model | D343H-10C/16C/25C/40C | D343H-10P/16P/25P/40P | D343H-10R/16R/25R/40R | |
Working Pressure (MPa) | 1.0~4.0 | |||
applicable temperature (ºC) | ≤425 | ≤200 | ||
Applicable medium | Water, oil, or non-corrosive media | Nitric acid media | Acetic acid media | |
material | Valve body, butterfly plate | WCB | CF8/304 | CF3M/316L |
valve stem | 2Cr13 | 304 | 316L | |
Seal surface of valve body | The pile welding 507 | - | - | |
Butterfly plate sealing surface | 304 + flexible graphite | 304+PTFE | 304+PTFE | |
filling | flexible graphite | PTFE | PTFE |