Dynamic Slide Ring Double Acting:

The AF-551 consist of an O-ring, X-ring and a PTFE part as could be made with many different fillers. The three parts will give you a very good sealing performance also gastight. The seal body will also be made with notches, as is standard that let you have rapid changes of pressure from one side to the other side and help the seal to be pressure riced fast. High sealing effect and separate any media, gas etc. in an excellent way.

  • Double seal due to teflon and rubber
  • Simple groove design, ISO 7425/1
  • Can be notched
  • No Stick-slip
  • Used as a primary seal
  • High sealing effect

Limitations on Use  
Operating pressure Up to 60 MPa (600 bar), with oil up to 35 MPa (350 bar) in reduced lubrication
Velocity reciprocating to 12 m/s
Temperature -45 to +200 °C (depending on O-ring material)



Serie Number AF-551