Double layer gasholder, extern, on concrete foundation Rectangle shape / Half-dome shape. 

• gas storage membrane PE-LD, black, biogas resistant
• weather protection membrane, PVC-coated polyester fabrics UV-protected, both side with finisher 6000N
• tightening the floor with protection fleece and PE-LD membrane
• 2 standard connections on the ground by arrangement
• suction protection for gas extraction (drilled pipes)
• 2 pcs. blower set: fan (ATEX), connecting pipe, spiral coiled tube, exhaust air dom
• anchoring: stainless steel double flat profile screwed on top of the foundation
• laser filling indicator with signal 4-20 mA
• calming system
• flange for pressure measurement
• Belt system above the weather protection foil for more safety on wind load and stabilization (Sun sail at the highest point made of stretchable light grey PVC material to compensate for tension peaks) (Connection of all electrical components by on-site electrician) without service shafts or similar installations operating

Dimension: 54*30*15 m (L*W*H)
Wind Zone 2
Total gas storage volume approx. 13.090 m³
Pressure: + 2-3 mbar, - 1 mbar,
Gas extraction flow max. 5.000 m³/h (expandable)