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China API 6D 2-Piece Trunnion Ball Valve Manufacturers, Suppliers, Factory

Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for API 6D 2-Piece Trunnion Ball Valve,API 6D Two-Piece Trunnion Ball Valve,API 6D Full Bore 2-Piece Trunnion Ball Valve, We welcome new and aged shoppers from all walks of daily life to call us for long term business associations and mutual accomplishment!
API 6D 2-Piece Trunnion Ball Valve, High output volume, top quality, timely delivery and your satisfaction are guaranteed. We welcome all inquiries and comments. We also present agency service---that act as the agent in china for our customers. If you are interested in any of our products and solutions or have an OEM order to fulfill, make sure you feel free to contact us now. Working with us will save you money and time.

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  • API 6D 2 PIECE Trunnion Ball Valve

    API 6D 2 PIECE Trunnion Ball Valve

    As the professional Chinese manufacturer, Yongyuan would like to provide API 6D 2 PIECE trunnion ball valve, in strict accordance with ASTM, API and other standards. Each valve has been pressure-tested before shipment to meet API requirements. Positive stem retention is achieved within the valve body. They’re used in transmission pipelines, terminals and storage of oil and gas fields.
  • 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.
  • Oilfield Threaded Ball Valve

    Oilfield Threaded Ball Valve

    Yongyuan works as a China based OEM manufacturer for oilfield threaded ball valve. By utilizing our expertise in design and manufacturing, we provide NPT ball valves for oil and gas industry. All these valves conform to NACE MR0175 requirements. They’re full opening to ensure a low pressure drop. Body materials are available in cast iron and cast steel. NPT threaded ends are on both sides.
  • 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.
  • Ductile Iron Threaded End Ball Check Valve

    Ductile Iron Threaded End Ball Check Valve

    As the professional manufacturers, Yongyuan would like to provide you high quality Ductile Iron Threaded End Ball 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.
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    Threaded ball valve, as an indispensable control element in the pipeline system, integrates core components such as ball, valve seat and valve stem, showing its unique advantages.

  • What Are the Advantages of Using API 6D Swing Check Valves in High-Pressure Applications?

    Discover the benefits of utilizing API 6D swing check valves for high-pressure scenarios! Learn how this type of valve can improve safety and efficiency in a variety of applications.

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  • 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.

  • What Makes an API 6D Ball Valve Essential for Modern Pipeline Systems?

    ​The API 6D Ball Valve plays a critical role in today’s oil, gas, and pipeline transportation industries, where safety, reliability, and compliance are non-negotiable. Designed according to the stringent requirements of the American Petroleum Institute, API 6D ball valves are widely recognized for their robust construction, tight sealing performance, and suitability for long-distance pipeline systems. Manufacturers such as ZHEJIANG YONGYUAN VALVE CO.,LTD. have continuously optimized these valves to meet global engineering demands while maintaining cost efficiency and long service life.

  • How Does a Threaded Spring Check Valve Ensure Reliable Backflow Prevention in Compact Piping Systems?

    This article provides a comprehensive technical examination of the Threaded Spring Check Valve, exploring its design principles, spring-assisted closure mechanisms, and critical role in preventing backflow across diverse piping systems. The discussion covers threaded connection standards, material compositions, pressure ratings, installation orientations, and the operational advantages that distinguish spring-assisted check valves from gravity-dependent alternatives.

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