Mechanical Seal Style 23

Externally Mounted Mechanical Seal for extreme corrosive services

Mechanical Seal Style 23


  • Mounted outside of stuffing box
  • Only corrosion resistant materials are in contact with product
  • Hydraulically balanced
  • Simple design is assembled at the factory – no installation measurements required
  • Primarily seal face is shrouded in rugged metal drive holder to minimize potential breakage
  • Adaptable to plastic or PTFE sleeves with optional split metal collar which will not damage the softer sleeve material
  • Inch and metric sizes available


Operating Conditions

Max Temp: 250ºF (121ºC)
Max Pressure: 150 PSI (10 bar)
Max Speed: 4500 FPM (22 m/sec)

Note: Max Temperature / pressure / speed indicate operating extremes independently and do not imply the seal will function at these extremes at the same time. Contact Flexaseal Engineered Seals and Systems, LLC if in doubt.


Quote Request

Depending on your specific needs and application, Flexaseal can help you identify the ideal products. Contact us to tell us about your needs and request a quote.