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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.
Table 1 Specification
GLD-051
GLS-051
Model
50Hz 60Hz 50Hz 60Hz
Type
Sliding vane 2 stages
Sliding vane 1 stage
Pumping
speed L/min
50 60 50 60
G.V. Close
6.7
×
10
-1
9.3
Ultimate
pressure
G.V. Open
Pa
6.7
－
V
Single Phase,
100(50/60Hz), 110(60Hz)
Single Phase,
100(50/60Hz), 110(60Hz)
Motor
W, Poles
200, 4
200, 4
Full load current
A
5.6(100V)
4.8(100V)
5.1(110V)
5.6(100V)
4.8(100V)
5.1(110V)
Motor revolution
r/min
1,440(100V) 1,730
(100V)
1,740(110V)
1,440(100V) 1,730
(100V)
1,740(110V)
Weight kg
13.9 12.9
Recommended
SMR-100
Pump
oil
Capacity
mL
500 to 800
400 to 700
Inlet port diameter
KF-25(NW-25)
Note 1:
Ultimate pressure indication by Pirani gauge.
Note 2:
Vapor pressure, viscosity, or characteristics of vacuum pump oils are different
respectively. Our recommended oil is SMR-100.
Note 3: “G.V.” is an abbreviation for gas ballast valve.
