TECHNICAL INSTRUCTION Sumitomo Heavy Industries, Ltd.
CSW-71C 2
1-1 SPECIFICATIONS
1 GENERAL INFORMATION
1-1 SPECIFICATIONS
The specifications of CSW-71C Helium Compressor Unit are summarized in Table 1.1.
Table 1.1 CSW-71C COMPRESSOR UNIT SPECIFICATION
for RDK-408D2, 415D for RDK-408S2, 408S, 400B
Dimension
Width
Length
Height
450.0 mm
500.0 mm*
686.5 mm
Helium Gas Pressure
Static
Operating (High Side)**
(for Reference)
1.60 - 1.65 MPa at 20 deg.C
2.00 - 2.20 MPa --- approx.
1.45 - 1.50 MPa at 20 deg.C
2.00 - 2.20 MPa --- approx.
Ambient Temperature Range
5 to 35 deg.C
(28 to 35 deg.C with 5% Capacity Loss)
Humidity Range
25 to 85 %RH
(without dew)
Mass
117 kg --- approx.
Electrical Requirement
Power Line Voltage
(+/-10%)
Operating Current
Min. Circuit Ampacity
Max. Fuse or
Circuit Breaker Size
Power Requirement
Power Consumption
AC 200V / 50, 60 Hz, 3 phase (3W+PE)
(delta:ground, Commercial Power Source)
“WARNING”
Do not use inverter for the main power source.
Max. 25 A
35 A
60 A
Minimum 9 kVA
Recommended 12 kVA
Max. 8.3 kW / Steady State 7.5kW at 60Hz
Max. 7.2 kW / Steady State 6.5kW at 50Hz
See the ELECTRICAL SCHEMATIC of “APPENDIX” for detail.
Cooling water requirement
Temperature Range
Flow Rate
Quality
“CAUTION”
Do not use the demineralized water for cooling water.
4 to 28 deg.C
See the Figure 1.1 and Table 1.2
7 to 10 liter/min at 28deg.C
See the Figure 1.1 and Table 1.2
See the Table 1.2
Pressure Relief Valve Setting
2.61 - 2.75 MPa
Gas Supply Connector
Gas Return Connector
1/2-inch Coupling
1/2-inch Coupling
* Input Power Cable Terminal Cover is 98.0 mm. See the Figure 1.2.
** The operating pressure varies according to the heat load of cold head and temperature around the equipment.
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