Samson EB 8075 EN, Mounting And Operating Instructions

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8-2 EB 8075 EN
Malfunctions
Malfunction Possible reasons Recommended action
Increased flow through
closed valve (seat leak-
age)
Dirt or other foreign
particles deposited
between the seat and
piston
Shut off the section of the pipeline and flush the
valve.
Valve trim is worn out. Contact our after-sales service.
Gasket underneath the
seat bridge is worn out.
Contact our after-sales service.
Gasket at the cage is
worn out.
Contact our after-sales service.
The valve leaks to the
atmosphere (fugitive
emissions).
Defective packing 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 'Testing the installed
valve' section). 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.
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