RFQ: Cryogenic Ball Valve (Extended Bonnet)
RFQ cryogenic ball valves SS316/CF8M extended bonnet, Class 150-300, LNG and cold box duty. Quote from Ahmedabad India.
Why this RFQ pattern
EPC cold-box and LNG packages repeatedly call extended-bonnet floating or trunnion ball valves in SS316 with cryogenic seat materials.
Real BOQ wording we see
- Ball valve cryogenic SS316 Class 150 RF flanged extended bonnet DN50
- Cryogenic ball valve CF8M CL300 BW ends with PCTFE seats
- LNG ball valve SS316L extended stem Class 150 fire safe
Typical supply scope
| Parameter | Typical supply |
|---|---|
| Body / trim | SS316 / CF8M typical |
| Ends | RF flanged, BW, or SW as specified |
| Seat | PCTFE / PTFE cryogenic grade |
| Class | 150 / 300 common; confirm |
| Docs | MTC 3.1, cryogenic seat test if specified |
RFQ checklist
- Design temperature and medium
- Floating vs trunnion
- Fire-safe / antistatic
- End connection and face-to-face
- Actuation if any
Related pages
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