Category: Trunnion Mounted Ball Valve

Name: Worm gear operated butt welded trunnion mounted ball valve

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Worm gear operated butt welded trunnion mounted ball valve


Robinson trunnion mounted ball valves are designed in accordance with API6D featuring 2 pc or 3 pc split body side entry or top entry design.

Wide range of sealing material including PTFE, Peek, Devlon, Nylon etc, valve can be used in working temperature range -46℃~ 500℃. 

This series of valves are optional designed with Double block and bleed or double piston type.All valves are equipped with sealant injection system

for both stem and seats to allow external intervention to prevent seat or stem leakage. The top entry ball valve can be used for in-line

 maintenance services. The full range of trunnion mounted ball valves is fire safe test as per API607 and API6FA. 


 3 PC Side Entry

Size : 1-1/2~60”(DN40~DN1500)

Rating : 150~2500LB(PN16~PN420)

Body Materials : Forge Carbon Steel, Stainless Steel, Duplex Steel

Trim : Carbon Steel, Stainless Steel, Duplex Steel

Connection:Butt weld



Design Feature  

Full port or reduce port

Fire safe certified

Double block & bleed

Emergency sealant injection

Cavity pressure self relief

Blowout-proof stem

Antic-static

Optional double piston design





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