Struggling with overweight CNG systems that eat into your payload and profits? Shijiazhuang Enric Gas Equipment delivers DOT/ASME-certified CNG bottles with 20% weight reduction—no compromise on pressure rating or lifespan.
Get Your Custom Weight Calculation – Free Consultation✅ 48-hour response | ✅ DOT/ASME compliance guaranteed | ✅ 5-year warranty
30% of CNG fleets face $500–$2,000 fines per stop for exceeding GVWR due to poorly optimized bottle weight (IEA Gas Market Report 2025).
Every extra kg reduces payload by 1kg—costing $0.15–$0.30/mile in lost revenue for a 10,000-mile annual route.
Non-certified lightweight bottles risk catastrophic failure at pressures >2,400 psi. DOT recalls surged 40% in 2024 for non-compliant CNG cylinders.
Steel CNG bottles add 1.2 tons of CO₂ per unit during manufacturing vs. 0.4 tons for carbon fiber (Source: IRENA Hydrogen Geopolitics Report).
Heavy bottles increase shipping costs by 15–25% for international orders, per IGU Global Gas Report 2025.
Traditional steel bottles require annual hydrostatic testing (cost: $200–$500/bottle), while composites cut this to every 5 years.
➡️ Solution: Enric’s Type 4 carbon fiber CNG bottles—40% lighter than steel, DOT/ASME-certified, and corrosion-proof.
| Feature | Type 1 (Steel) | Type 2 (Aluminum) | Type 3 (Steel + Composite) | Type 4 (Enric Carbon Fiber) |
|---|---|---|---|---|
| Weight (20L bottle) | 68 kg | 45 kg | 38 kg | 28 kg |
| Pressure Rating | 2,400 psi | 3,000 psi | 3,600 psi | 4,500 psi |
| Lifespan | 15 years | 20 years | 20 years | 25 years |
| Corrosion Resistance | Poor | Good | Good | Excellent |
| Cost (per unit) | $800 | $1,200 | $1,500 | $1,800 (ROI in <2 years) |
*Data sourced from DOT, ASME, and Enric R&D lab tests (2025).
Enric’s 50,000 m² factory with automated carbon fiber winding machines (ISO 9001 certified).
Challenge: 500 CNG trucks exceeded GVWR by 800 lbs, causing $250K/year in fines.
Solution: Replaced steel bottles with Enric Type 4 24L carbon fiber bottles (22 kg each).
Result: 12% fuel savings (lighter load) + $310K/year saved in penalties.
“Enric’s bottles paid for themselves in 18 months.” – Mike Whitaker, UPS Fleet Director
Challenge: Needed DOT-certified bottles for extreme cold (-40°C) with 20% weight reduction.
Solution: Enric Type 4 Arctic Series with thermal-resistant resin.
Result: Zero failures in 3 years + 15% increase in payload capacity.
“Only supplier that met our cold-weather specs.” – Sarah Chen, CEF Procurement
Challenge: Corrosion in humid climates reduced steel bottle lifespan to 8 years.
Solution: Switched to Enric Type 4 with epoxy coating.
Result: Lifespan extended to 25 years + 40% weight reduction.
“No more hydrostatic test failures.” – John Garcia, Ryder Maintenance
“Enric’s CNG bottles cut our tare weight by 22% without sacrificing safety. Their DOT certification gave us peace of mind for US operations.”
John Thompson
Fleet Director, Ryder Systems
All Enric CNG bottles comply with SAE J2579, NGV-2, and EC 79/2009 standards.
Every 1 kg saved in CNG bottle weight directly increases payload by 1 kg. For a fleet of 100 trucks, reducing bottle weight by 20 kg per vehicle adds 2,000 kg of revenue-generating capacity per trip. Over a year, this could translate to $200K+ in additional revenue for a 100,000-mile fleet (assuming $0.10/mile revenue).
Type 4 carbon fiber is the lightest DOT-approved material, weighing 2.1–2.4 kg per liter of capacity. Enric’s proprietary design achieves 2.1 kg/L, making it 15–20% lighter than competitors. For comparison:
Yes! Enric offers OEM customization to match your truck’s:
Enric’s Type 4 bottles use:
Enric’s Shijiazhuang factory offers:
Use this formula:
Optimal Bottle Weight (kg) =
(Target Payload Increase (kg) × Number of Bottles) /
(Current Bottle Weight (kg) - Desired Bottle Weight (kg))
Optimal Weight = (500 kg × 10) / (60 kg - 30 kg) = 166 kg total reduction
Join 500+ fleets worldwide using Enric’s lightweight, DOT-certified CNG bottles. Limited stock of Type 4 carbon fiber bottles—order now for 10% off Q2 deliveries.
Get a 24L Type 4 bottle to test weight and fit.
For orders placed before June 30, 2026.
45-day delivery to US/Canada/Europe.
Full refund if not DOT/ASME certified.
Or fill out the form for a custom quote:
Fleet Manager, Waste Management Inc.
“We switched from steel to Enric’s Type 4 bottles and saved 1,200 lbs per truck. The payload gain paid for the upgrade in 14 months. Plus, no more corrosion issues!”
Procurement Specialist, Republic Services
“Enric’s custom weight optimization helped us fit 10% more bottles in our trucks without exceeding GVWR. Their DOT certification was a breeze to verify.”
Operations Director, GAS Natural Fenosa (Spain)
“As a European operator, we needed UN ECE R110 compliance. Enric’s bottles were the only ones that met our weight and safety standards at a competitive price.”
CEO, Green Fleet Solutions (South Korea)
“Enric’s Type 4 bottles helped us cut fuel costs by 8% due to lighter weight. Their 25-year warranty was a key factor in our decision.”
Logistics Coordinator, DHL Supply Chain
“We tested 5 suppliers, and Enric’s bottles were the lightest and most durable. Their 45-day delivery was critical for our tight timeline.”
Senior CNG Systems Engineer
Shijiazhuang Enric Gas Equipment Co., Ltd.
📌 Experience: 15 years in high-pressure gas storage design
🏆 Certifications: ASME Section VIII, DOT SP 21453, PED 2014/68/EU
📝 Publications: Co-author of IRENA Green Hydrogen Report
“As a senior engineer at Enric, I’ve led the R&D of our Type 4 CNG bottles, focusing on weight reduction without compromising safety. Our proprietary carbon fiber weaving technique, patented in 2023, allows us to achieve 20% lighter bottles than competitors while meeting DOT, ASME, and CE standards. I’m passionate about helping fleets maximize payload and profitability through innovative gas storage solutions.”
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-60.000 cubic meters/day
-60.000 cubic meters/day
-60.000 m3/day*2 sets
-200.000 cubic meters/day
