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Standard Features for CNG Compressor Pumps
All oil lines are hard plumbed
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
Oil pressurized crankshaft main rod journal, CN440-CN475
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)
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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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M²/hr.
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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 | 8 | 2.37 | 3 | 2.2 |
| CN303-5 | 5 psig | 5,000 | 345 | 5.0 | 142 | 8 | 2.37 | 3 | 2.2 |
| CN305-5 | 5 psig | 5,000 | 345 | 6.1 | 173 | 10 | 2.89 | 5 | 3.7 |
| CN307-5 | 5 psig | 5,000 | 345 | 9.2 | 261 | 16 | 4.36 | 7.5 | 5.6 |
| CN310-5 | 14 psig | 5,000 | 345 | 12.5 | 354 | 21 | 5.92 | 10 | 7.5 |
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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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M²/hr.
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GGE/hr.
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hp
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Kw
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| CN440-5 | 5 psig | 5,000 | 345 | 57.0 | 1614 | 97 | 27.00 | 40 | 22.5 |
| CN430-5 | 5 psig | 5,000 | 345 | 43.0 | 1218 | 73 | 20.37 | 30 | 22.5 |
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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) & (2)
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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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M²/hr.
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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 | 12.5 | 354 | 21 | 5.92 | 7.5 | 5.6 |
| CN510-6 | 5 psig | 6,000 | 414 | 16.0 | 453 | 27 | 7.58 | 10 | 7.5 |
| CN515-6 | 14.5 psig | 6,000 | 414 | 23.5 | 665 | 40 | 11.13 | 15 | 11 |
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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) & (2)
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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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M²/hr.
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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 | 33 | 9.24 | 15 | 11 |
| CN520-6 | 5 psig | 6,000 | 414 | 25.5 | 722 | 43 | 12.08 | 20 | 15 |
| CN525-6 | 5 psig | 6,000 | 414 | 38.0 | 1076 | 65 | 18.00 | 25 | 18.5 |
| CN525-6 | 10 psig | 6,000 | 414 | 48.0 | 1359 | 82 | 22.74 | 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) Specifications are subject to change.
