P C McKenzie Company

Industrial Boiler and Natural Gas Compressor Sales

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CALL US TODAY - 877-244-4883

  • Compressors
    • Sauer Natural Gas Compressor
    • IR Compressor Packages
      • IR 05H25NGSX
      • IR 05H25NGDX
      • IR 20H40NGSX
      • IR 20H40NGDX
    • CNG Rental Units
    • Small CNG Station for Fleet Vehicle Refueling
    • Natural Gas Compressor Valve Rebuild Program
    • IR Compressor Parts
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    • Troubleshooting Guide
  • BOILERS
    • Boiler Service and Boiler Repair
    • Patterson Kelley Condensing Boilers
    • Patterson Kelley Non Condensing Boilers
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    • Atlas Boiler
    • Ajax Boiler Gaskets and Ajax Boiler Parts
    • Venting Solutions
      • Engine Generator Turbine Exhaust
      • Zero Chase Grease Duct
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    • Draft Induction Fan
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      • Industrial Combustion Lo-Nox Burners
      • Gordon Piatt Burner Parts
      • Weishaupt Burner Parts
  • AXELSON
    • Axelson Relief Valves
      • Axelson Relief Valve Maintenance
      • How Does an Axelson Safety Valve Work?
      • Garrett Safety Relief Valves
      • Axelson Orifice
      • How to Test Relief Valves – Axelson Test Stand for Pilot Valves
    • Axelson Spare Parts
    • Axelson ESP Pilot Sensor
    • Axelson ESPHL – High/Low Pressure Controller
    • Axelson Sand Probe Valve with Sensor
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    • Axelson Actuator Pneumatic Diaphragm Actuator
    • Axelson PRV Relay
    • Axelson Differential Pressure Sensing Unit
  • OIL CONTROL
    • Oil Level Regulator Davco Ren
    • Slow Flow Meter
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    • Liquid Level Switch by Ren
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  • Boiler Parts
    • Boiler Pumps
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    • Amot Thermostatic Control Valves
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  • RESOURCES
    • CNG Safety – Is Compressed Natural Gas Safe?
    • CNG
    • CNG Storage Cascades
    • NGV Fast Fill Station
    • NGV School Bus Refueling
    • NGV Service Tips
    • NG Compressor Troubleshooting
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      • Boiler Questions About Your Boiler
      • Boiler Glossary
      • Boiler FAQ
  • Charging Station

CNG Compressors

Sauer CNG Compressor
Sauer CNG Compressor

CNG  Compressors

P.C. McKenzie Company has served the CNG Compressor industry for over 25 years.  During that time we have built small CNG Compressors that fill vehicles and forklifts, to the larger units that fuel transport buses for the US Army.

Our CNG Compressors are manufactured and built right in the USA with known and trusted brands such as Ingersoll Rand and Sauer Compressor.

From the largest CNG Compressor rated 210 scf to the smallest compressor rated 28 scf, our compressors; our units are built to last with an emphasis on low maintenance.

Take A Look at The CNG Compressors Sizes We Have To Offer:

Sauer CNG Compressor –

Find Out More Information Here >> Sauer Natural Gas Compressor

Model  –  05WP4341-SX – 46 scfm
Model – 05WP4341-DX – 92 scfm
Model – 05WP4351-SX – 104 scfm
Model – 05WP4351-DX – 204 scfm

Ingersoll Rand CNG Compressor –  

Find Out More Information Here >>  Ingeroll Rand Natural  Gas Compressor

05H25NGSX-  28 sfcm
05H25NGDX- 56 sfcm
20H40NGSX-58 sfcm
20H40NGDX-116 sfcm
Please contact us for natural gas compressors in any of the above size ranges or larger. We are here to help you achieve the best results in your CNG Refueling Stations.

 

cng compressor by Ingersoll Rand
Ingersoll Rand CNG Compressor


 

how to size CNG Compressors

How To Size A CNG Compressor Station

There are some key pieces of information needed to properly size an NGV refueling station. As with any project, the more information you provide; the more accurate an estimate can be given.

Here are some key questions to consider as you move forward.

Determine what type of vehicles will be refueled. Light duty vehicles? Forklifts? School Buses? Municipal Vehicles?
The type of vehicles you plan to fill will help us determine the best station design for your specific fleet. For example, if you have a school bus fleet you will probably refuel these in a different manner than say a taxi fleet based upon the vehicle operating times.

How many vehicles will be refueling at this site?
This is a critical piece of information since this will help determine the station loading or how much natural gas must be delivered.

Determine the amount of gasoline each vehicle requires.
Again, another crucial piece of information needed. We use a conversion factor of 125 scf per equivalent gallon of gasoline. So, if you have a pick-up truck that takes 10 gallons of gasoline every day we know that it will require 1,250 scf of natural gas every time it fills up. Try to get as accurate a number as you can since this will again determine station load.

What time frame will the vehicles refuel in?
Sizing an NGV refueling station is like sizing a water heater for your home. If you have a lot of children taking showers before they leave for school in the morning you will need a large storage tank.

NGV refueling stations are sized based upon how many vehicles will fuel, how much fuel they will take and in what time frame. Will all the vehicles arrive early in the morning to fuel? Will 2 or 3 vehicles fuel every 3 hours or will they all fill over night?

Determine if the vehicles need to be fast filled or if they can be time filled.

This further defines the amount of time available to fuel the fleet. For example school bus fleets typically are refueled over an 8 hour period during the evening. If they were to be fast filled in the morning before they go out on their routes, the NGV refueling station would have a much different design.

Will the amount of CNG transferred into each vehicle be accounted for?
In some instances, fleet managers need to know how much fuel is used in each individual vehicle. In other case, like school bus fleets, they only need to know the total amount of fuel used by the entire fleet. If each vehicle must be accounted for a dispenser will be needed along with a card lock system to assign the amount of fuel transferred to a particular vehicle. This is an important point since it will impact the overall cost of a station.

Will the station be used for a private fleet or for public refueling?
This ties into accounting for individual vehicle accountability. Certainly in a public refueling station you will need to know how much fuel is transferred in order to bill the customer.

Will the station demand grow in the future and, if so, by how much?
We have found many customers that wish to start with a portion of their fleet and then, as they prove the benefits of natural gas, add more NGVs. If this is the case, it helps to know from the beginning of the project. The number and size of conduit can be sized accordingly along with the addition of compression modules and/or storage.

What utilities are available at the location that you wish to install your station?
We will need to know what the available gas pressure is at the site and what the gas quality. This can be secured from your local gas utility. Of particular interest is the moisture content of the gas. All natural gas contains a certain amount of water. Pipeline quality gas is measured at 7#/MMSCF, this means 7 pounds of water in 1,000,000 cubic feet of natural gas. This works fine for the burner tip but might be a problem for NGV refueling, so we will need to know this amount in order to properly size an inlet dryer.

We will also need to know what electrical service is available at the site. Ingersoll Rand CNG packages use 460V/3Phase power. If 208Volt is available, we will need to know this to provide the correct motor.

At what pressure will your vehicles operate?
Typically, NGVs store gas onboard at 3,600 psi. Older vehicles had operated at 3,000 psi but we find this to be a rare occurrence. Confirm what fill pressure is required.

Once you have gathered all of the above information contact P. C. McKenzie Company to discuss your particular application. We can size your station based upon your unique requirements and offer suggestions to improve performance or reduce station costs.

cng-school-bus

CNG PRE-CONSTRUCTION CONSIDERATIONS

Secure and review the current NFPA-52 guidelines for Compressed Natural Gas Vehicular Fuel Systems Code. This code is published by the National Fire Prevention Association and applies to all the design and installation requirements of CNG refueling facilities.

Contact your local Fire Marshall and Building Inspector who can help guide you through local code requirements and the permitting process.

Contact your natural gas provider to determine:
a) Gas pressure available at your location
b) Gas quality including moisture content
c) That the existing gas service can support the gas flow required by the station

Contact your electric company to determine:
a) Electrical service available at the site
b) Can the existing service support the electrical demand for the station

Contact a local contractor that is qualified to install an NGV Refueling Station.
P.C. McKenzie Company has many contacts throughout the USA to help with providing station installation.

Contact Us Today for Help in Sizing Your CNG Compressor Station!

ask us how to size a CNG Station

Natural Gas for Our Future
Natural Gas an ideal fuel source for many reasons, including safety. Natural Gas is lighter than air. This means that it will not puddle (like gasoline) or sink to the ground like propane, which is heavier than air. Instead, Natural Gas will rise and dissipate in the atmosphere. Natural gas also has a higher ignition temperature. This means that it is much harder to ignite. Also the storage systems used for compressed natural gas are infinitely stronger that the gasoline tanks found on cars and trucks today.
Learn more >>

CONTACT US

Toll Free: 1-877-244-4883
Fax: 412-257-8890
Phone: 412-257-8866

SHIPPING ADDRESS
P.C. McKenzie Company
1365 McLaughlin Run Road
Pittsburgh, PA 15241

MAILING ADDRESS
P.C. McKenzie Company
P.O. Box 112638
Pittsburgh, PA 15241

- P.C. McKenzie Company is located South of Pittsburgh, Pennsylvania -


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