Instructions Manual
－
Multiple Roots Type Dry Pump GR60/90/180
YK09-0023-DI-003-02
7
GR180
GR compatible
*1: The ultimate pressure is the value where the nitrogen gas (= Shaft seal gas) is 5.0 SLM.
*2: No condensation
*3: The flow rate of nitrogen gas (= Shaft seal gas) is 5.0 SLM constant.
*4: Pressure meter value adjusted by regulator
Cooling water
Supply water pressure
MPaG
0.1 - 0.3
Pressure difference between outlet
and inlet
MPaG
0.1
Supply cooling water temperature
℃
10 – 30
※
2
Flow rate
L/min.
5.0
Nitrogen gas
Supply pressure
MPaG
0.1 - 0.5
Adjusting pressure
*4
MPaG
0.05-0.10 (during the operation)
Gas flow rate
SLM
5.0
※
3
Frequency
Hz
50
60
Maximum exhaust
velocity
m
3
/hr
(L/min.)
183 (3100)
237 (3950)
Maximum intake
pressure
Pa
Atmospheric pressure
Ultimate pressure
Pa
5.0
※
1
Maximum exhaust
pressure
Pa
Atmospheric pressure
Motor
Totally enclosed fan, Flange type, Three-phase two-pole 7.5 kW AC motor
Intake port diameter
VG80
Exhaust port diameter
NW40
Lubrication
oil
Name
BARRIERTA J100FLUID(E)
（
or FOMBLIN YL-VAC 25/6
）
Atmospheri
c side
L
0.6
Vacuum
side
L
0.8
Weight
kg
268
200V/400V compatible motor
Frequency Hz
50
60
50
60
Voltage
V
200
220
240
200
208
220
240
380
400
415
380
440
460
Rated
current
A
25.7
23.9 23.8
25.7
24.4
23.0
21.7
13.8
13.6
13.8
13.5
12.0
11.9
Wire connection
Δ (delta) wire connection
Y (Y or Star) wire connection
Содержание GR60
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