Qingdao Lenado Intelligent Equipment Co., Ltd. is one of the most reliable manufacturers and suppliers of natural gas charging stations in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk customized natural gas charging stations from our factory.
H1: Natural Gas Charging Stations | Pipeline & Sub-Station CNG Compressors
SEO Metadata
Meta Title
Natural Gas Charging Stations | High-Throughput CNG Compressors
Meta Description
Pipeline-adaptive natural gas charging stations with oil-free hydraulic compression. 1200-4500 Nm³/h, PLC automated, ATEX certified. Ideal for fleet depots & highway stations.
Core Value Proposition
✅ Pipeline-Adaptive Inlet Pressure | ✅ Oil-Free Hydraulic Drive | ✅ Dual-System Redundancy | ✅ Fully Automated PLC Control | ✅ ATEX/CE Certified Safety
Product Overview
Our natural gas charging stations deliver high-throughput, reliable CNG compression solutions designed for commercial fleet depots, highway service areas, and industrial gas hubs. Engineered with hydraulic reciprocating piston technology, these compressors seamlessly accept pipeline gas (0.8–4.0 MPa) or trailer-supplied CNG (3–20 MPa) without external pressure regulators.
The integrated skid-mounted design combines two-stage compression, water-circulating air cooling, and Siemens PLC automation into a compact footprint. With oil-free lubrication, zero gas contamination, and actual power consumption at ~75% of installed capacity, our natural gas charging stations reduce operational costs while maintaining 24/7 unattended operation. Ideal for both standard pipeline-fed stations and modular sub-station expansions.
Key Advantages
1. Inlet Pressure Adaptive Design
Hydraulic drive cylinders accept a wide inlet pressure range (0.8–4.0 MPa for pipelines, 3–20 MPa for trailers). No external stabilizers or pressure-reducing valves are required, lowering initial CAPEX and simplifying station layout.
2. Instant Start Without Depressurization
Unlike traditional mechanical compressors that must vent cylinder pressure before startup, our hydraulic system isolates motor torque from compression chambers. The unit starts instantly at full pressure, eliminating gas waste and reducing compressor cycling by up to 20%.
3. Oil-Free Compression & Zero Contamination
The gas and hydraulic chambers are physically separated with multi-stage sealing (Parker/SKF/Simrit). Even under seal degradation, oil cannot enter the gas stream. Gas purity remains near 0 ppm oil content, protecting dispensers, vehicle pipelines, and engines from carbon buildup.
4. Dual-System Redundancy & Low TCO
Standard configurations feature two independent compression systems. Each can operate at 50% capacity alone or run simultaneously for peak demand. Actual shaft power averages ~75% of installed rating (e.g., 2×45kW for 2,500 Nm³/h), delivering industry-leading energy efficiency.
5. Fully Automated & Unattended Operation
Siemens PLC control with 7" HMI touchscreen manages auto-start, pressure sequencing, cascade storage switching, and fault diagnostics. Remote monitoring via TCP/IP or 4G/5G enables predictive maintenance, reducing manual intervention and downtime.
Technical Specifications
|
Parameter |
Standard Specification |
|
Model Series |
TYCZ-S / TYCB Series (Customizable) |
|
Compressed Medium |
Natural Gas (Compliant with GB18047-2000) |
|
Average Flow Rate |
1,200 – 4,500 Nm³/h (Configurable) |
|
Inlet Pressure Range |
Pipeline: 0.8–4.0 MPa / Trailer: 3–20 MPa |
|
Max Outlet Pressure |
≤25 MPa (250 bar) |
|
Compression Stages |
2–4 Stages (Depends on inlet pressure) |
|
Driving Method |
Hydraulic Reciprocating Piston |
|
Lubrication Mode |
Oil-Free (Gas Chamber) |
|
Oil Content in Gas |
<0.1 ppm (Post-compression) |
|
Main Motor Power |
2×30 kW to 2×110 kW (Per configuration) |
|
Total Power Consumption |
≤98 kW (for 2,500 Nm³/h model) |
|
Motor Speed |
1,480 r/min |
|
Cooling Method |
Water-Circulating Air Cooling |
|
Cooling Medium |
Ethylene Glycol Antifreeze / Closed Loop |
|
Control System |
Siemens PLC + Smart700 HMI + Soft Starter |
|
Explosion-Proof Grade |
ExdeIIBT3 / ExdIIBT4 / ATEX Certified |
|
Rated Voltage |
AC 380V–400V / 50Hz (60Hz Optional) |
|
Noise Level |
≤75 dB(A) @ 1 meter (Sub-station/MRU) |
|
Overall Dimensions |
4,200×2,300×2,600 mm (Skid) / 20ft Container |
|
Equipment Weight |
~6.5 – 8.5 Tons (Per configuration) |
|
Operating Temperature |
-40°C to +55°C |
Configuration Highlights
Core Compression & Hydraulic System
Compression Cylinders: DRY1000 Series Hydraulic Reciprocating Double-Force Design
Hydraulic Pumps: Hengyuan Hydraulics 32 MPa / 1480 r/min
Ex-Proof Motors: Shandong Zotye 45kW–110kW (dIIBT4 / ATEX)
Soft Starters: RF-45/37K for smooth grid-friendly startup
Control & Automation
PLC Controller: Siemens S7-200Smart / CP1H-XA40D Series
HMI Touchscreen: Siemens Smart700 7" True-Color LCD
Communication: MODBUS RTU (RS485), TCP/IP, DRNET Remote Monitoring
Software: Lifetime free upgrades, fault logging up to 100 million cycles
Safety & Monitoring
Gas Detectors: ESD100 Combustible Gas Probes (15% LEL fan start / 25% LEL auto shutdown)
Pressure/Temperature Sensors: 0–40 MPa transmitters, oil level/temp monitoring
ESD Interface: External emergency stop compatible with station-wide control
Safety Valves: A21F-320C High-Pressure Relief with manual bypass
Sealing & Filtration (Premium Brands)
O-Rings: Parker Fluorine Rubber (USA)
Piston & Rod Seals: SKF DR1000-QH/QG (Austria) / Parker DR1000-YG (USA)
Oil Seals: Simrit DR1000-YH (Germany)
Inlet Gas Filter: 50 μm precision particulate & moisture removal
Return Oil Filter: 10 μm magnetic filter for metal particle capture
Safety & Compliance
Explosion Protection & Certification
Electrical Enclosures: ExdeIIBT3 / ExdIIBT4 per ATEX Directive 2014/34/EU
CE Marking: Compliant with EU Machinery & EMC Directives
Pressure Vessels: GB 150.2-2011 / ISO 9809 / ASME Section VIII Div.1
High-Pressure Piping: 06Cr19Ni10 Stainless Steel per GB/T14976-94 / ASME B31.3
Multi-Layer Safety Logic
Gas Detection & Ventilation: Automatic exhaust at 15% LEL, full shutdown at 25% LEL
Pressure & Temperature Interlocks: Auto-stop on abnormal inlet/outlet pressure, oil temp, or cooling failure
ESD Integration: Receives station-wide emergency signals for coordinated power & pipeline isolation
Surge & Overload Protection: Anti-surge protectors, motor over-current guards, and smooth soft-start logic
Zero Emission Cooling: Closed-loop ethylene glycol system with no wastewater discharge
Typical Applications
Commercial Fleet Depots
Ideal for municipal buses, logistics trucks, and waste collection fleets. Pipeline-fed or trailer-supplied natural gas charging stations support overnight refueling with dual-hose dispensers (1–20 Nm³/min) and IC card payment integration.
Highway Service & Corridor Stations
Modular skid design enables rapid deployment along transport routes. Three-line cascade refueling maximizes trailer gas utilization, reducing compressor runtime by 40% and lowering electricity costs.
Industrial Park & Utility Gas Supply
Adapts to fluctuating pipeline pressures (0.8–4.0 MPa) without external regulators. High-availability dual-system layout ensures continuous gas delivery for manufacturing, boilers, and on-site vehicle fleets.
Sub-Station Expansion & Satellite Hubs
Integrates with existing storage cascades and dispensers. Compact footprint (4.2m skid or 20ft container) fits constrained urban sites while maintaining 2,500+ Nm³/h throughput.
After-Sales & Support
Warranty Coverage
Standard Warranty: 12 months from commissioning or 2 months from delivery (whichever occurs first). Extended 24-month warranty available for MRU/containerized models.
Coverage: Manufacturing defects in compressors, PLC systems, hydraulic components, and structural skids.
Exclusions: Normal wear items (seals, filters), improper operation, force majeure.
Included Spare Parts Kit
Each unit ships with essential spares: solenoid valves, pressure transmitters (0–40 MPa), circuit breakers, contactors (GMC-9/GMD-25), relays, 30× O-rings, check valves, and analog I/O panels.
Commissioning & Training
On-Site Setup: Certified engineers supervise installation, pressure testing, and PLC parameter tuning.
Operator Training: 3-day program covering HMI operation, safety protocols, routine maintenance, and troubleshooting.
Documentation: Complete P&ID diagrams, electrical schematics, and maintenance manuals in English.
Remote Monitoring & Software
24/7 Diagnostics: DRNET remote service platform tracks pressure curves, oil temp, and fault logs via internet.
Lifetime Upgrades: PLC logic, HMI interface, and communication protocols updated at no charge.
Response Time: 1-hour technical reply, 48-hour on-site dispatch for critical failures.
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