TapFlo DT Series, Original Instruction

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3. MAINTENANCE
IOM manual active pulsation dampeners
14
3.4. Location of faults
PROBLEM POSSIBLE FAULT POSSIBLE SOLUTION
The dampener does not
work
The air pressure is to low Check if set pressure equals set pressure for the
pump
The air connection is blocked Check / clean air supply connection
Muffler is blocked Check / clean / replace muffler
Dirt in the dampener chamber Remove debris from the chambers
Diaphragm breakdown Replace diaphragm
Liquid leaks from the
dampener
Screws on the housing not properly
tightened Check tightening torques of the screws
Damaged diaphragm Check / replace diaphragms
Tension / stress form the installation Adjust installation, eliminate stress, provide
separate support for dampener
Liquid comes out of the
muffler
Diaphragm breakdown Replace diaphragm
Continuous air leakage
through muffler
Air leakage through diaphragm shaft
Replace dampener block seal or/and diaphragm
shaft
Diaphragm breakdown
Wrong selection of material Contact us for information on material selection
Too high pressure in the installation Use pressure regulator for protection
Too high pressure on suction side Make sure there is pressure balance between the
air and liquid side of the diaphragm