Technical data | |
Orifice | DN 4 to 50 |
Body material | Cast stainless steel 316L / 1.4435 |
Actuator material | |
Actuator / Cover | PPS / Stainless steel 1.4561 (316Ti) |
Diaphragm materials | EPDM (AB), PTFE/EPDM (EA) |
| EPDM (AD), advanced PTFE/EPDM (EU) and FKM (FF) on |
| request |
Media | Neutral gases and liquids, high purity, sterile, aggressive |
| or abrasive fl uids |
Viscosity | up to viscous |
Surface finishes | (average surface fi nish) |
internal mechanical polished | Ra ≤ 0.8 μm (external cast surface) |
internal electro polished (on request) | Ra ≤ 0.6 μm (external cast surface electro polished) |
Medium temperatures | |
EPDM (AB), PTFE/EPDM (EA) | -10 to +130 °C (steam sterilisation +140 °C for 60 min) |
EPDM (AD), advanced PTFE/ | -5 to +143 °C (steam sterilisation +150 °C for 60 min) |
EPDM (EU) | |
FKM (FF) | 0 to +130 °C (not recommended for steam) |
Ambient temperature | +5 to +60 ºC |
Control medium | Neutral gases, air |
Max. pilot pressure | max. 10 bar, 7 bar with actuator size 130 mm |