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China Female NPT Swing-Type Check Valve Manufacturers, Suppliers, Factory

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    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.
  • API 6D Wafer Swing Check Valve

    API 6D Wafer Swing Check Valve

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

    Female NPT Ball Check Valve

    Yongyuan Female NPT ball check valve are provided from China directly. All these ball check valves conform to NACE MR0175 requirements. Body materials are available in ductile iron, carbon steel and stainless steel. They’re available in sizes 1” & 2”, pressure from 2000psi to 5000psi.
  • 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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    One is to prevent the backflow of the medium, the other is to prevent the reverse phenomenon of the stop pump and the motor, and the third is to prevent the leakage of the container medium.

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    As an efficient and versatile fluid control device, ball valves play a vital role in many industries. The following are the applications of ball valves in different fields:

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    The check valve is a key device that ensures that the fluid flows only in the preset direction in the pipeline.

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  • The benefits of Ball Valve

    Ball valves are essential components in the pipeline industry, providing several benefits over other types of valves. Ball valves are a type of quarter-turn valve that uses a hollow, perforated, and pivoting ball to control flow. The ball valve's mechanism allows for quick and efficient shutoff and flow control in a variety of environments, making them the go-to choice for many industrial applications.

  • 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.

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