SLV
Manual Flanged Butterfly Valve
Manually operated (handle/handwheel) flanged butterfly valve from the center-line resilient-seated series, DN40–DN1000; specification shared with the center-line butterfly valve.
Specifications (shared with center-line series)
| Size range | DN40 ~ DN1000 (1.5" ~ 40") |
|---|---|
| Connection type | flanged |
| Top flange | ISO 5211 |
| Drive | handle, handwheel |
| Leakage class | RATE A EN 12266-2 (zero leakage) |
Materials (shared with center-line series)
| Valve body | gray cast iron / ductile cast iron / carbon steel / stainless steel |
|---|---|
| Valve disc | SS 304 / SS 316 / ductile cast iron |
| Valve stem | SS 410 / SS 304 / SS 316 / SS 630 |
| Valve seat | NBR / EPDM / PTFE / VITON / FKM / silicone rubber |
Standards
| Design standard | ISO 5208, AWWA C504, ASME B16.34 |
|---|---|
| Face to face | API 609, ISO 5752 |
