China CNG Standard Station Manufacturers Factory - Customized CNG Standard Station

CNG Standard Station & Pipeline-Fed Refueling Systems

A CNG standard station is an integrated turnkey refueling system engineered to connect directly to municipal or industrial medium-pressure natural gas pipeline networks. By incorporating gas filtration, pressure regulation, metering, reciprocating or hydraulic compression, priority sequencing panels, ASME/GB storage cascades, and electronic dispensers onto modular skids, the system continuously draws pipeline gas, pressurizes it to 25 MPa, and delivers it to natural gas vehicles (NGVs).

CNG Standard Station Compressor
Product Introduction As the core equipment for CNG standard stations, the CNG Standard Station Compressor introduced by Genketech Gas is specifically designed to boost low-pressure pipeline natural gas to 23 MPa (customizable up to 25 MPa
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Hydraulic Reciprocating CNG Standard Station Compressor
The compressor for the CNG standard station adopts a dual-cylinder, two-stage compression design. The compression cylinders are installed vertically to prevent eccentric wear of the seals, thereby avoiding oil or gas leakage.
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Gas Standard Station Compressor
Natural Gas Standard Station Compressors - Providing Reliable Natural Gas Compression Solutions for Refueling Stations Oil-Free, Hydraulically Driven, Skid-Mounted Design - Specifically Engineered to Boost Pipelined Natural Gas to 23 MPa
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CNG Standard Station Equipment
CNG Standard Station Equipment - A Complete Skid-Mounted System from Inlet to Dispenser A One-Stop Solution for City-Grid-Fed CNG Refueling Stations System Overview A modern CNG Standard Station Equipment package comprises all the
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System Configuration & Types

Skid-Mounted Integrated Standard Station

Consolidates inlet purification, compression skids, priority control manifolds, and storage banks onto a unified structural steel base, reducing field pipe welding and civil engineering requirements.

Hydraulic Piston-Driven Standard Station Compressor

Utilizes a closed-loop hydraulic fluid drive system instead of traditional mechanical crankshafts, lowering mechanical stress and extending maintenance cycles under continuous pipeline-fed duty.

Modular Dual-Skid Split Configuration

Separates the compression machinery enclosure from the outdoor storage and dispensing zones, satisfying specific municipal plot area boundaries and safety separation distance codes.

Key Technical Parameters

Technical Parameter	Specification Range / Standard
Pipeline Inlet Pressure	0.1 MPa – 2.5 MPa (Regulated inlet tracking)
Rated Flow Capacity	500 Nm³/h – 2,000 Nm³/h
Maximum Working Discharge Pressure	25.0 MPa (Adjustable up to 250 bar)
Compression Stages	Two-stage or three-stage reciprocating / hydraulic loop
Drive Architecture	Explosion-proof electric motor coupled to hydraulic power unit or mechanical crankcase
Cooling System	Closed-loop plate-fin water/glycol heat exchanger with forced-draft ambient radiator
Storage Cascade Capacity	Configurable via high, medium, and low-pressure ASME/GB steel cylinders
Control & Safety Standard	PLC automation (Siemens/Allen-Bradley) with Ex d II BT4 explosion-proof rating

Application Scenarios

Pipeline-Fed Urban NGV Refueling Stations

Public municipal fueling stations positioned along city gas medium-pressure distribution lines.

Public Transit Bus Depots

Dedicated high-utilization fleet refuelers designed for overnight or rapid daytime filling of municipal natural gas bus fleets.

Industrial & Commercial Fleet Hubs

Private commercial fueling yards serving heavy-duty distribution trucks operating within municipal gas grid perimeters.

Selection Criteria & Engineering Checklist

Gas Standard Station Compressor manufacturers

Inlet Gas Supply Profile

Verify municipal pipeline minimum supply pressure and fluctuation limits to prevent compressor low-suction trips.

Station Throughput & Dispensing Bays

Calculate peak hourly vehicle volume to size compressor flow capacity (Nm³/h) and total storage cylinder water volume accordingly.

Grid Power Availability

Assess local industrial power supply characteristics (e.g., 380V/415V, 50Hz/60Hz, 3-phase) to specify appropriate motor starters, VFDs, and transformer ratings.

CNG Standard Station Compressor suppliers

Environmental & Acoustic Compliance

Match noise emission limits (e.g., <75 dB(A) at 1 meter) and local ambient temperature extremes (-35°C to +45°C) with enclosure insulation and ventilation packages.

Manufacturing, Materials & Quality Control

Skid Frame Structural Integrity

Structural carbon steel profiles welded in strict accordance with AWS D1.1 standards, blast-cleaned to Sa 2.5, and protected with marine-grade multi-layer epoxy primers and polyurethane finishes.

High-Pressure Piping & Tubing

Seamless 316L stainless steel tubing and thick-walled alloy steel pipes subjected to 100% X-ray radiography and hydrostatic burst testing at 1.5 times maximum working pressure.

Compressor Block Machining

Precision-honed cylinders and valve assemblies machined on CNC multi-axis centers, inspected for surface roughness, dimensional tolerances, and volumetric efficiency.

Factory Acceptance Testing (FAT)

Complete skid assemblies undergo a 72-hour full-load gas run test evaluating vibration displacement, bearing temperatures, discharge mass flow, and automated PLC safety interlock response times.

Customization & Engineering Support

Enclosure & Ventilation Engineering

Weatherproof, sound-attenuated acoustic enclosures featuring forced-air ventilation louvers and automatic methane gas detection linked to emergency shutdown (ESD) louvers.

Dispensing Interface Integration

Multi-hose electronic mass flow meter dispensers programmed with temperature compensation algorithms (AGA NX-19 / ISO 13443) for precise mass-based fuel transfer.

SCADA & Remote Telemetry

Provision of open industrial communication protocols (Modbus TCP, Profinet, 4G/Ethernet gateways) for remote operational monitoring and inventory auditing.

Factory Workshop

FAQ

Q: How does a standard station compressor handle fluctuations in municipal pipeline supply pressure?

A: The automated inlet pressure regulating valve and PLC monitoring system continuously track incoming line pressure. If suction pressure drops below the safe lower threshold, the system automatically steps down compressor loading or pauses operation to prevent pipeline vacuum formation, resuming normal output once line pressure recovers.

Q: What measures prevent oil contamination in natural gas delivered to vehicles?

A: The compression circuit incorporates multi-stage coalescing oil-water separators, active carbon absorption filters, and high-precision particulate filter elements installed downstream of each compression stage, ensuring delivered gas meets strict commercial purity standards.

Q: What safety systems are standard on a pipeline-fed CNG standard station?

A: Each station is equipped with optical flame detectors, catalytic bead methane leak sensors, manual emergency shutdown (ESD) pushbuttons located at strategic perimeter points, pressure relief safety valves (PRVs) on all pressure vessels, and automatic gas-inlet solenoid shut-off valves.

Q: What documentation is provided for regulatory compliance and site commissioning?

A: Shipments include comprehensive Manufacturer Data Reports (MDR) containing material mill test certificates (MTC), pressure vessel compliance dossiers (ASME / PED / GB), non-destructive testing (NDT) records, electrical explosion-proof certificates, and factory test performance logs.

Qingdao Lenado Intelligent Equipment Co., Ltd. is one of the most experienced CNG standard station manufacturers and suppliers in China. We have world-leading production equipment and strong manufacturing capabilities. Please rest assured to wholesale bulk customized CNG standard station from our factory.

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