Natural Gas Vehicles utilize natural gas drawn from onboard storage tanks. In order to have enough fuel available in the vehicle, the natural gas must be compressed and transferred into the storage tanks.

An NGV refueling station takes natural gas delivered by the local gas distribution company and increases the pressure to load into the onboard storage.

ngv refueling station



The basic quick fill station will take pipeline quality gas delivered at 5 psig and pump it up to 5,000 psig for ground storage. The major components of the station include, from gas company connection to the vehicle, the following:   

Major components of a Fast Fill NGV refueling station include:

1. Gas Meter - provided by the gas company in order to determine amount of gas used and properly bill for the gas.

2. Inlet Filtration - used to filter out any dirt or pipe scale.

3. Inlet Dryer - used to reduce the moisture content of the gas. Pipeline quality gas typically has a moisture content of 7#mmscf. This must be reduced in order to meet the Society of Automotive Engineers fuel spec J1616.

4. Discharge filter - used to filter out any fines or dust passed through from the dryer.

5. Compressor Package - This is really the heart of the system. An Ingersoll Rand compressor package includes the compressor, an electric motor, motor starter, cooler and controls. The compressor package will increase the inlet pressure from 5 psig up to 5,000 psig.

6. Priority Sequential Panel - A valve panel that directs the gas flow to either high pressure storage or directly to the vehicle. This panel also insures temperature compensated fills.

7. High pressure storage -typically ASME vessels rated to hold natural gas at 5,000 psi where it is held until a vehicle is connected to the station.

8. Dispenser - connects directly to the vehicle and meters gas sent to the vehicle for tracking or billing purposes.

 

Check out our IR CNG troubleshooting guide.  This tool allows you to identify some common Ingersoll Rand compressor problems, pin-point possible causes and then offers a recommended course of action. Troubleshooting Guide
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P.C. McKenzie Company
P.O. Box 112638
Pittsburgh, PA 15241		1-877-244-4883
Fax: 412-257-8890
Phone: 412-257-8866		P.C. McKenzie Company
1365 McLaughlin Run Road
Pittsburgh, PA 15241