Trunnion Mounted Ball Valves

Trunnion Ball Valve Manufacturer: FlowBiz Exports

The FlowBiz Trunnion Ball Valve features a design where the ball is anchored at both the top and bottom. While a floating valve relies on the stem alone, the trunnion design utilizes a lower shaft (the trunnion) to hold the ball firmly in place. This prevents the ball from shifting under high pressure, allowing the seats to move toward the ball to create a seal, rather than the ball pushing into the seats.

Technical Specifications & Global Codes

Our Trunnion Ball Valves are manufactured to comply with the most stringent international engineering standards:

Feature

Standard / Code Compliance

Design Standard

API 6D / ASME B16.34 / BS EN ISO 17292

Testing

API 6D / API 598 / BS EN 1226-1

Fire Safety

API 607 (Certified Fire-Safe)

Face-to-Face

API 6D / ASME B16.10

Flange Dimensions

ASME B16.5 / ASME B16.47

Butt Weld Ends

ASME B16.25

Material Compliance

NACE MR0175 / ISO 15156-2 (Sour Service Ready)

Certifications

PED 2014/68/EU

Key Advantages of the Trunnion Design

  • Optimized for High Pressure: Because the ball is held in a fixed position, these valves can handle significantly higher pressures and larger sizes compared to floating ball valves without risking seat deformation.
  • Spring-Loaded Seats: FlowBiz uses independent spring-loaded seats that maintain constant contact with the ball, ensuring an effective seal even at low-pressure differentials.
  • Lower Operational Torque: The fixed position of the ball reduces friction against the seats, leading to lower operating torque. This translates to lower operational costs as smaller, more efficient actuators can be utilized.
  • Automatic Internal Pressure Relief: The seat design allows for the automatic discharge of excess pressure in the body cavity, a critical safety feature for liquid services.
  • Sour Service Compatibility: Compliant with NACE MR0175, making them ideal for oil and gas applications involving $H_2S$ (hydrogen sulfide).

Strategic Industrial Applications

  • Oil & Gas Pipelines: Mainline isolation and high-pressure transmission.
  • Petrochemical Refineries: Managing volatile hydrocarbons and high-temperature fluids.
  • Power Generation: High-pressure steam and utility water systems.
  • LNG / Cryogenic Service: Specialized designs available for extreme low-temperature liquefied gas handling.

Your One-Stop Flow Control Partner

FlowBiz Exports is a prominent manufacturer and supplier of a complete range of industrial valves, including Gate, Globe, Check, and Butterfly Valves, serving most critical sectors in India and overseas.

Contact Information

Reach out to the FlowBiz technical team for API 6D data sheets and customized quotes:

Request Your Quick Quote Today!

Secure your high-pressure infrastructure with the anchored reliability of FlowBiz Trunnion technology. We provide Easy and Quick Quotes at factory prices for domestic projects and international energy tenders.

Contact FlowBiz Exports Pvt. Ltd. now – Your leading partner for Trunnion Ball Valves.