Rubber Bellows Seal: RBT-12

HydroMax Seal RBT-12 | Rubber Bellows Component Seal with Single Parallel Spring

The RBT-12 is a single-spring, rubber-bellows component seal designed for versatility and ease of installation. Featuring a parallel spring and friction-drive collar, it provides reliable torque transmission from the shaft to the seal faces. The seal includes a monolithic face and is supplied with a stationary seat as standard.

Dimensionally equivalent to the Burgmann MG12, the RBT-12 is a proven solution for general-purpose pump sealing across various industries.

Product Description

Design Features

  • Parallel single spring with rubber bellows for compact, self-aligning operation
  • Friction-drive collar ensures dependable shaft engagement
  • Monolithic seal face for increased thermal and mechanical stability
  • Supplied with the stationary seat as standard
  • Fully interchangeable with the Burgmann MG12 design
  • Ideal for clean water, light chemicals, and general service applications

 

Technical Specifications

  • Seal Shaft Sizes:
    12mm – 55mm
  • Inboard Seal Face Combinations:
    Car/SiC, Car/Cer, SiC/SiC
  • Bellows Material:
    EPDM
  • Shaft Speeds:
    up to 10 m/s
  • Pressures:
    up to 12 Barg (174 psig) – Shaft Size Specific

HydroMax Seal RBT-12 offers a durable, OEM-equivalent sealing solution for pumps that require low maintenance and consistent performance.

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