Type 1688 - Wave Spring Mechanical Seals | Vulcan Seals
Mechanical Seals

Wave Spring Mechanical Seals

Type 1688

Wave Spring Mechanical Seals

Type 1688 Wave Spring Mechanical Seal

Sinusoidal wave spring ‘O’-Ring mounted Mechanical Seal with narrow cross-section, short working length, set-screw drive and monolithic head.

Most commonly installed on lobe-rotor pumps, where the twin-shafts and compact pump design make this very compact seal an ideal solution, especially for confined spaces and hygienic applications.


  • Monolithic rotary head
  • Highly compact design for confined spaces
  • Wave springs for minimal operational stress
  • Set screw drive
  • Ideal for rotary lobe pumps found in food, process and dairy industries

Operating Limits

  • Temperature: -30°C to +140°C
  • Pressure: Up to 10 bar (145 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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