070.650-IOM (AUG 2015)
Page 14
SGC ROTARY SCREW COMPRESSOR
INSTALLATION
SC-4: CYLINDER DRAIN
SC-8: SEAL WEEPAGE
SC-12: DRAIN/
SUCTION PRESSURE
SP-1: SUCTION
CCELEROMETER
SUCTION PORT
16” CLASS 300 FLANGE (4018, 4021)
16” CLASS 400 FLANGE (4013)
SP-2: DISCHARGE
ACCELEROMETER
SB-3: DAMPER OIL FEED,
OUTLET BEARINGS & SEAL
SL-1: LOW Vi
LIQUID INJECTION
SC-2: SLIDE VALVE
SC-13: BALANCE PISTON PRESSURE
SC-3: SLIDE STOP
DISCHARGE PORT
12” CLASS 300 FLANGE (4018, 4021)
12” CLASS 400 FLANGE (4013)
SL-2: HIGH Vi
LIQUID INJECTION
SC-10: SLIDE
VALVE TOOL/
DISCHARGE
PRESSURE
SC-11: DRAIN/
DISCHARGE PRESSURE
SC-6: DISCHARGE PRESSURE
SC-1: SLIDE VALVE
SB-4: DAMPER
OIL FEED
MALE & FEMALE
INLET BEARING
SB-2: BALANCE PISTON
SC-5: SUCTION PRESSURE
SC-9: CLOSED THREAD
PRESSURE
SC-7: OIL PRESSURE
SC-5: SUCTION PRESSURE
ST-1: SUCTION TEMPERATURE
SD-1: COALESCER BLEED/SUCTION PRESSURE
SM-1: MAIN OIL INJECTION
ST-2: DISCHARGE
TEMPERATURE
SC-9: CLOSED THREAD PRESSURE
SV-1: VAPOR INJECTION
Figure 9. Port Locations, SGXH 4013/4018/4021
PORT NPTF SIZE NOTE
SB-2 5/8-11
X*
SB-3 3/4-10
X
SB-4 5/8-11
X
SC-1 9/16-18
X
SC-2 9/16-18
X
SC-3 9/16-18
X
SC-4 9/16-18
S
SC-5 3/4-16
O
SC-6 3/4-16
O
SC-7 3/4-16
O
SC-8 1/8-27
X
SC-9 1
7
/8-12
S
SC-10 1
5
/8-12
S
SC-11 1
5
/8-12
S
SC-12 3/4-16
S
SC-13 1
1
/1 6 -12
O
SD-1 1
1
/1 6 -12
O
SL-1 3/4-10
O
SL-2 3/4-10
O
SM-1 3/4-10
X
SP-1 1/4-28
O
SP-2 1/4-28
O
ST-1 1
1
/1 6 -12
O
ST-2 1
1
/1 6 -12
O
SV-1 3/4-10
O
X - Mandatory
connection
O - Optional
connection
S - Service
connection
*Review SB-2 connection on every installation.