mycom 3225**C Series User Manual

2202MYJE-MY-C8-N_2018.02.
Chapter 3 Installation
Compound 2-stage Screw Compressor 3225**C 3.2 Installation Works
3-4
3.2.4 Preparation for Installation
 Installation Space
Secure sufficient working space for easy operation, cleaning, maintenance, and inspection.
 Illumination
Prepare illumination devices which allow easy operation, cleaning, maintenance, and inspection.
 Ventilation
If natural ventilation is insufficient, install ventilation fans according to the relevant regulations.
 Piping
Table 3-1 List of Connecting Pipes (Compressor)
Item
Dimensions
Remarks
Suction gas inlet
JIS 20K 350A (14")
See Figure 3-2.
Low-stage gas outlet
JIS 20K 200A (8")
High-stage gas inlet
JIS 20K 200A (8")
High-stage discharge gas outlet
JIS 20K 150A (6")
Lubricating oil inlet for low-stage bearing (journal)
JIS 20K 40A (1-1/2"）
Lubricating oil inlet for High-stage bearing (journal)
JIS 20K 25A (1"）
Oil inlet for oil injection
JIS 20K 20A (3/4"）
Oil return inlet
JIS 20K 32A (1-1/4"）
Oil return outlet of low-stage
JIS 20K 32A (1-1/4"）
Oil return outlet of High-stage
JIS 20K 20A (3/4"）
Lubricating oil inlet for low-stage capacity control (Load)
Rc3/8
Lubricating oil inlet for low-stage capacity control (Unload)
（Unload）
Rc3/8
Lubrication oil inlet for high-stage capacity control (Load)
Rc3/8・Rc1/2
Lubrication oil inlet for high-stage capacity control (Unload)
Rc3/8
Figure 3-2 JIS20K Flange Dimensions of Compressor (mm)
D
t
g
C
N-h
y
20A
100
4
51
75
4-M12×P1.75
21
25A
125
5
61
90
4-M16×P2
24
32A
135
5
71
100
4-M16×P2
30
40A
140
5
76
105
4-M16×P2
22
150A
305
5
216
260
12-M22×P2.5
35
200A
350
5
261
305
12-M22×P2.5
40
350A
540
5
480
480
16-M30×P3 (Special thread)
50

mycom 3225**C Series Specifications

General

Brand	mycom
Model	3225**C Series
Category	Compressor
Language	English