Mechanical Seal Style RS

Single Rotating Multi-Spring Cartridge with Circulation Gland

Mechanical Seal Style RS


  • Part of Flexaseal’s integrated/platform single cartridge seal design
  • Patented (Patent Number US 7,979,986) Plunger-Lock drive
  • Hydraulically balanced
  • Homogeneous monolithic seal ring
  • Unique shrouded rotary assembly
  • Drive mechanisms, springs and the sleeve are isolated from the product, minimizing corrosion and stress-related failure
  • The seal faces are positioned in the gland for maximum protection
  • A dynamic elastomer moves on a non-metallic surface and eliminates fretting
  • The flush position maximizes face cooling
  • Metric sizes available

RS3 with Circulation, Vent & Drain Gland

  • All the benefits of the RS 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: 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.


For more information on the RS

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.