CNG at fast-fill stations is often stored in the vessels at a high service pressure (4,300 psi) so the dispenser can deliver it to a vehicle quickly. The dispenser uses sensors to calculate pressure and measure the number of gasoline gallon equivalents (GGEs) delivered to the tank, taking temperature into account.
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Fast-fill: Generally, fast-fill stations are best suited for retail situations where vehicles arrive randomly and need to fill up quickly. All public CNG stations have a fast-fill option. Fast-fill stations receive fuel from a local utility line at a low pressure and then use a compressor on site to compress the gas to a high pressure. Once compressed, the CNG moves to a series of storage vessels so the fuel is available for a quick fill-up. CNG can also be delivered via dispensers alongside gasoline or other fuel dispensers.
Time-fill: Time-fill stations are used primarily by fleets and work best for vehicles with large tanks that refuel at a central location every night. At a time-fill station, a fuel line from a utility delivers natural gas at a low pressure to a compressor on site. Unlike fast-fill stations, vehicles at time-fill stations are generally filled directly from the compressor, not from fuel stored in high pressure vessels. The size of the compressor needed depends on the number of vehicles to be fueled. Although there is a small buffer storage tank, its purpose is not to fill vehicles but to keep the compressor from cycling off and on unnecessarily—wasting electricity and causing undue wear and tear on the compressor. The storage tank is sometimes used to "top off" vehicle tanks during the day.
The time it takes to fuel a vehicle depends on the number of vehicles, compressor size, and the amount of buffer storage. Vehicles may take several minutes to many hours to fill. The advantage of using a time-fill station is that the heat of compression is less, and this results in a fuller fill than a fast-fill station can provide. Another advantage is that a fleet manager can control when the vehicles are filled, such as during off-peak hours (like at night) when electricity rates are lower.
Time-fill stations are carefully architected based on the intended use. For example, a transit bus company may need a larger compressor that can deliver 8 to 9 gallons per minute, while a refuse truck company can make do filling trucks at 3 gallons per minute using a smaller compressor. A consumer application may require far less—such as less than a gallon per hour. These differences account for the large variance in the cost of installation.
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For over a decade,CNG Center has provided customers with access to reliable, cost-effective, and technologically advanced equipment options available for CNG fast-filling and slow-fueling stations. Having relationships with a number of the US and international natural gas fueling equipment manufacturers allows CNG Center to offer our clients the latest and greatest technologies in regards to CNG compressors, CNG Dryers, CNG Storage, CNG operated dispensers with recommendations for expert installation and service. We can also provide solutions for pre-owned, recertified CNG equipment saving a considerable amount of time and money for the project.
Answer a few simple questions and learn what level of equipment will be ideal for your project. We can make a few recommendations for you as well. 5 minutes will give you a full picture CNG Station Questionnaire
If you are a fleet manager looking to build a CNG fueling infrastructure we suggest you fill the full version of the form so that we can evaluate all of the options and present you with the best value solution tailored for you exact needs. Full CNG Station Questionnaire for Fleet Managers
CNG Center provides customers with access to the most reliable, cost-effective, and technologically advanced equipment options available for CNG gas stations to fuel Natural Gas Vehicles. Having relationships with all of the recognized natural gas fuelings manufacturers allows us to offer the latest and greatest technologies in regards to CNG compressors, CNG Dryers, CNG Storage, CNG operated dispensers with expert installation and service
We provide our clients with the highest level of value by eliminating confusion and navigating our clients through numerous options in CNG equipment to build and operate a successful CNG Station that will give you maximum ROI.
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CNGcenter.com will assist you with finding the right CNG engineering and construction staff capable to build a variety of CNG stations around the country, including everything from sites designed for small business, modest corporate, and municipal fleets to large-scale transit operations. Whether your company wants to switch to clean, affordable CNG fuel or build a CNG station for an existing fleet, we can help to find the right partner for you to finish your CNG station on time and on budget. So if you are interested in Natural gas fueling infrastructure development please contact us.
When it comes to designing and constructing a new CNG station, we got everything covered. There are several highly qualified design construction firms that can handle all of your CNG Fill Station design and construction process from A to Z. Based on what type of the organization you are: private or public, your CNG fueling needs, geographical location, and preferences we can introduce you to the right partner.
CNG fueling commitment is the most important factor to make or break your public CNG fueling station project. Whether you are planning on building the station for your private fleet with an option of future expansion or planning to offer public access we can help you to properly assess your surrounding area and estimate the potential CNG fueling commitment development for your site. In many places in the US, the profit margins for CNG offered for retail sale has been over $1 per GGE. This alone may offer your business incredible revenue opportunities in addition to the fuel savings for your own fleet.
By combining extensive research of your local area with available CNG replacement and conversion options CNGCenter.com will provide you with a full picture of how many clients may be available in the area to fill at your CNG station.
You can have 24-hour assistance for your private or public CNG station for maintenance and repairs. CNGCenter.com will assist you with finding the right technician specializing in the service and repair of the type of equipment installed at your facility.
CNG Center has partners standing ready to finance your CNG fueling station project or CNG Fueling Equipment. By providing customers get affordable financing options those financial institutions can help commercial and municipal customers contribute to a better environment in a more efficient and cost-effective manner.
Many government organizations, municipalities, and School districts can form a partnership enabling them to successfully build, manage, and operate CNG stations. CNG Center can introduce you to financial, and operational partners that can help you to implement your project fast and effectively.
If you are in charge of a company undergoing a CNG facility shutdown or CNG Equipment liquidation, CNG Center will be happy to help you to save time and money. When you choose our Turnkey CNG Liquidation Service you don’t have to work with multiple liquidation companies that have no experience in CNG Space and can only provide basic listing services that usually result in minimal value recovered for your equipment. CNG Center has a leading online position for used CNG equipment, as well as, all necessary relationships with outlets that can provide additional targeted exposure to your CNG Equipment Liquidation efforts. In addition, over the last decade, we have gained a strong following of industry professionals, CNG station owners, operators, and service providers that understand the value proposition of the pre-owned / recertified CNG equipment. Based on your timeline and situation, we can create and execute a plan with recommendations on how to maximize the CNG equipment liquidation value for your equipment. If needed, CNG Center will provide turnkey services including purchase, demobilization, and equipment removal from the site for future refurbishment, recertification, and remarketing.
Please contact us at info@cngcenter.com to discuss your project and more information on any of the services.
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