ball Valve

    Cast Steel Trunnion Mounted Ball Valve

    Yongyuan cast steel trunnion mounted ball valves have been pressure-tested before shipment to meet API requirements and used in transmission pipelines, terminals and storage of oil and gas fields. All these valves are in strict accordance with ASTM, API and other standards. The positive stem retention is achieved within the valve body.
  • Forged Steel Trunnion Mounted Ball Valve

    Forged Steel Trunnion Mounted Ball Valve

    Yongyuan forged steel trunnion mounted ball valve is manufactured to comply with NACE standards. It’s the best choice for pipeline where zero leakage positive shutoff is critical.These valves comply with API 6D, ASME 16.34, and relevant ASTM specifications. The forged steel A105 is chosen for valve body and adapter, fire safe graphite rings is used to protect against external leakage.
  • Related Blog
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  • Ball valve features

    The sealing ring is made of alloy steel surfacing, so the hard-sealed ball valve will not cause much wear when opening and closing. (Its hardness coefficient is 65-70)

  • What Materials Are Commonly Used for Ball Valves?

    Ball valves are essential components in various industrial and commercial applications, known for their ability to provide reliable shutoff and control of fluid flow.

  • Classification of check valves.

    Classification of material
    1. Cast iron check valve
    2. Brass check valve
    3. Stainless steel check valve
    4. Carbon steel check valve
    5. Forged steel check valve

  • What is the difference between trunnion mounted ball valve and floating ball valve?

    The world of valves can be complex, especially for those who are not familiar with the various valve types. Two common ball valve types are the trunnion ball valve and the floating ball valve. While both perform the same function of regulating flow, there are differences in their design and functionality that make them suitable for specific applications.

  • NPT check valve: reliable anti backflow, suitable for harsh working conditions

    Zhejiang Yongyuan Valve Co., Ltd. was established in 1967 and is a leading enterprise in valve intelligent manufacturing with over 50 years of experience in the entire industry chain. Our company has obtained international authoritative certifications such as API 6D certification from the American Petroleum Institute, API607/6FA fire certification, T Ü V SIL functional safety certification, etc.

  • How Check Valves Work in Piping Systems

    Check valves are essential components in piping systems, designed to allow fluid to flow in one direction while preventing backflow.

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