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                                                                                                                Multi-Stage Oil-Lubricated Piston Compressor |   | Standard | 
                                                                                            
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                                                                                                                Inter-Stage and Final After-Cooler with Oil/Water Separators |   | Standard | 
                                                                                            
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                                                                                                                Over-Pressure Safety Valves at Each Stage |   | Standard | 
                                                                                            
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                                                                                                                Gas-Tight Over-Pressure Safety Valves at Each Stage (Piped Exit and Manifold) |   | Standard | 
                                                                                            
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                                                                                                                Automatic Oil/Water Drain Valves |   | Standard | 
                                                                                            
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                                                                                                                Auto-Starting Relief Integrated with Drain System |   | Standard | 
                                                                                            
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                                                                                                                Pressure Indicator at Each Stage |   | Standard | 
                                                                                            
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                                                                                                                Gas Over-Temperature Protective Shutdown Sensor |   | Standard | 
                                                                                            
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                                                                                                                Oil Lubrication Including Protection Sensor |   | Standard | 
                                                                                            
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                                                                                                                Pressure and Temperature Indicators and Sensor-Switch at All Stages |   | Optional | 
                                                                                            
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                                                                                                                Air-Blast Cooling Fan and Flywheel |   | Standard | 
                                                                                            
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                                                                                                                Lubricating Oil Level Alarm |   | Optional | 
                                                                                            
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                                                                                                                Gas Suction Connection (Flange and Pipe) |   | Standard | 
                                                                                            
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                                                                                                                Crankcase Oil Sump Heating |   | Optional with Non-Explosion Proof Model only, Not available in Explosion Proof Model | 
                                                                                            
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                                                                                                                Ex-Proof Crankcase Oil Sump Heating |   | Optional with Explosion Proof Model only, Not available in Non-Explosion Proof Model | 
                                                                                            
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                                                                                                                Flexible Drive Coupling |   | Standard | 
                                                                                            
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                                                                                                                Direct Drive Electric Motor |   | Standard with Non-Explosion Proof model only, Not available with Explosion Proof Model | 
                                                                                            
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                                                                                                                Direct Drive Ex-Motor (ATEX) |   | Standard with Explosion Proof Model, Optional with Non-Explosion Proof Model only | 
                                                                                            
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                                                                                                                Resilient AV Mounts |   | Standard | 
                                                                                            
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                                                                                                                Outlet Flexible Hose with Non-Return Valve |   | Standard | 
                                                                                            
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                                                                                                                Flexible Oil/Water Drain Hose |   | Standard | 
                                                                                            
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                                                                                                                Auto Start-Stop Pressure Sensor Control |   | Optional | 
                                                                                            
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                                                                                                                Oil/Water Drain Gas Separator 'Demister' Vessel |   | Optional | 
                                                                                            
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                                                                                                                Oil/Water Collection Tank |   | Optional | 
                                                                                            
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                                                                                                                Oil/Water Collection Tank (Level Alarm) |   | Optional | 
                                                                                            
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                                                                                                                Electrical Control Panel (Safe Area, Start/Stop, Alarms, and Shutdowns) |   | Optional | 
                                                                                            
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                                                                                                                Acoustic Enclosure (Internal Heater, Fan Ventilation, and Gas Detection) |   | Optional | 
                                                                                            
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                                                                                                                Ex-Proof Drive Coupling (ATEX 95) |   | Standard with Explosion Proof Model, Optional with Non-Explosion Proof Model Only | 
                                                                                            
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                                                                                                                Anti-Static Air-Blast Cooling Fan (ATEX 95) |   | Standard with Explosion Proof Model, Optional with Non-Explosion Proof Model Only | 
                                                                                            
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                                                                                                                Intrinsic Safe Relays for Pressure and Temperature Monitoring |   | Optional with Explosion Proof Model Only. Not available in Non-Explosion Proof Model | 
                                                                                            
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                                                                                                                Intrinsic Safe Terminal Box for Electrical Connections |   | Optional with Explosion Proof Model Only. Not available in Non-Explosion Proof Model | 
                                                                                            
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                                                                                                                Electrical Control Panel to ATEX Zone 1 and 2 |   | Optional with Explosion Proof Model Only. Not available in Non-Explosion Proof Model | 
                                                                                            
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                                                                                                                Supply Gas Pressure Sensor Control (Auto-Stop/Restart) |   | Optional | 
                                                                                            
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                                                                                                                Supply Gas Isolating Valve (Manual, Solenoid, Actuator, and Electrical Inter-Lock) |   | Optional | 
                                                                                            
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                                                                                                                Supply Gas Non-Return Valve |   | Optional with Explosion Proof Model Only. Not Available in Non-Explosion Proof Model. | 
                                                                                            
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                                                                                                                Supply Gas Excess Flow Valve |   | Optional with Explosion Proof Model Only. Not available in Non-Explosion Proof Model. | 
                                                                                            
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                                                                                                                In-Line Gas Suction Filter |   | Optional | 
                                                                                            
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                                                                                                                Suction Gas Regulation (Pressure Reducing Valve) |   | Optional | 
                                                                                            
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                                                                                                                Suction Gas Shut-Off Valve (Solenoid and Actuated) |   | Optional | 
                                                                                            
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                                                                                                                Capacity Control (Re-Cycling By-Pass Valve and Discharge Back to Suction) |   | Optional | 
                                                                                            
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                                                                                                                Inlet Gas Pulsation Damper (Suction 'Buffer Tank' Inc. Drain/Purge Valve) |   | Standard | 
                                                                                            
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                                                                                                                Suction Gas Protection (Safety Valve, Pressure Gauge, and High/Low Pressure Sensor-Switch) |   | Standard | 
                                                                                            
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                                                                                                                Flexible Suction Gas Hose |   | Optional | 
                                                                                            
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                                                                                                                Outlet Oil Coalescing Filtration (Manual and Auto Drain) |   | Standard with Explosion Proof Model, Optional with Non-Explosion Proof Model Only. | 
                                                                                            
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                                                                                                                Outlet Oil Vapor Activated Carbon Filtration (Manual Drain) |   | Optional | 
                                                                                            
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                                                                                                                Outlet Purge Connection |   | Standard with Explosion Proof Model, Optional with Non-Explosion Proof Model Only. | 
                                                                                            
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                                                                                                                Final Pressure Maintaining Valve |   | Standard with Explosion Proof Model, Optional with Non-Explosion Proof Model Only. | 
                                                                                            
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                                                                                                                Gas Drying (Suction and Outlet Hp Dryer) |   | Optional | 
                                                                                            
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                                                                                                                Auto Stop/Start Pressure Sensor Control |   | Optional | 
                                                                                            
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                                                                                                                Gas Recovery, or 'Blow-Down' Vessel (Purge, Drain, Safety Valve, and Pressure Gauge) |   | Standard | 
                                                                                            
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