2 wet end removal, inspection, & reinstallation, Wet end removal, inspection, & reinstallation – Pulsafeeder Pulsa GLM DM1-6 User Manual
Page 13
9
4.2
Wet End Removal, Inspection, & Reinstallation
I
F THE DIAPHRAGM HAS FAILED
,
PROCESS FLUID MAY HAVE CONTAMINATED OTHER PARTS OF THE PUMP
INCLUDING THE DRIVE COMPONENTS
(
ALTHOUGH NORMALLY
,
ANY PROCESS FLUID BEHIND A FAILED
DIAPHRAGM WOULD PASS THROUGH THE BOTTOM DRAIN HOLE
).
H
ANDLE WITH APPROPRIATE CARE
.
Figure 11: Wet End Components
Item
Description
Qty.
DM1 and
DM2
DM3 and
DM4
DM5 and
DM6
1
Discharge Connection
Assembly
1
1
1
2
Discharge Valve Assembly
1
1
1
3
O-ring
2
2
2
4
Reagent Head
1
1
1
5
Diaphragm
1
1
1
6
Front Cover Plate
1
1
1
7
Hex Head Bolt
8
10
12
8
Flat Washer
8
10
12
9
Suction Check Valve
Assembly
1
1
1
10
Suction Connection Assembly
1
1
1
11
Hex Nuts
8
10
n/a
PULSA GLM
®
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.