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Plan 21

Plan 21
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  • Plan 21
  • PLAN 21 can be used for single  seals alone or combined with PLAN52/53 for double  seals;

  • After the pumped fluid is cooled by the cooler, meet secondary sealing element temperature limits to reduce    coking or polymerizing;

  • Improve the lubrication performance of the seal end face;

  • Provide enough differential pressure to achieve a good flush flow rate.


  • The cooler adopts serpentine coil inside, convection heat transfer, heat exchange area is fully utilized, heat exchange effect is good, TUBE coil system, outer wall polishing Ra≤0.4μm, increase heat exchange efficiency, and is not easy to scale;

  • The outlet of the cooler is equipped with universal shock resistant bimetal thermometer, which can adjust the Angle arbitrarily, so that the on-site staff can conveniently monitor the temperature of flush liquid in real time.

  • The back bracket adopts the design of hanging ear, which is convenient for on-site installation and disassembly.


Pressure:-0.1 ~ 2.0 MPa
Temperature:0 ℃ ~ 160 ℃
Material available:304SS/316SS, etc
Flushing medium:Pumping fluid


Plan 21

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