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Trusted Infrastructure for Biogas & CBG Projects

Complete Storage & Digester Solutions by Winfra Winfra delivers end-to-end Biogas Balloon and Glass-Fused-to-Steel (GFS) Tank solutions specially engineered for Compressed Biogas (CBG) plants, Bio-CNG projects, wastewater treatment facilities, and anaerobic digestion systems. Our integrated storage systems are designed to maximize gas retention efficiency, ensure long-term structural reliability, and support continuous biogas production under demanding operating conditions. By combining advanced GFS tank technology with high-performance biogas membrane systems, Winfra provides a reliable, corrosion-resistant, and low-maintenance solution for modern renewable energy infrastructure.

Application
Features
Specification
Technology
Model Chart
Gallery

Applications of Biodigester Systems

Winfra offers complete engineering, manufacturing, supply, and installation support for:

Anaerobic Digester Tanks

Biogas Storage Balloons

Double Membrane Gas Holders

Slurry & Digestate Storage Tanks

Equalization Tanks

Process Water Tanks

Fire Water Storage Systems

Roof & Gas Sealing Systems

Tank Accessories & Piping Interfaces

Our systems are customized according to plant capacity, gas generation volume, substrate type, and project operating conditions.

Glass-Fused-to-Steel (GFS) Digester Tanks

Engineered for Long-Term Biogas Operations

Winfra GFS tanks are manufactured using advanced fusion technology where specially formulated glass coating is permanently fused to steel at high temperatures. This creates an inert, corrosion-resistant surface ideal for aggressive anaerobic digestion environments

Applications in CBG & Biogas Industry

Winfra solutions are suitable for:

  • Compressed Biogas (CBG) Plants
  • Bio-CNG Projects
  • Agricultural Waste Digesters
  • Municipal Organic Waste Plants
  • Distillery & Industrial Wastewater Plants
  • Food Waste Processing Units
  • Sewage Treatment Plants
  • Dairy & Poultry Waste Digestion Systems

Key Features of Biodigester Systems

Excellent corrosion resistance

Leak-proof modular construction

MHigh resistance to acidic and alkaline environments

Fast installation and commissioning

Long service life with low maintenance

Suitable for high-volume digestion systems

Expandable and relocatable structure

Biogas Balloon & Double Membrane Technology

Efficient Gas Storage for Maximum Plant Performance

Winfra biogas balloon systems are designed for safe, efficient, and flexible storage of biogas generated during anaerobic digestion. Our membrane systems help maintain stable gas pressure while protecting stored gas from environmental exposure and operational losses.

Available Configurations:

  • Single Membrane Biogas Balloon
  • Double Membrane Gas Holder
  • Roof-Mounted Gas Storage System
  • External Balloon Storage System

High-Performance Membrane Features

The biogas membrane systems are manufactured using premium technical fabrics engineered for long-term outdoor and industrial performance.

Benefits Include:

  • UV-resistant material
  • Gas-tight sealing performance
  • Weather-resistant construction
  • High tensile strength
  • Flame-retardant properties
  • Excellent flexibility and durability
  • Low maintenance operation

Roof & Gas Storage Options

We offer multiple roof and gas storage configurations:

  • Double Membrane Roof
  • Integrated Biogas Dome
  • External Balloon Gas Holder
  • Geodesic Roof
  • Fixed Roof Systems

Each system is designed to optimize gas collection efficiency and operational safety.

Sustainable Infrastructure for the Future

Winfra is committed to supporting India’s renewable energy and sustainable infrastructure growth by delivering high-quality biogas storage and digestion systems for modern CBG plants. Our integrated solutions are designed to improve operational efficiency, reduce maintenance costs, and ensure dependable long-term performance for biogas and Bio-CNG applications.

Technical Specifications of Biodigester Systems

Biogas Balloon with GFS Tank System

GFS Tank Specifications

Tank Type

Glass-Fused-to-Steel (GFS) Bolted Tank

Steel Grade

IS 2062 / Equivalent International Standard

Coating Technology

Glass-Fused-to-Steel

Coating Thickness

250–450 Microns

Panel Thickness

3 mm – 20 mm (As per design)

Tank Capacity

Customizable as per project requirement

Design Standard

AWWA D103 / ISO Standards

Tank Diameter

Customized

Tank Height

Customized

Operating Temperature

Suitable for biogas process conditions

Corrosion Resistance

Excellent

Installation Method

Top-to-Bottom Jacking Method

Foundation Type

RCC Foundation

Biogas Balloon / Double Membrane Specifications

Membrane Type

Single / Double Membrane

Material

PVC Coated Technical Fabric

Fabric Strength

High Tensile Strength

UV Resistance

Yes

Flame Retardant

Available

Gas Tightness

High Gas Retention Performance

Operating Pressure

Low Pressure Gas Storage

Weather Resistance

Suitable for outdoor conditions

Color Options

White / Grey / Custom

Expected Service Life

Long-term outdoor durability

Standard Accessories

  • Access Ladder
  • Safety Handrails
  • Manholes
  • Nozzles
  • Inspection Windows
  • Pressure Relief System
  • Gas Piping Interface
  • Air Blower System
  • Membrane Support System
  • Anchor Fasteners
  • Sealant System

Quality & Testing

GFS Tank Quality Tests

  • Spark Test
  • Coating Thickness Test
  • Adhesion Test
  • Visual Inspection
  • Leak Testing

Membrane Quality Tests

  • Air Tightness Test
  • Tensile Strength Test
  • UV Resistance Test
  • Weld Joint Inspection

Technology & Industry Acceptance

Winfra Biogas Balloon and GFS Tank systems are manufactured using internationally accepted Glass-Fused-to-Steel (GFS) and advanced membrane storage technology, widely adopted across global biogas, wastewater, and renewable energy industries.

Our systems are designed and manufactured in compliance with recognized standards such as:

Standards & Compliance

  • AWWA D103
  • ISO Standards
  • EN Standards for Membrane Systems
  • IS 2062 Steel Standards
  • International Coating & Structural Guidelines

Technology Applications

The technology is extensively used in:

  • CBG & Bio-CNG Plants
  • Anaerobic Digestion Systems
  • Municipal Wastewater Projects
  • Industrial Effluent Treatment Plants
  • Agricultural Biogas Infrastructure

With proven performance, long operational life, corrosion resistance, and modular construction, Winfra’s GFS and Biogas Storage technology has become a preferred solution for modern sustainable energy and storage

Model Chart

Biogas Balloon with GFS Tank System

WIN-BG-100

Tank Capacity:
100 m³

Gas Holder:
50 m³

Diameter:
4.5 m

Height:
6 m

Application:
Small Biogas Plant

WIN-BG-250

Tank Capacity:
250 m³

Gas Holder:
100 m³

Diameter:
6.5 m

Height:
7 m

Application:
Organic Waste Processing

WIN-BG-500

Tank Capacity:
500 m³

Gas Holder:
200 m³

Diameter:
9 m

Height:
8 m

Application:
Medium CBG Plant

WIN-BG-1000

Tank Capacity:
1000 m³

Gas Holder:
400 m³

Diameter:
12 m

Height:
10 m

Application:
Industrial Biogas Plant

WIN-BG-2000

Tank Capacity:
2000 m³

Gas Holder:
800 m³

Diameter:
16 m

Height:
12 m

Application:
Large CBG Facility

WIN-BG-5000

Tank Capacity:
5000 m³

Gas Holder:
2000 m³

Diameter:
24 m

Height:
14 m

Application:
Commercial Bio-CNG Projects