API 6D Certified Top Entry Ball Valve – High-Pressure & In-Line Maintenance
Key Structural Features
✅ Top Entry Design:
Forged/Cast Body (ASTM A105/F316/A216 WCB/A351 CF8M): One-piece symmetric construction (ASME B16.34) for ANSI 150~2500 Class pipelines.
In-Line Maintenance: Repair seats/stem without removing the valve from the pipeline (API 6D compliant).
✅ Zero-Leakage Sealing:
Blowout-Proof Stem: Anti-static device with API 607 fire-safe graphite packing.
Concession-Type Seat: Oblique-angle seat retainer prevents debris accumulation, ensuring bubble-tight closure.
✅ Full/Reduced Bore Options:
Full Port (ANSI 150~2500): Minimal pressure drop for crude oil, gas, or chemical transfer.
Reduced Port: Precise flow control in refinery or power plant systems.
✅ Versatile Configurations:
End Connections: Flanged (RF/RTJ), butt weld (ASME B16.25), or hub ends.
Actuation: Manual lever, worm gear, pneumatic, electric (ISO 5211 top flange).