RFQ: Diaphragm Valve (Weir / Straight-Through)
RFQ weir and straight-through diaphragm valves rubber/PTFE lined for slurry and corrosive duty. Quote India.
Why this RFQ pattern
Chemical and slurry packages specify diaphragm valves where stem packing leakage must be avoided.
Real BOQ wording we see
- Diaphragm valve weir type DI body EPDM DN50 PN10
- PTFE lined diaphragm valve DN80 flanged
- Straight through diaphragm valve rubber lined DN100
Typical supply scope
| Parameter | Typical supply |
|---|---|
| Pattern | Weir / straight-through |
| Body | CI / DI / lined |
| Diaphragm | EPDM / PTFE / butyl |
| Ends | Flanged |
| Operation | Handwheel / pneumatic |
RFQ checklist
- Pattern weir vs ST
- Diaphragm material
- Media temperature
- Ends
- Actuation
Related pages
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