Mechanical Seal Style SS

Single Stationary Single Spring Cartridge with Circulation Gland

Mechanical Seal Style SS


  • Part of Flexaseal’s integrated/platform single cartridge seal design
  • Patented (Patent Number US 7,979,986) Plunger-Lock drive
  • Stationary pusher design
  • Hydraulically balanced
  • Heavy-duty rugged design
  • No little springs to clog or fatigue, simply one beefy single spring located out of the product
  • Easy cartridge installation
  • Sleeve is isolated from product
  • Flush position maximizes face cooling
  • Shrouded rotary seal ring for maximum face protection and reliable start-up
  • Uniform 360° transfer of torque to primary rotating face
  • No pins to break or hang up
  • Easily upgradeable faces, metallurgies, and elastomers
  • Faces designed for optimum heat dissipation
  • Metric sizes available

SS3 with Circulation, Vent & Drain Gland

Stationary Single Spring Cartridges

  • All the benefits of the SS design plus vent and drain gland with throttle bushing
  • Pipe connections are made to different sizes to assure that correct piping plans are employed
  • Cost-effective upgrade


Operating Parameters

Max Temp: 400°F (204°C)
Max Pressure: 300 PSI (20 bar)
Max Speed: 6000 FPM (30 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.


For more information on the SS

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.