
Double Membrane Biogas Storage Tank. Customizable Design: Tailor-made solutions with technical R&D, installation guidance, and custom dimensions. Durable PVDF Material: PVDF membrane offers anti-UV, weathering, and antiaging properties for 15-20 year life. Foldable & Reusable: Easy to ship and store; reusable design reduces installation and foundation costs. Double Control System: Dual fans and double control systems provide reliable pressure regulation and safety. Safe Gas Storage: 3/4 sphere design with safety protector releases excess pressure to protect the membrane. Multi-Gas Compatibility: Suitable for storing biogas, air, carbon dioxide, oxygen, and other neutral gases. Digital Monitoring: Auto control system with digital data output for pressure, volume, and leakage monitoring.