Type 1645 / 1645s

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Type 1645 / 1645s

Narrow profile, multiple spring Mechanical Seal, designed for the common American ANSI B73-1974 centrifugal pump standard.

Frequently fitting with Type 23 PTFE boot-mounted stationary seal.

Type 1645 utilizes a PTFE wedge secondary seal.

Type 1645S is an 'O'-Ring Mounted design.

The stock size 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.

Features
  • Narrow profile, Multiple Spring Mechanical Seal
  • To suit common American ANSI B73-1974
  • Fitted with Type 23 P.T.F.E boot-mounted Stationary
Operating Limits
  • Temperature: -30°C to +140°C
  • Pressure: Up to 23 bar (333 psi)
  • For full Performance Capabilities please download data sheet

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