070.550-IOM (JUN 2016)
Page 10
NGC GAS ROTARY SCREW COMPRESSOR
INSTALLATION
Figure 5. Port Locations, NGC 300.
NGC 300
SYMBOL PORT SIZE ADAPTER DESCRIPTION
P 1 1/16-12UN-2B Straight Thread O-ring 1/2-14 NPTF Manifold Block Pressure
SB-3 1 1/4 Square Flange — Compressor Oil Supply
SC-5 9/16-18UNF-2B Straight Thread O-ring 1/4-18 NPTF Inlet Pressure
SC-6 9/16-18UNF-2B Straight Thread O-ring 1/4-18 NPTF Discharge Pressure
SC-7 1/8-27 NPTF — Seal Weepage
SC-8 1 5/16-12UN-2B Straight Thread O-ring — Closed Thread Drain
SC-9 9/16-18UNF-2B Straight Thread O-ring — Inlet Housing Drain
SC-13 9/16-18UNF-2B Straight Thread O-ring — Cylinder Oil Drain
SC-15 1 5/8-12UN-2B Straight Thread O-ring 1-11 1/2 NPTF Gear Box Oil Drain
SC-16 1 1/16-12UN-2B Straight Thread O-ring — Discharge Housing Oil Drain
SC-17 2-11 1/2 NPTF — Inlet Pressure
SM-1 2" Square Flange — Main Oil Injection
T 3/4-16UNF-2B Straight Thread O-ring 1/2-14 NPTF Manifold Block Tank
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