mycom 3225MSC

2202MYJE-MY-C8-N_2018.02.
Chapter 2 Compressor Specifications and Structure
Compound 2-stage Screw Compressor 3225**C 2.3 Compressor Specifications
2-3
Table 2-2 3225**C Screw Compressor Specifications (1/2)
Items
Model
MLC
MMC
MSC
SLC
SMC
SSC
Product mass
kg
3290
3240
3160
3150
3100
3020
Low-stage swept volume
@3550 min
-1
/2950 min
-1
m
3
/h
4760
/3960
4760
/3960
4760
/3960
3820
/3170
3820
/3170
3820
/3170
High-stage swept volume
@3550 min
-1
/2950 min
-1
m
3
/h
2840
/2360
2380
/1980
1900
/1580
2840
/2360
2380
/1980
1900
/1580
Refrigerant
-
Ammonia, Hydrofluorocarbon, etc.
Design pressure
MPa
2.6
Capacity control (Actual load)
%
10 to 100
Rotation direction
-
Counterclockwise viewed from motor
Connected
pipe size
Low-stage suction
flange
-
JIS 20K 350A (14”)
Low-stage discharge
flange
-
JIS 20K 200A (8”)
High-stage suction
flange
-
JIS 20K 200A (8”)
High-stage discharge
flange
-
JIS 20K 150A (6”)
Journal lubrication
(low-stage)
-
JIS 20K 40A (1-1/2”)
Journal lubrication
(High-stage)
-
JIS 20K 25A (1”)
Oil injection
lubrication
-
JIS 20K 20A (3/4”)
Oil return Inlet
(Rotor casing)
-
JIS 20K 32A (1-1/4”)
Oil return outlet
(Low-stage Bearing
cover)
-
JIS 20K 32A (1-1/4”)
Oil return outlet
(High-stage Suction
cover)
-
JIS 20K 20A (3/4”)
Low-stage capacity
control
-
Load: Rc3/8, Unload: Rc3/8
High-stage capacity
control
-
Load: Rc3/8・Rc1/2, Unload: Rc3/8
 Unless otherwise noted, the pressure unit MPa represents the gauge pressure
in this manual.
 For limits of working temperature and pressure, see "2.3.2 Operation Limits" in
this manual.