User's Manual Rev B / February 2021 / M125 Helium Compressor
97-00020-000
8
4.2
Specifications
The Model 125 Helium Compressor specifications are listed in Table 4-2 and Table 4-3.
compressor dimensions.
Table 4-2: Power Requirements for Model 125 Compressor
P/N
Model
Voltage (AC)
Hz
Phase
Avg.
AMPs
Recommended
Circuit Breaker
91-00003-0LW
Model 125 Water-cooled
208/230
50/60
1
5-9
15
91-00003-1LA
Model 125 Air-cooled
208/230
50/60
1
6-10
15
Table 4-3: Model 125 Compressor Specifications
Feature/Component
Specification Description
Physical Dimensions
•
Length 19.00 inches (483 mm)
•
Height 16.00 inches (406 mm)
•
Width 19.50 inches (495 mm)
Weight
150 lb. (68 kg)
Helium Pressure
•
Static: 190 ± 5 PSIG (13.1 ± .35 Bar)
•
Operating: 250 ± 10 PSIG (17.24 ± .69 Bar) (supply)
Interface
•
Cold head power connector mates with ASC and CTI drive
cables
•
Compressor power cord is equipped with a Hubbell No.
5G66C plug
•
Helium connections: 1/2-inch Male Aeroquip couplings
Adsorber Replacement Schedule
15,000 Hours (per elapsed time meter on the compressor) or 3
years, whichever comes first
Cooling Water
•
0.4 GPM (1.5 liters/min) minimum flow rate
•
80°F (26.7°C) maximum inlet water temperature
•
100°F (37.8°C) maximum outlet temperature
•
Recommended chiller capacity: 1 ton/per unit
•
Water line connector: 3/8” Swagelok
Air Cooling
•
Air-cooled units must maintain a minimum clearance of at
least 12” (305 mm) at both the front and rear grills
•
Maximum ambient temperature should not exceed 104°F
(40°C)
