1.2 Technical Data
SP 250 (50 Hz) SP 250 (60 Hz)
Type dry compressing screw vacuum pump
Effective pumping speed (- 5 %) m
3
· h
-1
270 330
Ultimate pressure, total mbar ≤ 0.01 ≤ 0.005
Permissible exhaust backpressure mbar + 200 mbar + 200 mbar
with reference to atmospheric pressure - 50 mbar - 50 mbar
Maximum permissible intake pressure mbar p
amb
+55 p
amb
+55
Maximum permissible intake temperature °C 100 100
Noise level
1
), k
pA
= 3 dB dB (A) ≤ 68 ≤ 72
Total weight, approx. kg 450 450
Dimensions (L x W x H) mm 1350 x 530 x 880 1350 x 530 x 880
Permissible ambient temperatures °C 10 to 40 10 to 40
Contamination grade
2
) 3 3
Water vapour tolerance (with gas ballast) mbar 60 75
Water vapour capacity (with gas ballast) kg/h 10 18
Relative atmospheric humidity
3
) % max. 95 max. 95
Installation location 0 - 3000 m (above sea level) 0 - 3000 m (above sea level))
Pump monitoring for pumps equipped Processing through Processing through
with an SP-Guard system controller system controller
Motor
Speed rpm 2910 3490
Nominal power rating kW 7.3 9.2
Nominal power rating at ultimate pressure kW 5.9 7.2
Nominal current at operating voltage and 50 Hz, ∆∆ 32 A / 200 V --
Nominal current at operating voltage and 50 Hz, ∆ 16 A / 400 V --
Nominal current at operating voltage and 60 Hz, ∆∆ -- 31.5 A / 210 V
Nominal current at operating voltage and 60 Hz, ∆ -- 15.5 A / 460 V
cos ϕ 0.88 0.85
Motor efficiency class
calculated and configured acc. to EN 60034-30 IE2 IE2
Type of motor protection IP 55 IP 55
Heat protection class F F
Temperature sensor in the motor coil PTC 160 °C - 5 °C PTC 160 °C - 5 °C
Operating mode S1 (continuous operation) S1 (continuous operation)
Operating agents
Cooling Air Air
Approved type of oil: LVO 210 l 7 7
To Next Page
Loading...
