Mechanical Seals

Cartridge Mechanical Seals

Type 55B

Cartridge Mechanical Seals

Type 55B Cartridge Mechanical Seal

Modular design, Balanced, multiple spring, ’O’-Ring Mounted, two-bolt gland Cartridge Mechanical Seal Assembly, with dual tangential flush as standard.

Designed with minimal internal and external protrusion and with gland dimensions for near universal fitting.

Easy to install, reliable and economical. Ideal for replacing Gland Packing on common marine and general Pump applications.

Highly effective design, complemented by Carbon vs SiC faces as standard, provides superior performance, ability, life and reliability.


  • 2-Bolt Gland design
  • Self-Aligning Stationary faces
  • Easy installation greatly minimising fitting errors
  • Hydraulically-balanced faces
  • Minimal internal and external protrusion
  • Non-Clogging seal faces and springs
  • Non-Shaft fretting
  • Carbon vs Silicon Carbide Seal Faces providing 3x higher pV values compared to Carbon vs Ceramic
  • Available Ex-Stock

Operating Limits

  • Temperature: -30°C to +150°C
  • Pressure: Up to 30 bar (435 psi)
  • For full Performance Capabilities please download data sheet

Limits are for guidance only. Product performance is dependent on materials and other operating conditions.

Send us an enquiry

To help us provide you with the best answer, please provide as much of the following as possible:

  • Vulcan Type Number
  • Shaft size
  • Seal face materials
  • Elastomer materials
  • Quantity

All fields are required