Small Portable CNG Compressor – 7GGE/H- Natural Gas Driven

Posted by on Nov 11, 2018 in Used CNG Equipment

Small Portable CNG Compressor – 7GGE/H- Natural Gas Driven

For sale Brand New Portable CNG Compressor sold as used (compression skid on the small trailer) ready to plug and play.

This is a unique opportunity to get a brand new / never been used Portable CNG Compressor. The unit was build for a customer whose project felt through. The discounted pricing is offered for quick distribution and offset by the deposit received prior to unit construction.  So, its like someone else prepaid for the construction of your unit.

This portable CNG compressor is ideal for small application or small fleet.

Here is more details:

  • Engine Drive
  • No External Power needed
  • Portable Trailer Mounted
  • Fill System with 15’ dual hose
  • NGV1 nozzle
  • Can be outfitted with 21 GGE Storage (for an additional $10K)

The Mobile Portable CNG Compressor has less than 50 total hrs run time that were used for testing and quality control.

Benefits of Portable CNG Compressor

  • Ideal for small fleet requirements
  • Operates from local utility gas 0-5 PSI (most of the residential lines in US)
  • Capable of delivering up to 19/40 SCFM – (up to 7GGE an hour)
  • Low cost solution for Alternate Fuel


  • Includes 15’ dual hose on built-in Fill Post
  • Includes NGV1 Nozzle for vehicle filling
  • High Pressure compression capability up to 4500 PSI
  • Small, compact radial 4 stage compressor
  • Heavy duty 20 HP Engine
  • Built-in cooler to maintain low gas temperatures
  • Belt driven with adjustable mounting
  • Safety relief valves for all compressor stages
  • On-skid Blowdown tank with manual inlet valve and pressure regulator
  • Inlet and discharge filters
  • Standard MDi QMC1 intelligent, microprocessor based CNG controller
  • Built-in Compressor oil filter and level site glass
  • Complies with NEC and NFPA requirements for Class 1, Division 2, Groups C&D operation
  • Pressure monitoring of all interstages, discharge and oil pressure with safety shutdowns
  • Temperature monitoring of discharge gas temperature with safety shutdown
  • Liquid filled pressure gages for interstages, discharge and oil pressure
  • Automatic condensate drain and compressor unloading system
  • Integrated Gas recovery system
  • Excessive compressor vibration monitoring
  • Small foot print—60”L x 36”W x 52” H
  • Easy to transport, lightweight 1800 lbs
  • 1 yr LevelCon Web based remote monitoring included
  • 1 yr Web based SCADA HMI included with graphics
  • Alarm notifications: Emails and Cellular text messages
  • Worldwide support

Controller Features

  • Automatic Start/stop Sequence
  • Easy to use, front panel programming
  • Large LCD for viewing all parameters
  • Monitors all safety shutdowns
  • Large Audible and visible alarm
  • Built-in Emergency Shutdown (ESD) button
  • Monitors all interstage pressures, discharge and oil pressure
  • Monitor Discharge gas temperature and additional channels available for other inputs
  • Contact inputs for high CPSR vibration alarm shutdown with 7 additional channels
  • Built-in total and last run time hour meters
  • Built-in Enclosure and Ambient Temperature sensors.
  • Controller CSA and FM approved for operation in C1D1, Groups C&D locations
  • Built-in Serial communication PC interface
  • Interface for SCADA systems with built-in standard MOD-BUS RTU protocol

Controller Options

  • Single or dual hose fast-fill dispenser
  • Annual Total Maintenance contract option
  • Lead/Lag option for up to 4 compressors
  • Unit without trailer for stationary applications


Inlet Pressure: 0 to 5 PSI
Discharge Pressure programmable up to: 4500 PSI
1st Interstage Pressure range: 30 to 60 PSI
2nd Interstage Pressure range: 250 to 400 PSI
3rd Interstage Pressure range: 1400 to 1700 PSI
Discharge Pressure: 2800 to 4200 PSI
Discharge Gas Temperature range: 130 to 150 ºF
Compressor operating RPM: 1200
Engine: Subaru 20HP, gas driven
Maximum Blowdown tank pressure: 300 PSI
Power: No external power required
Skid construction: Steel
Dimensions: 60”Length x 36”Width x 88” High
Weight: 1900 lbs
Audible Alarm and Beacon: 90 dba sound level with integral flashing beacon
Emergency Shutdown Button: Normally closed, 120/240 VAC, 3 Amps rating
Controller Internal Fuse: 12 VDC 1 Amp maximum
Power train: Belt driven
Engine Mounts: Adjustable for proper compressor/Engine alignment
On-Skid Tubing: 1/2” Stainless Steel

This is a very smart unit. It can be tracked through GPS and environment seen through the cameras. All of the operations can be managed remotely.

It is offered for sale for $49,950

The portable CNG compressor can be picked up and moved from place to place with practically any vehicle. No need for Heavy duty equipment. The set up is super easy. All you need is a natural gas supply line with 0-5 psi pressure (0-0.34 Bar). This unit is located in Dallas and ready to be put to work right away. Please let us know if you have any questions.

Please see pictures below, feel free to contact us with any question at

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