Troubleshooting - Gemü BB06 Betriebsanleitung

13 Troubleshooting

13 Troubleshooting
Error
The product does not open or does not
open fully
The product does not close or does not
close fully
Connection between valve body and pip-
ing leaking
Valve body leaking
GEMÜ BB06
Possible cause
Operating pressure too high
Foreign matter in the product
Operating pressure too high
Foreign matter in the product
Incorrect installation
Flange bolting loose/thread leaking
Flange seals faulty
Sealing material faulty
Threaded connections / unions loose
Incorrect installation
Seat and flange seals incorrectly moun-
ted
Seat and flange seals faulty
Valve body leaking or corroded
36 / 40
Troubleshooting
Operate the product with operating pres-
sure specified in datasheet
Remove and clean the product
Operate the product with operating pres-
sure specified in datasheet
Remove and clean the product
Check installation of valve body in piping
Retighten flange bolting / reseal threads
Replace flange seals
Replace sealing material
Tighten threaded connections / unions
Check installation of valve body in piping
Mount seat and flange seals correctly
Replace seat and flange seals
Check valve body for damage, replace
valve body if necessary
www.gemu-group.com