Product features
| Technical data | ||
|---|---|---|
|
Materials Body: Diaphragm: Other gas-wetted parts: valve seat and stem: |
stainless steel 1.4404 ESU (SS 316L remelted) Hastelloy C276 stainless steel 1.4404 ESU (SS 316L remelted) PCTFE |
|
|
Surface roughness optional: |
Ra ≤ 0,25 µm Ra ≤ 0,18 µm |
|
|
Leak rate to atmosphere: via seat: |
< 1 x 10-9 mbar l/s He < 1 x 10-6 mbar l/s He |
|
| Cv-value | 0,24 (kv = 0,2) | |
| Temperature range | -20°C to +70°C | |
