1. TYPE “HOS” 6” Stroke Compressor & Ancillary Equipment
GAS COMPRESSOR
TYPE “HOS”
6” Stroke Compressor & Ancillary Equipment

2. Typical Design Data Ambient Temperature Electric Power Supply
Maximum Design: 120 f
Minimum Design: -20 f
Electric Power Supply
Main Drive Motor
4160 vac / 3 ph / 60 hz
Auxiliary Systems
480 vac / 3ph / 60 hz

3. Typical Design Data, cont..
Compressor Control
120 vac / 1 ph / 60 hz
External Control
125 vdc
Instrument Air Pressure
125 psig
Suction suction scrubber
Max: 350 psig
Min: 265 psig
Design: 265 psig

4. Major Assemblies Compressor Design Speed: Model # 6HOS Minimum Speed:
6” Stroke
High Output Stroke
10.5” Dia. Piston
2.5” Rod Dia.
Rated Speed: rpm
Max BHP: 2000
Two (2) Throws
Design Speed:
1178 rpm
Minimum Speed:
500 rpm
Max Gas Load
60,000 lbs.
Load from min flow to design in 15 secs.
Unload from design flow to min flow in 0.1 sec.
Natural Gas Requirments
TPM-FR-2

5. Serial Numbers Compressor Frame Compressor Cylinder Skid
Frame and Running Gear
Name plate at the oil pump end
Stamped into the frame metal.
Compressor Cylinder
Serial number on each cylinder
Nameplate
Skid
Identification number stenciled on side.
Skid mounted components

6. Lubrication System Frame and Running Gear Lubrication System
Oil Cooler (Water Cooled/Anti Freeze)
Electric Pre-Lube Pump (start permissive)
Duplex Oil Filter Assembly (10 micron)
P Gauge (Normal Operating drop - 3 PSIG: Max- 10 psid)
Relief Valves
RV-1 (60 psig)
RV-2 (90 psig)
Gear Type Main Oil Pump (Compressor Driven)
Frame/Skid Mounted Oil Sump

7. Lubrication System, Cont.
Oil Level Gauge (Bullseye sight glass)
Pressure Switch (23 psig < shutdown)
Lube oil tank and crankcase (compressor) heaters
Automatic lube oil injection system (compressors)

8. Oil Pressure Regulator(s)
RV-1 Valve preset to relieve at 60 PSIG
Field Adjustable
Compensate for oil viscosity
Turn adjustment Screw Clockwise to increase pressure
Maintain Oil Pressure at 60 PSIG
RV-2 Valve set at 90 PSIG
Not Field Adjustable (Current Version)
Not Field Repairable
Relieves excess pressure during cold oil starting

9. Low Oil Pressure Shutdown
Combination Indicating Gauge
System Pressure Monitoring
Low Pressure Shutdown
Minimum Shutdown Setting - 23 psig (falling)
Factory Set (Should be routinely verified)
Crankshaft driven oil pump systems
Requires lock-out button to disable shutdown circuit

10. Gas Fuel Bypass Cooler Air Cooled Heat Exchanger Electric Motor Driven
25 Hp
1800 rpm
460 vac / 3 ph / 60 hz
“V-belt” drive
QTY: 6 Each
Tube Material
SA-214 (carbon steel)
Fan Speed rpm
Weight
14,000 lbs.

11. Ancillary Equipment Suction & Discharge Pulsation Drums
Max Peak to Peak pulsation to 2% of line pressure
Suction Gas Scrubber
100% Entrained Liquids, Non-Vapor State
98-100% particulate to 5 micron
Pressure drop not to exceed 2 psi.
Discharge Gas Scrubber

12. Ancillary Equipment, Cont.
Suction Block Valve
Line supply gas to compressor shutoff
Bypass Gas Cooler
Cooling for re-circulated gas
Coalescing Gas Filter Separator
Liquid level controls
3 ppm final discharge
Discharge Gas Receiver
Two (2) Twin Pac GG’s, Accel from idle to baseload in 15 sec’s.

13. Ancillary Equipment, Cont.
Discharge Block Valve
Shutoff Line supply gas to Gas Turbine
Main Oil Cooling System
Self Contained on the Skid

14. Alarm & Trip Annunciator Panel
Alarms & Trips
High suction pressure
Low suction pressure
Compressor low frame oil pressure
High discharge temp #1 cylinder
High discharge temp #2 cylinder
Compressor vibration
High liquid level suction scrubber
Compressor crankcase low oil level
Lubricator low oil level
High lube oil filter diff/press. (Indicator only)
High liquid level discharge scrubber

15. Sequencer Start the Pre-Lube Pump Main Motor
Close or Open necessary valves
Delay Starting of Pumps
Black Start Capability
Y2K compliant software