Type 1659B/1659BS

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.

Features
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)