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CNG Compressors
Designed and Built in the USA
L & M Compressor, LLC is a group of specialists whose identity focuses on four areas of high pressure compressor pumps:
Reliable products and comprehensive knowledge of high pressure applications
Service: Provide in-house Technical Support on CNG Compressors
In stock availability on CNG Compressors
Design and produce high pressure gas compressor pumps that exceed the existing industry offerings.
Standard Features for CNG Compressor Pumps
Crank case breather line is hard plumbed
Relief valves are plumbed to a manifold
Five Stages
Radial layout for reduced vibration and crank shaft loading
Spin- on Type Oil Filter
Connecting rods with needle roller bearings
Stainless steel valve assemblies on all stages
Latest technology in valve and ring design
Relief Valves on 1st, 2nd, 3rd & 4th Stage
Intercoolers on 1st, 2nd, 3rd & 4th, after cooler on 5th stage
Pressurized oil lubrication system
Cast Iron Block and Cylinders
Designed and built in the USA
Water separators on 2nd, 3rd & 4th stages
Options |
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ASME/CRN Relief Valves, 1st, 2nd, & 3rd (on 4 Stage Pumps) |
ASME/CRN Relief Valves, 1st, 2nd, 3rd & 4th (on 5 Stage Pumps) |
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PED Relief Valves, 1st, 2nd, & 3rd (on 4 Stage Pumps)
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PED Relief Valves, 1st, 2nd, 3rd & 4th (on 5 Stage Pumps) |
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Oil Pressure switch: explosion proof valve (Class 1, Division 2, Group D)
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Auto drain assembled, explosion proof valve (Class 1, Division 2, Group D), plumbed to relief valves manifold & separators (12vdc, 24vdc, 115vac & 230vac): |
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Heater, Oil 1/2 NPT, explosion proof valve (Class 1, Division 2, Group D)
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Thermostat, 1/2 NPT, 60° ON, 80° OFF, explosion proof valve (Class 1, Division 2, Group D)
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| Oil Pressurized crank shaft main rod journal | Bracket, Temperature Probe |
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Temperature Switch, explosion proof ( Class 1, Division 2, Group D), with remote sensing probe
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Natural Gas Compressors
Pressures:
1500 psig (103 bar) Special Order
2600 psig (179 bar) Special Order
3600 psig (214 bar)
5000 psig (345 bar)
6000 psig (414 bar)
Power Requirements:
3 hp (2.7 kW)
5 hp (3.7 kW)
7 1/2 hp (5.6 kW)
10 hp (7.5 kW)
15 hp (11 kW)
20 hp (15 kW)
25 hp (18.5 kW)
30 hp (22.5 kW)
40 hp (30 kW)
60 hp (44.7 kW)
3 Cylinder, 3 Stage CNG Compressor |
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Model
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Inlet Pressure
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Max Working Pressure
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Capacity (3)
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Motor
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psig
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bar
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scfm
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l/min
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GGE/hr.
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hp
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kW
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| CN303-5 | 1 psig | 5,000 | 345 | 5.0 | 142 | 2.37 | 3 | 2.7 |
| CN303-5 | 5 psig | 5,000 | 345 | 5.0 | 142 | 2.37 | 3 | 2.7 |
| CN305-5 | 5 psig | 5,000 | 345 | 6.1 | 173 | 2.89 | 5 | 3.7 |
| CN307-5 | 5 psig | 5,000 | 345 | 9.2 | 261 | 4.36 | 7.5 | 5.6 |
4 Cylinder, 4 Stage CNG Compressor |
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Model
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Inlet Pressure
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Max Working Pressure
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Capacity (1) & (2)
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Motor (1) & (2)
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psig
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bar
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scfm
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l/min
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GGE/hr.
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hp
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Kw
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| CN460-5 | 14 psig | 5,500 | 379 | 100.0 | 2832 | 47.37 | 60 | 44.7 |
| CN440-5 | 5 psig | 5,000 | 345 | 62.0 | 1756 | 29.37 | 40 | 30 |
| CN430-5 | 5 psig | 5,000 | 345 | 46.5 | 1317 | 22.03 | 30 | 22.5 |
5 Cylinder, 5 Stage CNG Compressor |
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Model
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Inlet Pressure
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Max Working Pressure
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Capacity (2) & (3)
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Motor
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psig
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bar
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scfm
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l/min
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GGE/hr.
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hp
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kW
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| CN507-6 | 5 psig | 6,000 | 414 | 11.0 | 311 | 5.21 | 7.5 | 5.6 |
| CN510-6 | 5 psig | 6,000 | 414 | 14.0 | 396 | 6.63 | 10 | 7.5 |
5 Cylinder, 5 Stage CNG Compressor |
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Model
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Inlet Pressure
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Max Working Pressure
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Capacity (1) & (3)
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Motor
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psig
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bar
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scfm
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l/min
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GGE/hr.
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hp
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kW
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| CN515-6 | 5 psig | 6,000 | 414 | 19.5 | 552 | 9.24 | 15 | 11 |
| CN520-6 | 5 psig | 6,000 | 414 | 25.5 | 722 | 12.08 | 20 | 15 |
| CN525-6 | 5 psig | 6,000 | 414 | 31.5 | 892 | 14.92 | 25 | 18.5 |
| CN530-6 | 5 psig | 6,000 | 414 | 35.0 | 991 | 16.58 | 30 | 22.5 |
1) Capacity is referenced to psig inlet conditions as noted, 68°F inlet temperature @ 80% of the compressor’s maximum working pressure. Tolerance +5/-4%
2) One GGE (Gasoline gallon equivalent) of natural gas is 126.67 cubic feet (3.587 m3) at standard conditions.
3) CN303-5 compressors meets NFPA 1052, section 10.1.2., 5 SCFM threshold for Residential Fueling Facility.
4) One GGE (Gasoline gallon equivalent) of natural gas is 126.67 cubic feet (3.587 m3) at standard conditions.
