Mechanical Seal Style 23M

Dry-running Multi-Spring Component Seal

For Top Entry Mixers & Agitators

The 23M outside mounted component seal is a rugged, customizable choice designed to meet the unique challenges of equipment misalignment and dry-running applications which require self-lubricating faces and self-alignment.

Mechanical Seal Style 23M


  • Mounted outside of stuffing box
  • Cartridge-like installation with setting clips
  • Hydraulically balanced
  • Assembled and preset at the factory – no installation measurements required
  • Design options include –
    • Debris well/sanitary gland
    • Silicon carbide sleeve when non-metallic materials are required.


Operating Parameters

Max Temp: Limit set by elastomer choice [FFKM up to 550 °F (287.7 °C)]
Max Pressure: Full vacuum (28 inHg) up to 200 psig (13.7 bar)
Max Speed: Up to 600 rpm
Max Allowable Misalignment 0.150 max. radial TIR
0.062 max axial TIR
0.032 max seal chamber squareness TIR
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.


For more information on Style 23M

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.