Replacing 2.5" EPDM gasket - PR53 - PR53AC - PR53AP - PR53GC - PR53GP - PR53M - PR53SD - PR53W

PR53 Series User Guide

Document code
M212898EN
Revision
E
Language
English
Product
PR53
PR53AC
PR53AP
PR53GC
PR53GP
PR53M
PR53SD
PR53W
Document type
User guide

Follow these instructions to replace the 2.5" EPDM gasket in PR53 refractometers and flow cells.

  • Gasket 2.5" EPDM (Vaisala item 278220SP)
  • Wrenches of different sizes
Figure 1. Installing 2.5" EPDM gasket to PR53AC refractometer
Figure 2. Installing 2.5" EPDM gasket to flow cells
  1. Familiarize yourself with the safety instructions of the installation site.
  2. Make sure the process line is depressurized and empty.
  3. Open the clamp or clamps holding the refractometer or flow cell in place.
  4. Replace the gasket.
    CAUTION The old gasket can be hard to remove. To avoid damaging the sealing surface, do not use sharp tools for removing or installing the gaskets.
  5. Reinstall the refractometer with clamps.
  6. Keep the material certificates delivered with the spare part for later use.
  7. Recycle removed parts according to the recycling instructions in PR53 Series User Guide (M212898EN).