RMBS B-13 SC – Single Cartridge Seal

RMBS B-13 SC – Single Cartridge Seal

Series of Rotating Metal Bellow seals, static o-ring is used as a secondary member. The absence of dynamic o-ring prevents possibility of seal hangup or damage the shaft or sleeves. As a standard,  AM 350 Bellow cores are used. For chemical compatibility Alloy C-276 or Alloy 20 bellow cores can be used.

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Seal Face Carbon, SiC, TC
Metal Parts SS 316, Hastelloy C, Alloy 20
O-ring Elastomer

Seal Characteristic

    • Dual Seal
    • Balanced Seal
    • Independent of direction of rotation.
    • Standard API 682 Arrangement 3 Type A for pressurized barrier configurations.


    • Petrochemical industry
    • Oil and Gas industry
    • Process pumps


  1. Stationary Packing
  2. Stationary Face
  3. Rotary Face
  4. Rotary Packing
  5. Backup Ring
  6. Spring
  7. Set Screw
  8. Spring Holder
  9. Sleeve Packing
  10. Sleeve
  11. Bushing
  12. Cir-Clip
  13. Cap screw
  14. Drive Collar
  15. Setting Clip
  16. Hex Head Bolt
  17. Packing Gland
  18. Gland

Performance Range

Shaft Diameter 25 – 100mm
Pressure Up to 20 bar (max)
Temperature -60 ~ 250oC
Velocity 25 m/sec

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