Horizontal cylindrical buffer storage tanks made of quality steel are designed for an operating pressure of 3 or 6 bar - higher operating pressures are possible - and an operating temperature of up to 110 ° C for operation without gas cushions. Two heat distribution pipes ensure the laminar flow; the dimension is matched to the tank volume or the specific system. Standard inspection opening DN 500, a ventilation socket and sensor connections. The insulation with a thermal insulation of 100 mm PUR foam is protected by a watertight GRP cover. Various shafts are available for accessing the container.