070.655-IOM (FEB 22)
Page 13
SBTP Rotary Screw Compressor
Installation
Port
Size
O-ring
Description
SB-2
1 in. -300# ANSI, 5/8-11 UNC, 1.38 DP
-
Oil feed inlet bearings
SB-3
2 in. -300# ANSI, 5/8-11 UNC, 1.25 DP
-
Oil feed outlet bearings and seal
SC-1
9/16-18 UNF-2B straight thread o-ring
980A0013K58
Slide valve
SC-3
3/4-16 UNF-2B straight thread o-ring
980A0013K60
Slide stop
SC-4
3/4-16 UNF-2B straight thread o-ring
980A0013K60
Cylinder drain
SC-5
1 1/16-12 UN-2B straight thread o-ring
980A0013K64
Suction pressure
SC-6
1 1/16-12 UN-2B straight thread o-ring
980A0013K64
Discharge pressure/slide valve tool
SC-7
3/4-16 UNF-2B straight thread o-ring
980A0013K60
Oil pressure
SC-8
1/8-27 NPTF
-
Seal weepage
SC-11
1 1/16-12 UN-2B straight thread o-ring
980A0013K64
Drain/discharge pressure
SC-12
3/4-16 UNF-2B straight thread o-ring
980A0013K60
Drain/suction pressure
SC-13
1 1/16-12 UN-2B straight thread o-ring
980A0013K64
Inlet bearing drain/suction pressure
P
3/4-16 UNF-2B straight thread o-ring
980A0013K60
Cylinder pressure (manifold block pressure)
T
3/4-16 UNF-2B straight thread o-ring
980A0013K60
Cylinder vent (manifold block tank)
SD-1
1 1/16-12 UN-2B straight thread o-ring
980A0013K64
Coalescer bleed/suction pressure
SE-1
DIN connector
-
Slide valve
SE-2
DIN connector
-
Slide stop
SM-1
1 1/2 in. -300# ANSI, 3/4-10 UNC, 1.75 DP
-
Main oil injection
SP-1
1/4-28 UNF-2B, 0.68 DP
-
Suction accelerometer
SP-2
1/4-28 UNF-2B, 0.68 DP
-
Discharge accelerometer
ST-2
1 1/16-12 UN-2B straight thread o-ring
980A0013K64
Discharge temperature
SV-1
2 1/2-300# ANSI, 3/4-10 unc, 1.75 DP
-
Vapor injection (3511 compressor)
3-300# ANSI, 3/4-10 UNC, 1.75 DP
-
Vapor injection (3515, 3519, 3524 compressors)
Note:
While liquid injection oil cooling is an option for anti-friction Frick screw compressors, Frick does not suggest it for
compressors supplied with tilting pad thrust bearings.
Table 2: 355 series port information
