RFQ: Double Block & Bleed Ball Valve
RFQ double block and bleed ball valves for isolation and venting. Quote from India.
Why this RFQ pattern
Metering and pipeline isolation BOQs call DBB ball valves for dual isolation with bleed.
BOQ wording
- DBB ball valve WCB Class 300 DN100 trunnion
- Double block bleed SS316 Class 150
- API 6D DBB ball full bore
Typical supply
| Type | DBB / DIB |
| Mount | Trunnion typical |
| Class | 150 / 300 / 600 |
| Standard | API 6D |
Checklist
- DBB vs DIB
- Class
- Bore
- Ends
- Bleed