Type 1645b / 1645bs
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.
Types 1645B and 1645BS are balanced designs for stepped-shafts.
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 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.
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