Nova-Tech Pulsafeeder OMNI DC2-DC6 - Manual (Page 14)

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Figure 7, gearset lubrication points
7.2 Wet End Removal, Inspection, & Reinstallation
I F THE DIAPHRAGM HAS FAILED , PROCESS FLUID MAY HAVE CONTAMINATED THE PUMP
ECCENTRIC HOUSING ( ALTHOUGH NORMALLY , ANY PROCESS FLUID BEHIND A FAILED
DIAPHRAGM WOULD PASS THROUGH THE BOTTOM DRAIN HOLE ). H ANDLE WITH APPROPRIATE
CARE .
Figure 8, wet end components
OMNI
®
diaphragms do not have a specific cycle life; however, the accumulation of foreign material
or debris sufficient to deform the diaphragm can eventually cause failure. Failure can also occur as a
result of system over pressure or chemical attack. Periodic diaphragm inspection and replacement are
recommended. Each user should perform regular inspections to determine the replacement interval
that is appropriate to their system conditions.