API 6D Top Entry Trunnion Ball Valve

API 6D Top Entry Trunnion Ball Valve


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GMK Trunnion mounted ball valves are designed in accordance with API 6D 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.


Product Range

-Valve size: 

2” ~ 24” (DN50-DN600)


 ANSI Class 150~1500(PN16-PN250) 

~ 500

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

Trim: Carbon Steel, Stainless Steel, Duplex Steel


Technical Specifications    

-Design: ASME 16.34/ API 6D

-Face to Face: ASME B16.10

-End Flange: ASME B16.5

-BW End: ASME B16.25

-Test: API 598/ BS 6755

-Fire Safe Test: API 607/API 6FA

-Special: NACE MR-01-75


Design Features

- Top Entry

-Full port or reduce port

- Fire Safe Design

- Trunnion Mounted Ball

-Double block & bleed

-Emergency sealant injection

-Cavity pressure self relief

-Blowout-proof stem

- Anti-Static Device

-Optional double piston design



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