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Curtis

Natural Gas Compressors

Natural Gas Compressor Performance

Performance based on Natural Gas with N-Value of 1.26, Specific Gravity of .65, Gas Temperature of 60 degrees Fahrenheit. Gas Performance given in Cubic Feet Per Day, (CFD). Performance stated here is based on stated conditions and may vary depending on actual gas conditions. Performance stated here is the maximum range of each compressor frame. Actual Performance will be based on actual suction and discharge pressure and will be provided on request.

Two-Stage Compressors:

Curtis NGC-79, 5 & 2-1/2 X 3-1/2 Natural Gas Compressor Suction
Pressure Range - 0 PSIG - 30 PSIG
Discharge Pressure Range – 30 PSIG – 300 PSIG
Minimum Compressor Speed – 400 RPM
Maximum Compressor Speed – 900 RPM
Maximum Compressor Horsepower at conditions shown – 11.4
Performance Range – 16,163 CFD – 166,711 CFD

Curtis NGD-97, 6-1/4 & 3-3/8 X 3-3/4 Natural Gas Compressor
Suction Pressure Range – 0 PSIG – 50 PSIG
Discharge Pressure Range – 0 PSIG – 300 PSIG
Minimum Compressor Speed – 400 RPM
Maximum Compressor Speed – 900 RPM
Maximum Compressor Horsepower at conditions shown – 19
Performance Range – 26,500 CFD – 284,570

Curtis NGC-89, 7 & 3-3/8 X 3-3/4 Natural Gas Compressor
Suction Pressure Range – 0 PSIG – 50 PSIG
Discharge Pressure Range – 0 PSIG – 300 PSIG
Minimum Compressor Speed – 400 RPM
Maximum Compressor Speed – 900 RPM
Maximum Compressor Horsepower at conditions shown – 21.5
Performance Range – 32,789 CFD – 333,428 CFD

Curtis NGC-98, 7-1/2 & 4-3/8 X 5 Natural Gas Compressor
Suction Pressure Range – 0 PSIG – 50 PSIG
Discharge Pressure Range – 0 PSIG – 300 PSIG
Minimum Compressor Speed – 400 RPM
Maximum Compressor Speed – 900 RPM
Maximum Compressor Horsepower at conditions shown - 36.4
Performance Range – 47,693 – 523,455

Curtis NGC-150H, (2) 7-1/2 & (1) 5 X 5 Natural Gas Compressor
Suction Pressure Range – 0 PSIG – 50 PSIG
Discharge Pressure Range – 0 PSIG – 300 PSIG
Minimum Compressor Speed – 550 RPM
Maximum Compressor Speed – 900 RPM
Maximum Compressor Horsepower at shown 63.6
Performance Range – 131,023 – 1,018,142 CFD
(based on suction pressure and compressor speed)

Single-Stage Compressors:

Curtis NGC-100S, (2) 7-1/2 & (1) 6-1/4 X 5 Natural Gas Compressor
Suction Pressure Range – 0 PSIG – 50 PSIG
Discharge Pressure Range – 20 PSIG – 125 PSIG
Minimum Compressor Speed – 500 RPM
Maximum Compressor Speed – 900 RPM
Maximum Compressor Horsepower at conditions shown – 53.7
Performance Range – 124,638 – 1,107,533 CFD

Curtis NGC-200S, (3) 8 X 5 Natural Gas Compressor
Suction Pressure Range 0 PSIG – 50 PSIG
Discharge Pressure Range – 20 PSIG – 125 PSIG
Minimum Compressor Speed – 550 RPM
Maximum Compressor Speed – 950 RPM
Maximum Compressor Horsepower at conditions shown – 96
Performance Range – 257,012 CFD – 2,022,706 CFD

Curtis NGC-300S, (6) 8 X 5 Natural Gas Compressor
Suction Pressure Range 0 PSIG – 50 PSIG
Discharge Pressure Range 20 PSIG – 125 PSIG
Minimum Compressor Speed – 500 RPM
Maximum Compressor Speed – 900 RPM
Maximum Compressor Horsepower at conditions shown – 202
Performance Range – 476,927 CFD – 4,080,384 CFD

Complete compressor performance charts showing Natural Gas Performance at specific conditions will be provided by your Natural Gas Compressor Distributor.

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e-mail: kcraig@productionsystems.biz Production Systems Sales and Service, Inc
9911 Hwy 14/16 North, Gillette WY 82717
Phone: 307-682-1454   Fax: 307-685-3230
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