Products
TP 65 / 75 / 90 / 100
SINGLE THROW UNIT

TP 65 / 75 / 90 / 100

The Single Throw, pressure lubricated, Knox-Western TP Series frame is designed for vibration free operation through a complete range of running speeds up to 1800 RPM by virtue of a balanced opposed counterweight and forced lubrication of the running gear. This frame can accept cylinder sizes as large as 8 1/2 inch diameter. Capable of one or two stages of compression.

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Up to 100 bhp | 1800 rpm
RECIPROCATING GAS COMPRESSORS
Frame Specifications
65
75
90
100
Number of throws 1
Horsepower 75
RPM (min - max) 550-1,200
Frame lubrication FFL
Stroke 4.5
Piston speed (fpm) 900
Crankshaft Centerline (inches) -
Overall length, (max.) (inches) -
Approx. weight (frame only) (lbs) -
Rod Loads, (tension) (lbs) 6,000
Rod Loads, (compression) (lbs) 6,000
Rod Loads, (combined) (lbs) 12,000
Oil pump capacity (gpm) -
Crankcase oil capacity (gal) 2
Oil Pressure (min - max) (psig) -
Crankpin diameter (in) 3
Main bearing diameter (in) 4.72 x 1.22
Piston rod diameter (in) 1.125
Number of throws 1
Horsepower 75
RPM (min - max) 550-1,800
Frame lubrication FFL
Stroke 3
Piston speed (fpm) 900
Crankshaft Centerline (inches) -
Overall length, (max.) (inches) -
Approx. weight (frame only) (lbs) -
Rod Loads, (tension) (lbs) 6,000
Rod Loads, (compression) (lbs) 6,000
Rod Loads, (combined) (lbs) 12,000
Oil pump capacity (gpm) -
Crankcase oil capacity (gal) 2.5
Oil Pressure (min - max) (psig) 35 - 60
Crankpin diameter (in) 3
Main bearing diameter (in) 4.72 x 1.22
Piston rod diameter (in) 1.125
Number of throws 1
Horsepower 100
RPM (min - max) 550-1,800
Frame lubrication FFL
Stroke 3
Piston speed (fpm) 900
Crankshaft Centerline (inches) -
Overall length, (max.) (inches) -
Approx. weight (frame only) (lbs) -
Rod Loads, (tension) (lbs) 9,000
Rod Loads, (compression) (lbs) 9,000
Rod Loads, (combined) (lbs) 18,000
Oil pump capacity (gpm) -
Crankcase oil capacity (gal) 2.5
Oil Pressure (min - max) (psig) 35 - 60
Crankpin diameter (in) 3
Main bearing diameter (in) 4.72 x 1.22
Piston rod diameter (in) 1.125
Number of throws 1
Horsepower 100
RPM (min - max) 550-1,500
Frame lubrication FFL
Stroke 3.5
Piston speed (fpm) 874
Crankshaft Centerline (inches) -
Overall length, (max.) (inches) -
Approx. weight (frame only) (lbs) -
Rod Loads, (tension) (lbs) 9,000
Rod Loads, (compression) (lbs) 9,000
Rod Loads, (combined) (lbs) 18,000
Oil pump capacity (gpm) -
Crankcase oil capacity (gal) 2.5
Oil Pressure (min - max) (psig) 35 - 60
Crankpin diameter (in) 3
Main bearing diameter (in) 4.72 x 1.22
Piston rod diameter (in) 1.125
Materials
Component Material
CrankcaseGrey iron Class 40
Bearing housingGray cast iron Class 30
FlywheelCarbon steel
CrankshaftDuctile iron Class 80/55/06
Main bearingsDouble row spherical roller
Connecting rodsDuctile iron Class 60/40/18
Wrist pinAlloy steel AISI 8602
Wrist pin bearingsBronze
CrossheadsDuctile iron Class 60/40/18
Crossheads guidesGrey cast iron Class 30
Piston rods (rolled threads)Alloy steel AISI 4140
Cylinders, low pressureGrey cast iron Class 40
Cylinders, medium pressureDuctile iron Class 60/40/18
Cylinders, high pressureForged steel
Pressure packingNon-metallic, full floating
Pistons, low pressureAluminum SAE 355
Pistons, medium pressureGrey cast iron Class 30
Pistons, high pressureIntegral with piston rod
Valve seats and guardsCarbon steel
Valve springsStainless steel or chrome vanadium
Note specific TFE blend to be determined per application.
Our management system of standards is designed and reinforced to assure the quality of all operations and processes. Our continuous improvements apply to both quality and environmental requirements.

TP Series Compressors

The TP is a low horsepower line of compressors and was designed to meet a wide range of compression requirements. This compressor offers single and multistage applications to 6500 PSIG. TP Series can be configured with distance pieces and special materials. It comes with a single, 2 and 4 throw configuration frame. The TP model can be splash lubricated or force feed lubricated.