Tank for heating cylinder (collapsible) 24l AQUATICA (779165) Membrane expansion tanks are used to create a closed heating systems of various sizes in cottages, homes and other buildings having individual heating system may be used in heating systems, air conditioning and refrigeration systems. Function: Membrane Expansion tanks are designed to compensate for changes of volume of coolant depending on its characteristics temperatury.Tehnicheskie: Metal case of two steel halves painted steel alloy; membrane separating the enclosure into two cavities, made of synthetic ethylene-propylene rubber, which meets the certification requirements .Usloviya application: temperature range membrane of synthetic ethylene-propylene rubber EPDM from -10 ° c to + 99ºS; maximum air pressure in the cavity: up to 5 bar maximum system pressure: 5 bar; warranty time: 18 month