Pulsafeeder Pulsa GLM DM1-6 User Manual download pdf (Page 13)

4.2 Wet End Removal, Inspection, & Reinstallation

IF 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

). HANDLE WITH APPROPRIATE CARE.

Figure 11: Wet End Components

Item Description

Qty.

DM1 and

DM2

DM3 and

DM4

DM5 and

DM6

Discharge Connection

Assembly

Discharge Valve Assembly

O-ring

Reagent Head

Diaphragm

Front Cover Plate

Hex Head Bolt

Flat Washer

Suction Check Valve

Assembly

Suction Connection Assembly

Hex Nuts

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.

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Pulsafeeder Pulsa GLM DM1-6 User Manual Page 13