8.913-970.0 - L • WATERMAZE CLP 5024/7034
83
W
A
TER TREA
TMENT
SYSTEM
T
roub
leshooting Guide
TROUBLESHOOTING - WATER SEALS
PROBLEM
POSSIBLE CAUSE
SOLUTION
CRACKED OR BROKEN
STATIONARY SEAT
(CERAMIC)
Seal ran dry and heated up.
When liquid reached seal faces
it was cooler, causing thermal
cracks
Check to insure seal chamber is full of liquid
before starting pump. On high temperature
application insure proper fl ushing at seal faces.
CARBON WASHER
SCORED AND GROOVED
Dirty system
Have system cleaned and fl ushed. Consider
use of Tungsten Carbide or Silicon Carbide
Rings.
CARBON WASHER
WORN UNEVENLY
Seal improperly installed
Check installation instructions for
proper assembly.
FLEXIBLE DIAPHRAGM
BROKEN
Coupling misalignment
Realign pump and motor.
SHORT SEAL LIFE IN
TREATED SYSTEMS
Treatment level and temperature
higher than anticipated
Use Viton Elastomers, High Temperature
Carbon, Ni Resist Tungsten Carbide or Silicon
Carbide Seat.
BUNA DIAPHRAGM
HARD AND BRITTLE.
RAPID CARBON WEAR.
Air leak on suction side of pump
Check cover gasket, hand knobs, hose,
clamps, etc. Replace or tighten as necessary.
DIAPHRAGM SOFT AND
STICKY; APPEARS TO
BE DISSOLVING.
Bellows not compatible with
material being pumped
Consult factory for recommendation advising
of pumpage and temperature.