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２．
Outline of the pump
2.1
Specification
This oil sealed rotary vacuum pump is a rotary vane pump (hereinafter called Gaede type
pump) in which the pump is directly driven by the motor. Since the pump is small, light,
and quite simply constructed, it is easily maintained and repaired.
Model
Type
Pumping speed
Ultimate Pressure
Type
Voltage
Motor
Thermal
Class
Full-load current
Motor speed
Standard
oil
Oil
Oil
amount
Weight
Ambient temperature
range
Installation features
Noise level
Inlet port diameter
Max. size
Leak rate
IP Class
Note 1: The ultimate pressure values in the above table are indicated by a Pirani gauge
Note 2: The vacuum pump oil please uses our designated oil turn vacuum pump oil. (designated
oil： R-2)
Note3: If the oil temperature is lower than 7 °C, operation start-up may be difficult. Operation
start-up may be difficult.
Table 1.Specification
GHD-031A
Unit
50Hz
-
30
L/min
Pa
-
100-110
V
-
1.85(100V)
A
1.80(110V)
2500(100V)
r/min
2600(110V)
-
mL
ｋg
℃
-
dB(A)
50or less (Ultimate pressure at 1m. With OMT-050A)
-
mm
3
Pa･m
/sec
-
－5－
60Hz
50Hz
Rotary vane (2 vanes)
36
-1
6.7×10
1φ.100W.2P.Capacitor Run
100-120
Ｅ
1.89(100V)
0.94(200V)
1.71(120V)
0.84(240V)
3100(100V)
2400(200V)
3300(120V)
2600(240V)
R-2
370
9.3
7～40
Indoor
KF-16(NW-16)
120(W)×288.5(L)×163(H)
-6
1×10
20
GHD-031B
60Hz
30
36
200-240
1.02(200V)
1.03(240V)
2900(200V)
3100(240V)
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