SLV
Pneumatic Center-Line Butterfly Valve
Center-line resilient-seated butterfly valve with pneumatic actuator (double-acting or spring-return), DN40–DN500; body and seat shared with the center-line series.
Actuator
| Acting type | pneumatic double acting / pneumatic spring return |
|---|---|
| Optional accessories | battery reversing valve, signal feedback device, filter regulating valve, locator |
| Size range | DN40 ~ DN500 |
Specifications (shared with center-line series)
| Connection type | wafer |
|---|---|
| Leakage class | RATE A EN 12266-2 (zero leakage) |
Materials (shared with center-line series)
| Valve body | cast iron / carbon steel / stainless steel / duplex steel |
|---|---|
| Valve stem | stainless steel |
| Valve seat | EPDM, NBR, PTFE, FKM, silicone rubber |

