1.Operating limits:
   Pressure:0~1.2mpa
   Speed:0~3000rpm
   Temperature:-40~180 oC

2.Material:

   Rotary ring:sus304 (316)/carbon/sic/tc

   Stationary ring:carbon/sic/tc

   Secondary seal:nbr/epdm/viton/ptee

   Spring and other parts:s.s/sus304/sus316.