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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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  • API 6D Floating Ball Valve

    API 6D Floating Ball Valve

    Yongyuan is the professional API 6D Floating Ball Valve manufacturer in China, with ISO 9001 certificate. We have been specialized in oil and gas fields for 25 years. Most of our ball valves shipped to American markets. The quality meet ASME B16.34 B16.10 B16.5 and BS5351. Carbon Steel WCB or Stainless Steel can be chosen for valve body and adapter on request. There’re three different working class 150#, 300# and 600# for selection. All valves passed through pressure test before dispatch.
  • 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.
  • 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 Ball Valve Bolted Body

    Threaded Ball Valve Bolted Body

    With 30 years manufacturing experience, Yongyuan provides durable threaded ball valve bolted body from China. These valves are produced in conformance to oilfield industry requirements. Two-piece bolted design with a flanged body and adapter, providing solid connection to eliminate risk of end adapter blowout. Ball includes pressure equalization hole to prevent trapped pressure in the body cavity.
  • Grooved Ball Valve Reduced Port

    Grooved Ball Valve Reduced Port

    Yongyuan works as the reliable grooved ball valve reduced port manufacturer in China. The end-entry valve designed for WOG services, normally used in oil and gas fields. It has a blow-out proof stem design, with low operating torque and high CV. Grooved end dimensions conform to AWWA C606. The working pressure is 1000psi for 2”-4” and 1500psi for 6”.
  • 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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  • 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)

  • Ball valve introdiction

    A ball valve is a type of valve which uses a hollow, spherical body (the ball) to control flow through it. The ball can be rotated (either manually or with an actuator) to change the flow of the fluid.

  • 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.

  • API 6D Floating Ball Valves

    API 6D Floating Ball Valves

  • Overview of Domestic and International Industrial Valve Product Standard Systems

    The main international industrial valve standards are primarily divided into two major systems: the CLASS series valve standard system represented by the American ASME-API-MSSAWWA, and the PN series valve standard system represented by the European EN-DIN-BS. Within the ASME-API-MSS-AWWA CLASS series valve standard system, it can be further divided into the standard series centered around ASME B16.34 and the heavy-duty valve standard series centered around API600, which is applicable to the heavy chemical industry fields such as petroleum, natural gas, and petrochemicals.

  • How To Operate The Globe Valve？

    For globe valves, it is necessary not only to be able to install and maintain, but also to operate. To open and close the globe valve, the force should be stable and not impactful. Some components of high-pressure globe valves for impact opening and closing have considered that this impact force cannot be equated with general globe valves.

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