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Top Entry Ball Valves
Trunnion mounted spring energized seats
Our trunnion mounted top entry high performance ball valves are engineered to meet international standards like API 6A, API 6D, ASME B16.34, ISO 17292 and others on request. The range contains both soft, metal or composite seats that can be configured with single or double piston effect to provide an effective double block and bleed (DB&B) in both closed and, on request, in open position.
- Soft, metal or composite material seated.
- Bi-directional tight shut-off.
- Double block & bleed.
- Fire safe and fire tested.
- Low operating torque design.
- Wide range of materials and sizes.
- Spring loaded seats.
- Trunnion mounted with energized seats.
- Anti-blowout stem design.
- Suitable for above ground or below ground installation.
- Soft, metal or composite material seated.
- Light weight cast body.
- Class V shut-off.
- Graphite stem packing.
- Forged design.
- No trim in steam flow.
- Tapered profile to minimise flow induced vibration.
- Variable spray nozzle.

Product Specifications

End connections
- ANSI flanges:ANSI B16.5 for sizes up to 24”,ANSI B16.47 for sizes 26” and larger
- Compact flanges:NORSOK L-005
- Hub connectors:All major hub end designs available
- Welding ends:Butt welding to ANSI B16.25 or equivalent Socket welding to ASME B16.11 Pup pieces available on request
Sizes
- Nominal pipe size 1/2” through 60” (DN15 through DN1500
Pressure rating
- ANSI Class 150 through 2500 and 4500
- API 2000 through 15000
Temperature range
- From -196°C to 650°C (-321°F to 1200°F)
Find your perfect flow control solution