Samson 3291, Translation Of Original Instructions

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8-2 EB 8072 EN
Malfunctions
Malfunction Possible reasons Recommended action
Increased flow through
closed valve (seat
leakage)
Dirt or other foreign
particles deposited
between the seat and
plug.
Shut off the section of the pipeline and flush the
valve.
Valve trim is worn out. Replace seat and plug (see the 'Servicing' section)
or contact our after-sales service.
Gasket (127)
underneath the seat
bridge is worn out.
Replace gasket (see the 'Servicing' section) or
contact our after-sales service.
Gasket (126) at the
seat retainer (124) or
flow divider (62) is
worn out.
Replace gasket (see the 'Servicing' section) or
contact our after-sales service.
The valve leaks to the
atmosphere (fugitive
emissions).
Defective packing Replace packing (see the 'Servicing' section) or
contact our after-sales service.
Version with adjustable
packing 1) : packing not
tightened correctly
Adjust the packing (see information under
'Adjusting the packing' in the 'Installation' section >
'Testing the installed valve'). Contact our after-sales
service when it continues to leak.
Version with bellows
seal: the bellows seal is
defective.
Contact our after-sales service.
Flange joint loose or
gasket worn out
Check the flange joint.
Replace gasket at the flanged joint (see the
'Servicing' section) or contact our after-sales
service.
1)
See the 'Markings on the device' section
Contact our after-sales service for malfunctions not listed in the table.
Note