1)graphite ring is pressed mainly by graphite
2)it can make use of sealing fuction
3)it`s use in high and low temperatur

1)graphite ring is pressed by inflation graphite strip winding stainless steel web

2)it has good spring,steady inner chemical factors and can make good use of sealing fuction

3)it is used in the sealing parts of machine pump value in the medium of high temperature,high pressure,steam,heat exchanged liquid ammonia,hydrogen,organic flux,carbon and hydrogen compounf,low temperature liquid etc.

4)temperature:-200-850

  pressure:0-30.0MPa