Page 181 - Machinery Component Maintenance

Appendix 4-B

Specifications for Cleaning

Mechanical Seal Pots and

Piping for Centrifugal Pumps

1. THIS SPECIFICATION COVERS THE INSPECTION, CLEANING,
AND PRESERVATION OF MECHANICAL SEAL POTS AND THEIR
ASSOCIATED PIPING ON NEW PUMPS PRIOR TO START-UP AND
COMMISSIONING, AND ON EXISTING PUMPS WHICH HAVE THEIR
MECHANICAL SEAL PIPING MODIFIED.
2. THIS WORK SHALL BE DONE CONCURRENTLY WITH CLEANING
AND SETTING OF MECHANICAL SEALS ON NEW PUMPS.
11. MATERIALS
1. THE FOLLOWING MATERIALS WILL BE REQUIRED FOR THIS
WORK:
FRESH WATER
SODIUM HYDROXIDE
SODIUM METASILICATE
TRISODIUM PHOSPHATE
INON-IONIC DETERGENT
*HYDROCHLORIC ACID
*AMMONIUM BIFLOURIDE
"ARMOHIB 28 OR EQUIVALENT
*CITRIC ACID
*SODA ASH
*SODIUM NITRITE
10 MICRON FILTER SCREENS
*THESE CHEMICALS ARE NOT USED TO CLEAN STAINLESS STEEL PIPING
OR SEAL POTS.
2. QUANTITIES WILL VARY BASED ON THE SIZE AND AMOUNT OF
PIPING TO BE CLEANED.
I I I , DISASSEMBLY
1. ALL INSTRUMENTATION IN THE SEAL PIPING SHALL BE
REMOVED PRIOR TO DISASSEMBLY OF THE PIPING AND
SEAL POTS.
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