Your Professional CNG Refueling Equipment Supplier！
Xinxiang Chengde Energy Technology Equipment Co.,with one equipment industrial park and three manufacturing bases, The company was founded in 2002 and began to grow and develop in 2006. Since then, it has successively obtained A2 level pressure vessel manufacturing license, pressure vessel design license, pressure pipeline design license, and pressure pipeline installation license.Boiler products are mainly used in power plants, industrial production, civil and commercial buildings, ship transportation, as well as specific industries such as petrochemicals, textile printing and dyeing, food processing, etc.
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![CNG Dispenser]()
CNG DispenserThe operation of CNG dispensers can be compared to the intelligent pressure balancing and transportation from high-pressure gas cylinders to vehicle gas cylinders. -
![CNG Refueling Column]()
CNG Refueling ColumnThe principle is to directly charge the vehicle from a fixed high-pressure gas source, with a direct and highly manual process. The core lies in physical connection and safe start stop, rather than -
![CNG Refueling Station]()
CNG Refueling StationThe core gas source is not pipeline gas and compressor, but CNG bundle trailer. The trailer itself is a mobile high-pressure gas storage device (usually with a pressure of 20MPa). -
![CNG Storage Tank]()
CNG Storage TankUsually refers to the high-pressure gas storage cylinder group or gas storage well fixedly installed in gas stations, which is the energy buffer warehouse and pressure regulation core of CNG gas
Why Choose Us
Manufacturing Capacity
With four manufacturing bases, 69,000㎡ standardized workshops, and more than 300 advanced production machines, we support stable large-scale production and efficient project delivery.
Certified Quality
We hold multiple international certifications, including ASME and CE, along with pressure vessel and pressure pipeline licenses. Our quality management system and product testing capabilities help customers meet strict regulatory and project requirements in global markets.
Professional Team
Our experienced engineering and technical teams provide professional support throughout the project process, from product selection to technical solutions and after-sales service.
Sales Market
Our products are supplied to more than 70 countries and regions, covering industries such as energy, petrochemical, transportation, and industrial manufacturing.
Overview of CNG Refueling Equipment
CNG (Compressed Natural Gas) refueling equipment is specialized infrastructure designed to compress, store, and dispense natural gas into vehicles, typically at high pressures of 3,600 psi. It includes compressors, storage cylinders, and dispensers, facilitating cleaner, more affordable transportation for commercial fleets and passenger vehicles, using either fast-fill or time-fill methods.
Product Specification
We offers the CNG Dispenser specifications：
|
Item |
Specification |
|
Applicable Medium |
Compressed Natural Gas (CNG) |
|
Flow Range |
1 kg/min ~ 30 kg/min |
|
Maximum Working Pressure |
25 MPa |
|
Rated Working Pressure |
20 MPa |
|
Maximum Allowable Error |
± 1.0% |
|
Measurement Repeatability Accuracy |
1/2 of the maximum allowable error |
|
Explosion Proof Grade |
Exdeibmb II AT3 Gb |
|
Working Environment |
Temperature: -25 °C ~ 55 °C, Humidity: ≤ 95% RH |
|
Power Supply |
220 VAC, 50 Hz ± 1 Hz |
|
Power Consumption |
≤ 120 W |
|
Instrument Air |
5.6 ~ 8.4 BAR clean air |
|
Power Outage Display |
Display remains visible for at least 15 minutes after power outage |
|
Gas Filling Hose Length |
4 m ~ 6 m |
|
Pull-off Valve |
Separation tension: 400 N ~ 600 N at 20 MPa working pressure |
|
Dimensions (L × W × H) |
900 × 550 × 2080 mm |
|
Single Counting Range |
0 ~ 9999.99 Nm³ or kg |
|
Cumulative Counting Range |
0 ~ 99,999,999.99 Nm³ or kg |
Common Types
CNG Dispenser
A CNG (Compressed Natural Gas) dispenser is a specialized fueling device used at service stations to transfer compressed natural gas into vehicles. It works similarly to traditional gas pumps, measuring, regulating, and safely delivering high-pressure gas (typically at 3,000–3,600 psi) into a vehicle's storage cylinder for public transport, commercial fleets, or private cars.
CNG Refueling Column
A CNG (Compressed Natural Gas) refueling column, or dispenser, is the specialized unit at a natural gas station used to safely transfer high-pressure natural gas into vehicles. It measures the amount of gas dispensed (usually in Gasoline Gallon Equivalents) and features safety systems to handle pressures typically around 3,600 psi.
CNG Refueling Station
A CNG (Compressed Natural Gas) refueling station is a facility that compresses natural gas to high pressures (typically 3,000–4,000 psi) to fuel specialized vehicles, acting as a cleaner, more affordable alternative to gasoline or diesel. These stations take gas from utility pipelines and dispense it via "fast-fill" (similar to gas pumps) or "time-fill" (overnight) systems.
CNG Storage Tank
A Compressed Natural Gas (CNG) storage tank is a high-pressure vessel designed to store natural gas—primarily methane—at pressures typically ranging from 3,000 to 5,000 psi (pounds per square inch). These tanks allow CNG to occupy less space, making it a viable, cleaner-burning fuel alternative for vehicles (on-board storage) or stationary storage at refueling stations.
Application
Public/Retail Stations (Fast-Fill): These stations, similar to traditional gas stations, use compressors to bring gas from a utility line up to high pressures (~4,300 psi) for quick refueling of vehicles, usually within minutes.
Transit and Fleet Operations (Time-Fill): Commonly used for buses, trucks, and refuse vehicles, these stations fuel vehicles slowly over several hours (often overnight) directly from the compressor, offering higher efficiency and better fuel density.
Mother-Daughter Stations (Virtual Pipelines): "Mother" stations fill high-capacity tube trailers at major pipelines, which then transport the compressed gas to "daughter" stations in remote areas or locations lacking direct pipeline access.
Industrial and Site Use: CNG equipment supports industrial operations by providing fuel for emergency backup generators at hospitals or data centers, as well as powering machinery at remote construction sites.
Specialized Utility Tasks: Mobile stations can facilitate pipeline cleaning ("pigging"), purge pipelines without venting gas into the atmosphere, and manage "peak shaving" to balance gas demand.
Components
Compressor
The main system component that compresses gas to the required pressure. Compressors can be either piston-, screw-, or rotary-type subject to the desired performance.
Gas storage tanks
Such tanks are designed to store compressed gas until it is refueled into vehicle. Safe and secure storage are ensured.
Control systems
The state-of-the-art CNG filling stations are equipped with automated control systems that monitor both the compression and refueling process while ensuring high efficiency and safety.
Refueling post
This is the point where the vehicle refueling process directly takes place.
Submit a request on the site or reach our specialist by phone
Grasys expert speaks to you and finds out your needs
You fill out a questionnaire with the desired equipment parameters
Our expert prepares a quotation with the most efficient solutions to your application. Contract to be concluded
We perform engineering, designing, manufacture equipment with its further testing and placing into service, etc
We ship equipment to the operational location and provide a package of documents
We are engaged in start-up operations and equipment commissioning
We provide aftersales service to ensure equipment efficient performance and reliability excellence (optional)
Other Services
All of our machines will be fully checked by our quality control department before the shipment. We guarantee all of our machines have a one-year warranty (quick-wear parts not included).
Training details: Operation principles, system, and structure, safety and maintenance, software processing technique, etc.
Numerous feedback from our clients have proven that our machines are stable in performance with rare malfunction. However, we would like to handle it as follows once malfunction occurs:
a. We guarantee that we will give you a clear reply within 24 hours.
b. Customer service staff will assist you in analyzing the malfunction to locate the cause.
c. If the malfunction is caused by improper operation of software and other soft faults, we will help solve the problem online.
d. We will offer plenty of online support, like detailed technical and installation instructions via email, video, and telephone.
Package & Delivery
Package: Standard export package or Custom
Delivery: By air express, by sea
FAQ
With over 20 years' experience, we are one of the most reliable CNG refueling equipment manufacturers and suppliers in China. Please feel free to buy durable CNG refueling equipment made in China here from our factory. Welcome to view our website for more information.
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