1、Feature：PTFE packing set and piston ring is a new type sealing material which is the substitute of asbestos packing set and cast steel piston ring, they have the feature of high temperature resistance、long useful life and easy maintenance, and can protect piston body and guarantee inner wall of crock smooth from abrasion.

2、Usage ：It is applied as sealing element for forging hammer.

3、Specification：1/4t-5t free packing set of forging hammer, all kinds of specification of packing set of 1t-16t moulde forging hammer.