070.750-IOM2 (JAN 21)
Page 22
HPS 273 ROTARY SCREW COMPRESSOR
FORMS
Table 6: Connection legend
Port
label
Description
Connection
size
P
Manifold block pressure
1 1/16-12UN-2B
SB-2
Male and female balance piston
oil feed
1 1/16-12UN-2B
SB-2A
Male and female inlet bearing
oil feed
1 1/16-12UN-2B
SB-3
Discharge end bearings, shaft
seal, and manifold block oil feed
1 5/16-12UN-2B
SC-5
Suction pressure
9/16-18UNF-2B
SC-6
Discharge pressure
9/16-18UNF-2B
SC-7
Seal weepage
1/8-27 NPTF
SC-8
Closed thread drain
1 5/16-12UN-2B
SD-1
Coalescer bleed
1 1/16-12UN-2B
SL-0
Liquid injection
1 5/16-12UN-2B
SM-1
Main oil injection, high Vi
1 5/8-12UN-2B
SM-2
Main oil injection, low Vi
1 5/8-12UN-2B
SV-1
Class 600 ANSI
round flange
1 1/4 Flange
T
Manifold block tank
1 1/16-12UN-2B
Figure 7: Compressor port locations - HPS 2709/2712
SC-6
SC-5
SV-1
SC-8
SL-0
SB-3
SD-1
SB-2
SC-7
SM-2
P
T
SM-1
SB-2A
M30 x 3.5 LIFTING EYE
PAD FOR MANIFOLD
BLOCK MOUNTING
NO KEYWAY IN SHAFT
M30 x 3.5 LIFTING EYE
Ø419.1 [Ø16.50]
COMPRESSOR SUCTION FLANGE
(8 IN. CLASS 600 ANSI FLANGE)
Ø355.6 [14.00]
COMPRESSOR DISCHARGE FLANGE
(6 in. CLASS 600 ANSI FLANGE)
5/8-11 UNC - 2B
x 1.31 in. THREADED
HOLES ARE PROVIDED
FOR FLANGE BOLTING
1 1/8-7 UNC - 2B x 2 1/2 in. THREADED HOLES
ARE PROVIDED FOR FLANGE BOLTING (4 in.
LONG HEX HD SCREWS ARE PROVIDED)
1-8 UNC - 2B
x 2 1/2 in. THREADED HOLES ARE PROVIDED
FOR FLANGE BOLTING (3 1/2 in. LONG HEX HD
SCREWS ARE PROVIDED)
Compressor port locations