Pump type
Characteristics
Hena 631
● Nominal pumping speed
─ 50 Hz: 630 m
3
/h
─ 60 Hz: 760 m
3
/h
● Vacuum connection and gas outlet: G 3"
● Operating fluid return via the float valve
● Gas ballast unit with shut-off valve
● Oil/water heat exchanger (optional)
Hena 631 K
As per Hena 634, in addition with:
● Intake flange DN 160 ISO-F for direct assembly of a roots pump
● Base frame
Tbl. 4:
Features of the rotary vane pumps
3.4 Scope of delivery
● Rotary vane vacuum pump with motor
● Operating fluid
● Locking caps for vacuum and exhaust connection
● Operating instructions
Product description
20/70