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China Cast Steel Ball Valve Manufacturers, Suppliers, Factory

"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for Cast Steel Ball Valve,Cast Steel Mounted Ball Valve,Cast Steel Trunnion Ball Valve, Adhering into the business enterprise philosophy of 'customer initial, forge ahead', we sincerely welcome purchasers from at your home and abroad to cooperate with us.
Cast Steel Ball Valve, Our company adheres to the spirit of "lower costs, higher quality, and making more benefits for our clients". Employing talents from the same line and adhering to the principle of "honesty, good faith, real thing and sincerity", our company hopes to gain common development with clients from both at home and abroad!

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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.
  • 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 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.
  • Threaded Ball Check Valve

    Threaded Ball Check Valve

    Yongyuan can supply threaded ball check valve directly from China, with high quality and competitive price. They’re available in sizes 1” & 2”, pressure from 2000psi to 5000psi. Body materials are available in ductile iron, carbon steel and stainless steel. All of our ball check valves conform to NACE MR0175 requirements. We test every valve to API 598 requirements and maintain material traceability.
  • 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 Threaded Vertical Check Valve

    Female Threaded Vertical Check Valve

    Yongyuan is a leading China Female Threaded Vertical Check Valve manufacturers, suppliers and exporter.
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  • What Are the Applicable Occasions for Check Valves?

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

  • Can threaded swing check valves be used in high-pressure applications?

    Exploring the Suitability of Threaded Swing Check Valves for High-Pressure Applications

  • 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.

  • API 6D Swing Check Valves

    API 6D Swing Check Valves

  • The key role and selection points of threaded check valves in industrial fluid systems

    In industrial fields such as petroleum, chemical industry, and electric power, the safety and stability of fluid transportation systems directly affect production efficiency and equipment life. As an indispensable "one-way checkpoint" in the pipeline system, the threaded check valve has become the preferred control element for small and medium-sized pipelines due to its compact structure, reliable sealing and convenient installation characteristics. This article will discuss its technical advantages and industry experience in selection in combination with actual application scenarios.

  • What Makes a High-Quality Ball Valve Essential for Industrial Fluid Control?

    In industrial systems where the precise control of liquids, gases, and slurries is critical, the ball valve stands as a cornerstone of reliable operation. From oil and gas pipelines to chemical processing plants, water treatment facilities, and manufacturing lines, ball valves regulate flow with unmatched efficiency, durability, and precision. Unlike other valve types, their design—featuring a hollow, perforated ball that rotates to open or close—allows for quick shutoff, minimal pressure drop, and resistance to leakage, making them indispensable in high-stakes environments.

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