09-12-1998 дата публикации
Номер: CN0002299979Y
The utility model provides a fire-retardant corrugated pipe compensator, comprising an end pipe, a bellows, a flow guide pipe, a sealing ring, a process flange, a connecting flange, etc. The flow guide pipe and the end pipe of an air inlet end are expanded and welded, and the flow guide is longer than the bellows. The sealing ring is added between the flow guide pipe and the end head of an air outlet end, and the two ends of the bellows are connected with the process flange. The end part is welded with the process flange, and the process flange is welded with the connecting flange. The flow guide pipe is made of copper or copper base alloy materials which have the fire retardant function. The utility model has the fire retardant function and can also compensate the change amount of the heat expansion and cold contraction of oxygen pipe lines. The fire-retardant corrugated pipe compensator has the advantages of land saving, material saving, fund saving and safety and is suitable for oxygen ...
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