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Forged Steel Trunnion Ball Valve, Adhering to the principle of "Enterprising and Truth-Seeking, Preciseness and Unity", with technology as the core, our company continues to innovate, dedicated to providing you with the highest cost-effective solutions and meticulous after-sales service. We firmly believe that: we're outstanding as we have been specialized.

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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.
  • Grooved Ball Valve Full Port

    Grooved Ball Valve Full Port

    Yongyuan is a large-scale grooved ball valve full port manufacturer in China. The full port design provides efficient control of fluid in piping systems. The valves are furnished with grooved ends conforming to AWWA C606 requirements. Two-piece and end-entry design, size ranges from 2” to 4”. The working pressure is 1000psi for 2”-3” and 750psi for 4”.
  • Threaded Swing Check Valve

    Threaded Swing Check Valve

    Threaded swing check valves are main products made by Yongyuan in China. These valves are designed to prevent backflow of liquid or gas in pipeline. Materials of construction conform to NACE MR0175. Solid stainless steel clapper and hanger reduce the need for separate pins and rollers. They’re available in sizes 1” to 4”, pressure from 2000psi to 5000psi. NPT threaded ends are on both sides.
  • 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.
  • 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.
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