RUVAC WSU 251
| Connection flange: |    DN 63 PN6 | 
| Max. permissible pressure difference: |    80 mbar | 
| Nom. pumping speed (50 Hz): |    253 m3 · h-1 | 
| Rotational speed (50/60 Hz): |    3000 / 3600 min-1 | 


