TIANYU are top of the best professional Trunnion-Mounted Ball Valve Manufacturers in China.
Design Standards: API 6D, API 608, ISO 17292, BS 5351
Size Range: 1/4 – 60 Inch
Pressure Range: Class 150-2500 LB, 10000 PSI (API 6A Products)
Material Range: Cast Steel, Forged Steel, Carbon Steel, Stainless Steel, Alloy Steel, Bronze, Ti
End Connections: Flanged (FF, RF, RTJ), Socket Weld (SW), Threaded (NPT, BSP), Butt Weld (BW), HUB
Body Structures: End Entry, Top Entry (easy for on-line maintenance)
Body Types: 2pc split body, 3pcs split body
Body&Bonnet Connection: Bolted Bonnet, Full Welded Bonnet (for Hazardous service need longer working life with less leakage point)
Trunnion Mounted ball valves excel in high-pressure, low-torque, and bidirectional sealing for industries.
The trunnion-mounted ball valve is mainly used in the pipeline for on-off applications.
Trunnion Mounted ball valves have become the preferred choice for large-diameter and high-pressure pipeline systems in industrial fields due to their high-pressure stability, low-torque operation, and bidirectional sealing capability. They excel particularly in scenarios requiring long-term reliable sealing and safe shut-off.
TianYu Trunnion Mounted Ball Valve is a type of ball valve with a fixed ball supported by trunnions, or pivots, at the top and bottom, providing stability and reducing the torque required to operate the valve. This design allows for better handling of high-pressure applications and larger valve sizes. The trunnion supports absorb the pressure load, making the valve suitable for demanding environments. Trunnion ball valves offer reliable sealing and minimal leakage, making them ideal for use in oil and gas, petrochemical, and industrial applications. Their robust construction ensures durability, low maintenance, and efficient performance in critical systems.
The ball is fixed by a stem and trunnion, and the seats are a spring-loaded assembly of seat retainer (Metal) and seat insert (Soft). Under low pressure the spring will force the seat to ball and when under high pressure, the fluid will push the seats to seal. Compared with floating valves, it has a wider size and pressure range, with lower operation torque which can save the actuator cost.
Our products and services comply with international standards and specifications to make sure that we only produce the best and highest quality products and services to our clients.
We offer tailor-made industrial valves to ensure that our product fits your application standards and demand. TIANYU is ISO, API, MSS, and ASME compliant to guarantee you the highest product quality.
As a business partner, TIANYU makes sure that we commit to our clients’ requested deadline because we very much understand the importance of adhering to the timeline required.
TIANYU’s service does not end once our industrial ball valves are being delivered. Also, we offer warranties and provide customer service to our clients as part of our quality service.
Tianyu Professional China Valve Manufacturers and Supplier Conforming ISO APl CE certification standards
Send us a message if you have any questions or request a quote. Our experts will give you a reply within 24 hours and help you select the right valve you want.
Founded in 2009, Wenzhou Tianyu Valve Technology Co., Ltd. is a professional valve enterprise integrating design, development, production, and sales services, located in the hometown of Chinese valves – Oubei Town, Wenzhou.
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