2201Q4JE-MY-C9-N_2018.01.
Chapter 3 Installation
Compound 2-stage Screw Compressor 4032**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)
I t e m
S i z e
Φ
A
Φ
B
Φ
C
Φ
D
E
UNC Bolt
Size
Qty
(Bolt)
Suction gas inlet
ANSI #300 16”
650
571.5
470
400
65
1-1/4-7
20
High-stage gas inlet
ANSI #300 12”
521
451
381
300
60
1-1/8-7
16
Low-stage gas outlet
ANSI #300 12”
521
451
381
320
60
1-1/8-7
16
High-stage discharge gas outlet
ANSI #300 8”
381
330
270
200
50
7/8-9
12
Lubricating oil inlet for low-stage TPTB
ANSI #300 2”
165
127
92
50
35
5/8-11
8
Lubricating oil inlet for low-stage main
bearing
ANSI #300 2”
170
127
92
40
35
5/8-11
8
Lubricating oil inlet for low-stage side
bearing
ANSI #300 1”
156
89
51
30
35
5/8-11
4
Oil inlet for oil injection
ANSI #300
2-
1/2”
190
149
105
65
40
3/4-10
8
Lubricating oil inlet for high-stage bearing
ANSI #
300 2”
165
127
92
45
35
5/8-11
8
Oil outlet of low-stage suction cover
ANSI #300 1/2”
95
66.5
35
18
25
1/2-13
4
Oil outlet of low-stage bearing head
ANSI #300 1”
124
89
51
23.5
35
5/8-11
4
Oil outlet of high-stage suction cover
ANSI #300 1/2”
95
66.5
35
18
30
1/2-13
4
Lubricating oil inlet for low-stage capacity
control (load)
NPT 3/4
-
-
-
-
-
-
-
Lubricating oil inlet for low-stage capacity
control (unload)
NPT 3/4
-
-
-
-
-
-
-
Lubricating oil inlet for high-stage capacity
control (load)
NPT 1/2
-
-
-
-
-
-
-
Lubricating oil inlet for high-stage capacity
control (unload)
NPT 3/8
-
-
-
-
-
-
-
Figure 3-2 Dimensions of the Joint (Compressor)
for the ANSI #300 Flange
