Type 1659B/1659BS - Multiple Spring Mechanical Seals | Vulcan Seals
Mechanical Seals

Type 1659B/1659BS

Multiple Spring Mechanical Seals

Type 1659B Multiple Spring Mechanical Seal

Narrow profile, metric shaft, multiple spring Mechanical Seal with a highly efficient design. These seals are frequently fitted with Type 24 DIN Long 'O'-Ring Stationaries.

Types 1659B and 1659BS are balanced designs for stepped-shafts.

The stock size code is always set by the shaft size under the seal body.

A PTFE backup ring is recommended to be specified for higher pressure ‘O’-Ring applications.


  • Narrow profile, Multiple Spring Mechanical Seal
  • Highly efficient design
  • Fitted with 24 DIN Long 'O'-Ring Stationaries

Operating Limits

  • Temperature: -30°C to +140°C
  • Pressure: Up to 40 bar (580 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

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

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