Valbart® Top Entry Ball Valves Full bore
Valbart top entry ball valves support in-line inspection and maintenance without removing the valve from the pipeline. Two independent floating seats provide bidirectional sealing, while double block and bleed capability, a fire-safe design and an anti-blowout stem support dependable isolation in demanding service.
... Read more Read less- Independent ball and stem design reduces pressure-induced side thrust for more efficient operation
- Anti-static construction maintains electrical continuity across metallic components to support safer service
- Top-entry access simplifies in-line inspection and maintenance without removing the valve from the pipeline
- Low-emission design supports demanding pollution-control requirements
- Reduced leak paths compared with bolted-bonnet side-entry valve designs
- API 6D/6A
- ASME B16.34
- NACE MR0175
- API 6FA/API 607/API598
Size Range:
- 2 to 56 (API 6D Valves)
- 1 13/16" to 16 3/4" (API 6A Valves)
Pressure Class Range:
- Class 150 to 2500
- 2000 psi to 10000 psi
Seating Material: Soft or Metal
Standard
- Cast or forged components-bolted body design
- Seals: O-Ring + graphite fire safe
- Soft seated/Metal seated
- Fittings: Stem and seat greaser
- Self relieving or double piston effect seats
- Double block bleed
- Fire-safe
- Anti-static automatic
- Cavity relief
Cryogenic (-196 °C)
- Cast or forged components-bolted body design
- Seals: Lip-seal + graphite fire safe
- Soft seated/Metal seated
- Self relieving or double piston effect seats
- Double block bleed
- Extended bonnet
- Fire-safe
- Anti-static automatic
- Cavity relief
High Temperature
- Cast or forged components-bolted body design
- Seals: spiral wound or graphite
- Metal seated
- Self relieving seats
- Double block bleed
- Extended bonnet
- Fire safe
- Anti-static automatic
- Cavity relief





















