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Double Block & Bleed Ball Valve
STANDARD DESIGN FEATURES
- Size range: 1.1/2” to 36”
- Rating class:
- API 6D: ASME 150-300-600-900-1500-2500 ANSI
- API 6A: API 2000-3000-5000-10000-15000 psi
- Forged body & closure – bolted
- Double ball & intermediate vent/drain
- Soft / metal seated with Tungsten Carbide Coating or Chrome Carbide Coating
- Internal protection on sealing areas CRA weld overlay or FBE lining
- Self-relieving or Double piston effect seats (DIB-1 or DIB-2)
- Anti-blow-out stem – antistatic device
- Construction and testing according to ASME B16.34/API 6D
- Fire safe API 6FA – API 607 – ISO 10497
- Materials according to NACE MR 01.75
- DBB type available also for Floating Ball Valves