DIN 4809-1:1986-11
用于温水加热装置的弹性体复合材料补偿器(橡胶补偿器);最高工作温度为 100 °C,最大压力为 10 bar
Compensators made of elstomeric compound materials (rubber-compensators) for warm water heating-plants; up to a maximum operating-temperature of 100 °C and a maximum pressure of 10 bar