070.550-IOM (JUN 2016)
Page 9
NGC GAS ROTARY SCREW COMPRESSOR
INSTALLATION
Figure 4. Port Locations, NGC 200/250.
NGC 200/250
SYMBOL PORT SIZE ADAPTER DESCRIPTION
P 9/16-18UNF-2B Straight Thread O-ring 1/4-18 NPTF Manifold Block Pressure
SB-3 1 1/16-12UN-2B Straight Thread O-ring 1/2-14 NPTF 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-9 9/16-18UNF-2B Straight Thread O-ring — Inlet Housing Drain
SC-11 1 5/16-12UN-2B Straight Thread O-ring 3/4-14 NPTF Closed Thread Drain
SC-13 9/16-18UNF-2B Straight Thread O-ring — Cylinder Oil Drain
SC-14 9/16-18UN-2B Straight Thread O-ring — Inlet Pressure
SC-15 1 5/16-12UN-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 1 5/16-12UN-2B Straight Thread O-ring 3/4-14 NPTF Main Oil Injection
SV-1 2" Square Flange — Vapor Injection-Tongue & Groove
T 9/16-18UNF-2B Straight Thread O-ring 1/4-18 NPTF Manifold Block Tank
NOTE: Model 250 is shown for illustrative purposes only. Congurations of other compressors will vary.