Instruction manual
2.3 Services
Electrical supply
Number of phases 3
Supply voltage 200/220-240/380-415 V at 50 Hz,
200/208-230/380/460 V at 60 Hz
Voltage tolerance ±6% except for 200 V at 50/60 Hz
and 380 V at 60 Hz which are ±10%
Cooling-water supply
Ryznar Stability Index (RSI) 6.5 to 7.0
Water consumption at 20
o
C (TCV setting: 3 to 3.5) 100 l h
-1
Maximum supply pressure 100 psi
Minimum required pressure differential
across supply and return 30 psi
Nitrogen supply (if fitted)
Supply pressure 5 to 10 psig
Maximum flow rate 100 l min
-1
2.4 Temperature control system
Thermostatic control-valve
Type Danfoss AVTA
Maximum operating temperature 130
o
C
Maximum sensor temperature 90
o
C
Thermal snap-switch
Manufacturer Microtherm
Opening temperature 71 ± 3
o
C
Contact rating
Maximum voltage/current 240 V/2.9 A
2.5 Lubrication system
Note: BOC Edwards Material Safety Data Sheets for the oils and greases referenced below are available
on request.
Gearbox
Fluid capacity (timing gearbox) 1.2 litres
Grade of oil SAE 40
ISO viscosity grade 150
Recommended perfluoropolyether oils Fomblin Y25 or Krytox 1525
High vacuum bearings
Grease type Perfluoropolyether
Recommended grease Fomblin RT15, Krytox 240AD
2.6 Noise data
If the DP180 is not fitted inside an acoustic enclosure, under certain pumping conditions the
continuous A-weighted sound pressure level can reach 90 dB(A).
6 DP180 Dry Vacuum Pump










