What Is a Biogas Cover?
A biogas cover is a gas-tight PVC membrane that seals anaerobic digesters, storage ponds and tanks, capturing methane-rich biogas while resisting chemicals and weathering. Lonsun Tex industrial PVC biogas covers provide airtight storage, pressure compensation and long service life for large-scale biogas plants.
Manufactured in our ISO 9001 certified facility, Lonsun Tex engineers heavy-duty PVC biogas membrane systems with proven chemical resistance for anaerobic digestion and renewable energy projects worldwide.
INDUSTRIAL PVC BIOGAS COVERS
Industrial-Grade Biogas Membrane Solutions engineered for anaerobic digestion, high-efficiency biogas storage, and long-term durability. Our high-performance PVC biogas covers provide a robust, airtight, and cost-effective solution for modern renewable energy projects.
Why Choose Our PVC Biogas Cover Systems
In the evolving landscape of sustainable energy, selecting the right containment technology is crucial. Our industrial PVC biogas covers are designed not just for storage, but for maximum system longevity and operational efficiency. By combining advanced polymer chemistry with precision engineering, we offer biogas membrane solutions that outperform traditional rigid covers in nearly every metric.
Excellent Chemical Resistance
Our PVC biogas cover material offers outstanding resistance to H₂S, CO₂, and acidic biogas components, effectively preventing corrosion according to international quality standards, ensuring long-term service life in harsh environments.
Superior Airtightness
Specialized multi-layer processing ensures extremely low gas permeability, maximizing methane recovery rates and ensuring rigorous operational safety in biogas storage systems.
High Strength & Weathering
High-strength polyester base fabric withstands extreme internal pressure, heavy wind, and snow loads, with advanced UV resistance to prevent brittle cracking over 15+ years.
Easy Install & Maintenance
Lightweight design reduces sub-structure load and construction costs. Localized damage to the PVC biogas membrane can be quickly and easily repaired on-site via reliable thermal welding technology.
Pressure Compensation
The “breathing” double-membrane biogas cover design intelligently adapts to daily fluctuations, often eliminating the need for separate external gas holders.
High Cost-Effectiveness
Superior economic benefits in logistics, labor, and maintenance make our PVC biogas covers the mainstream choice for large-scale industrial and municipal biogas projects.
Target Biogas & Renewable Energy Applications
- Agricultural Manure & Livestock Anaerobic Digesters
- Municipal Wastewater Treatment Plant Biogas Recovery
- Landfill Gas Capture & Flare Systems
- Industrial Food Processing & Brewery Waste Digestion
Versatile Applications & Technical Specifications
Our industrial-grade biogas covers are engineered for versatility across a wide range of applications, including agricultural manure management, municipal wastewater treatment plants, and large-scale landfill gas recovery systems. We utilize high-tenacity, low-wicking polyester fabrics coated with premium PVC formulations that meet international safety and environmental standards.
Whether you are retrofitting an existing digester tank or designing a greenfield anaerobic digestion project, our technical team provides full support—from initial structural analysis to onsite installation guidance for your biogas membrane system. By optimizing tension geometry and material thickness, we ensure your PVC biogas cover remains stable under varying ambient temperatures and internal pressures, delivering consistent reliability year-round.
PVC Biogas Cover vs. Steel Gas Holder
| FACTOR | Lonsun PVC Biogas Cover | Steel Gas Holder |
|---|---|---|
| Weight & structure | Lightweight membrane | Heavy steel frame |
| Airtightness | Welded gas-tight seams | Good, regular maintenance |
| Corrosion resistance | Chemical & UV resistant PVC | Needs coating/protection |
| Installation | Fast, minimal foundation | Long, heavy construction |
| Cost efficiency | Low lifecycle cost | High CAPEX |
| Best for | Storage ponds, digesters, tanks | High-pressure gas storage |
TECHNICAL DATA & COMPLIANCE STANDARDS
| PROPERTY | 900gsm | 950gsm | 1150gsm | 1350gsm | 1650gsm | STANDARD |
|---|---|---|---|---|---|---|
| Base Fabric | 1000D | 1000D | 1300D | 1500D | 2000D | DIN ISO 2076 |
| Weave Structure | 12*12 Panama | 12*12 Panama | 12*12 Panama | 12*14 Panama | 12*14 Panama | Internal |
| Tensile Strength (N/5cm) | 4000/4000 | 4000/4000 | 5000/4800 | 6500/6000 | 8000/8000 | DIN 53354 |
| Tear Strength (N) | 580/500 | 580/500 | 800/750 | 950/950 | 1300/1250 | DIN 53356 |
| Gas Permeability | <180 cm³/m².bar.d | <400 | <400 | <400 | <400 | ISO 15105/1 |
| Temp. Resistance | -40/+70°C | -40/+70°C | -30/+70°C | -30/+70°C | -30/+70°C | EN 1876/1 |
| Fire Rating | M2 / B1 | M2 / B1 | M2 / B1 | M2 / B1 | B1 Pass | Various |
| Euroclass | B-s2,d0 | B-s2,d0 | C-s2,d0 | C-s2,d0 | C-s3,d0 | EN 13501-1 |
| UV Resistance | Excellent | Excellent | Excellent | Excellent | Excellent | ISO 4892-2 |
| Microbial Resistance | Excellent | Excellent | Excellent | Excellent | Excellent | Internal |
Frequently Asked Questions
How does Lonsun Tex ensure the chemical resistance of your biogas cover fabric?
Our PVC biogas membranes and industrial biogas covers are engineered with specialized surface treatments to withstand aggressive biogas components, specifically high concentrations of H₂S and CO₂, ensuring structural integrity and corrosion resistance in anaerobic digestion environments.
What standards do Lonsun Tex PVC biogas covers comply with?
We strictly follow international compliance standards. Our biogas cover membranes meet DIN ISO 2076 for base fabric, DIN 53354 for tensile strength, and B1/M2 fire-rating standards, ensuring safe and reliable operation for industrial biogas projects.
Can these PVC biogas covers be customized for large-scale storage?
Yes, we specialize in high-capacity solutions. We offer customized base fabric options ranging from 900GSM to 1650GSM for our PVC biogas membranes, tailored to the specific pressure requirements, wind loads, and operational scale of your biogas plant.
What is the expected service life of your biogas cover materials?
With advanced UV resistance and high-strength polyester base weaving, our biogas cover and membrane materials are designed for long-term outdoor exposure. Depending on environmental conditions, our products provide superior durability, reducing the need for frequent replacements.
How do you handle maintenance and repair for these industrial biogas covers?
Lonsun Tex PVC biogas covers are designed for ease of maintenance. The material is fully compatible with thermal welding technology, allowing for quick, professional, and airtight on-site repairs to localized damage without compromising the entire system’s functionality.