Ewom Valve specializes in a comprehensive range of trunnion ball valves, meticulously crafted to meet the most demanding industry specifications. Available in sizes ranging from 2 to 48 inches, our valves cater to a wide array of requirements. Our product lineup offers choices across ANSI Classes 150 to 2500, featuring forged steel bodies with options for electroless nickel plating or stainless steel trim. Additionally, we provide models with full stainless steel bodies and trim to meet specialized needs.

Our trunnion ball valves come equipped with standard double block and bleed functionality, along with emergency sealant injection fittings, ensuring both optimal safety and peak performance. These valves are purposefully designed to meet NACE and fire-safe standards, highlighting our unwavering commitment to quality that consistently exceeds industry benchmarks.

For your peace of mind, we supply comprehensive mill test reports with each product, reaffirming our dedication to transparency and unwavering product excellence. If you require further information about our top-tier trunnion ball valves, please feel free to contact us. Your satisfaction remains our utmost priority.


 Trunnion Ball Valve Information

Valve Type Trunnion Ball Valve
Valve Size Range 2″ – 48″
ANSI Classes 150 – 2500
Body Material Options Forged Steel, Stainless Steel
Trim Material Options Electroless Nickel Plating, Stainless Steel
Specialized Models Available Full Stainless Steel Body and Trim
Valve Functionality Double Block and Bleed, Emergency Sealant Injection
Compliance Standards API 6D,NACE, Fire-Safe
Pressure Rating Varies by ANSI Class (e.g., 1500 psi for Class 150, 6000 psi for Class 2500)
End Connection Options Flanged, Welded, Threaded, Socket Weld, Butt Weld
Actuator Options Manual, Electric, Pneumatic, Hydraulic, Gear, etc.
Certifications API 6D, ISO 9001, ISO 14001, OHSAS 18001, etc.
Testing Standards API 598, API 6D, API 607, etc.
Quality Assurance Comprehensive Mill Test Reports
Warranty    2 year from the shipment or 18 months for valve installed
Customer Support    sale@ewomvalves.com wechat/whatsapp 8615825400387
Priority Customer Satisfaction is Our Utmost Priority

Why Opt for Trunnion Ball Valves?

Trunnion ball valves offer a robust solution for precise flow control. These valves employ a rotating ball and stem mechanism to regulate the flow on and off. When the valve aligns its bore with the pipeline, it’s in the open position, permitting fluid to flow downstream. A simple 90-degree rotation shifts the bore perpendicular to the flow path, sealing the valve and preventing fluid passage.

Here are the key benefits of trunnion ball valves:

Swift Shut-Off: Trunnion ball valves ensure rapid closure, requiring just a 90-degree turn to halt the flow.

User-Friendly: The valve’s open or closed status is easily discernible by the handle’s position, enabling straightforward operation.

Reliable Sealing: Trunnion ball valves maintain a secure seal, even after extended use, thanks to their soft sealing components.


Trunnion-mounted ball valves incorporate a distinctive “trunnion” anchoring at both the top and bottom of the ball. This design guarantees a secure seal on both downstream and upstream seats, irrespective of pressure levels. It facilitates Double Block and Bleed or Double Isolation and Bleed functions, making trunnion ball valves an ideal choice for larger-bore and high-pressure applications.

Furthermore, the trunnion design reduces the torque required to operate the valve, making it highly suitable for automated ball valve systems.

In summary, trunnion ball valves deliver outstanding performance, reliability, and versatility, making them the preferred solution for a wide range of industrial applications.




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