Designed to maintain constant water pressure and mitigate hydraulic shock in domestic and industrial water supply system installations, which can cause serious damage to long pipe systems. The tank material is steel, the flange material is stainless steel with a plastic deposit at the point of contact with water, the membrane material is EPDM (food rubber), the tank is painted with powdered thermal. Characteristics: body and substrate material - carbon steel, membrane - vulcanized rubber EPDM (food rubber), wall thickness - at least 1.5 mm, construction - vertical, volume - 80 l, maximum working pressure - 10 bar, maximum test pressure - 15 bar, nominal air pressure - 4 bar, water temperature range - (-10...+110) C, pipe diameter: 1"