PH640 is a four piece double acting heavy duty compact seal which consists of one PTFE bronze profile ring, one elastomeric nitrile rubber pre-load sealing element and two thermoplastic back-up rings.
  • High sliding speed
  • Low friction, free of stick-slip
  • Simple groove design
  • Long service life
  • Very good sealing performance even with pressure peaks
  • High resistance to abrasion
  • Increased clearance possible

Mining equipment, construction machinery, and earth moving equipment.

  • Diameter:
    50 mm to 360 mm
  • Temperature:
    -30 ° C to 105 ° C
  • Pressure limit:
    400 bar
  • Speed limit:
    1.5 m/s

Press the link below and download the technical specification for PH640(K19).

Material specification: PH640(K19)

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Name Material Inner Outer Height
SKU Name Material ID(∅d) OD(∅Db) GW(B) Price Availability