Troubleshooting List - GF CONTAIN-IT Plus Bedienungsanleitung

Instruction Manual
8. The CONTAIN-IT Plus Ball Valve and
the actuator are now ready to use.
9

Troubleshooting list

Problem
Deformation and
expansion of piping /
valve
Premature wear of
diaphragm valve or
individual parts
Leakage to the outside
at flange joint
Leakage to the outside
at union nuts
44
Fig. 20
Possible cause of
fault
Piping stresses due
to restricted
thermal expansion
Material of the
housing or the seal
is inadequately
resistant
Changes in
temperature
Defective seal
Loose association of
nut and valve body
Defective seal
Troubleshooting list
Problem fixing
Improve the piping support.

 Choose suitable materials, see
list of "Chemical Resistance" or
the planning fundamentals.
 Tighten joint or if necessary
replace sealings.
 Replace sealings.
 Tighten joint with manual effort.
 Replace sealings.