RMS U-11 BTB – Unbalanced Rotary Multi Springs

RMS U-11 BTB – Unbalanced Rotary Multi Springs

Multi spring type, double mechanical seals back to back, recommended for liquids which do not form lubricating film and for toxic, flammable and explosive media. Use of barrier or buffer fluid system assures reliable run of the seal providing lubrication, cooling and removal of deposits from sliding faces area.


Seal Face Carbon, SiC, TC
Metal Parts SS 316, Hastelloy C
Bellows Elastomers / PTFE Wedge

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Seal Characteristic

    • Double Seal.
    • Multi Spring
    • Unbalanced Seal
    • Independent of direction of rotation


    • General Chemicals.


  1. Stationary Packing
  2. Stationary Face
  3. Rotary Face
  4. Rotary Packing
  5. Spring
  6. Back-up Ring
  7. Set Screw
  8. Spring Holder

Performance Range

Shaft Diameter 25 – 120mm
Pressure 10 bar (max)
Temperature -20 ~ 180oC
Velocity 20 m/sec

We Offer A Solution That Commits To The Target