Ulvac GLD-040 - 2 Outline of the Pump; Specification

-3-
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-137CC GLD-202BB
Model Unit
50 Hz 60 Hz 50 Hz 60 Hz
Type Rotary vane (2 vanes)
Pumping speed L/min 136 162 200 240
G.V. close 6.7×10
-1
Ultimate
pressure
G.V. open
Pa
6.7
Type
1-phase, 400W, 4 poles,
fully-closed external fan
1-phase, 550W, 4 poles,
fully-closed external fan
Motor
Voltage V
100-120/
200-240
100-120/
200-240
100-120/
200-240
100-120/
200-240
Full-load current A
6.8
(100-120V)
3.5
(200-240V)
5.8
(100-120V)
2.9
(200-240V)
8.2
(100-120V)
4.1
(200-240V)
7.9
(100-120V)
3.9
(200-240V)
Motor speed r/min
1455
(100-120V)
1455
(200-240V)
1750
(100-120V)
1750
(200-240V)
1435
(100-120V)
1435
(200-240V)
1730
(100-120V)
1730
(200-240V)
Standard
oil
SMR-100
Oil
Oil
amount
mL 1,000 1,100
Weight kg 29 31
Ambient temperature
range
℃
7 ～ 40 (If it falls below the 7 ℃,
operation start-up may be difficult.)
Installation features Indoor
Noise level dB (A) 57 or less(Ultimate pressure at 1m)
Inlet port diameter - KF-25 (NW-25)
Max. size mm 170(W)×487.5(L)×249.5(H) 170(W)×515.5(L)×249.5(H)
Leak rate Pa･m
3
/sec 1×10
-6
Note 1: Ultimate pressure indication by Pirani gauge.
Note 2: Vacuum pump oils have different steam pressures, viscosities, and oil properties depending
on the type. Always use the oil sealed rotary vacuum pump oil specified by us. The use of
other oils will affect the pump’s performance.
Specified oil: SMR-100
Note 3: “G.V.” is an abbreviation for gas ballast valve.
Note 4: The motor voltage is switched between 100-120V and 200-240V by the changeover switch
in the terminal box.