070.550-IOM (JUN 2016)
Page 10
NGC GAS ROTARY SCREW COMPRESSOR
INSTALLATION
Figure 5. Port Locations, NGC 300.
NGC 300
S
YMBOL
POR
T SIZE
AD
AP
TER
DES
CRIP
TION
P
1 1/16-12UN-2B Str
aight Thr
ead O-ring
1/2-14 NP
TF
Manif
old Bloc
k Pr
es
sur
e
SB-3
1 1/4 Squar
e Flange
—
Compr
es
sor Oil Supply
S
C-
5
9/16-18UNF-2B Str
aight Thr
ead O-ring
1/4-18 NP
TF
Inlet Pr
es
sur
e
S
C-
6
9/16-18UNF-2B Str
aight Thr
ead O-ring
1/4-18 NP
TF
Dis
char
ge Pr
es
sur
e
S
C-
7
1/8-27 NP
TF
—
Seal W
eepage
S
C-
8
1 5/16-12UN-2B Str
aight Thr
ead O-ring
—
Closed Thr
ead Dr
ain
S
C-
9
9/16-18UNF-2B Str
aight Thr
ead O-ring
—
Inlet Housing Dr
ain
S
C
-13
9/16-18UNF-2B Str
aight Thr
ead O-ring
—
Cylinder Oil Dr
ain
S
C
-15
1 5/8-12UN-2B Str
aight Thr
ead O-ring
1-11 1/2 NP
TF
Gear Bo
x Oil Dr
ain
S
C
-16
1 1/16-12UN-2B Str
aight Thr
ead O-ring
—
Dis
char
ge Housing Oil Dr
ain
S
C
-17
2-11 1/2 NP
TF
—
Inlet Pr
es
sur
e
SM-1
2" Squar
e Flange
—
Main Oil Injection
T
3/4-16UNF-2B Str
aight Thr
ead O-ring
1/2-14 NP
TF
Manif
old Bloc
k T
ank