Multiple Spring Mechanical Seals
Narrow profile, metric shaft, multiple spring Mechanical Seal with a highly efficient design. These Mechanical Seal are frequently fitted with Type 24 DIN Long 'O'-Ring stationary seals.
Type 1659 incorporates a PTFE wedge secondary Mechanical Seal.
Type 1659S is an 'O'-Ring Mounted design.
Specify a Type 24 DIN Long 'O'-Ring stationary seal by addition of an "L" to the end of the type: 1659L / 1659SL.
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.
Limits are for guidance only. Product performance is dependent on materials and other operating conditions.
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