Trunnion mounted ball valves feature: Full range 2 "- 42" , ANSI class 150LB - 2500LB, forged steel bolted bonnet or full welded body, Design of tight coupling trunnion block for low working torque, secondary seat sealant characteristics. API-6D valves are equipped with self-relieving seats or optional double piston sealing,also with special seat compounds. Each valve meets the requirement of API-6D, API 6FA and Nace Standard. Stem extensions, actuators, pipe pups and specialized coatings are as per customers’requirements.

Design Features

Trunnion mounted ball valves can produce according to API 6D and other design standard ;Minimum wall thickness as per ASME B16.34. Valves can be supplied with lever,gear box,actuator or bare shaft as per customer request.

1. ISO5211 platform design

2. Double block and bleed function

3. Anti-blow-out stem design

4. The pressure balancing hole is equipped on the steel ball

5. A device for cleaning the valve cavity in the body

6. Automatic pressure relief

7. Fire safe and antistatic design

8. Emergency sealant injection system

9. Multiple driving pattern can make automatic control

10. Reliable stem sealing and low torque. Metal-metal seat can be made according to requirements

Standard

Design & Manufacturing Standard：API 608, API 6D, ASME B16.34,