Replace Diaphragm - GF CONTAIN-IT Plus Bedienungsanleitung

Maintenance
7.1

Replace diaphragm

WARNING
Replacing diaphragm!
Damage to property and/or personal injuries due to medium which may exit
uncontrollably or flow out from the pipe or valve.
 If a PTFE diaphragm is used: Replace both, PTFE and backing diaphragm
EPDM or FPM.
Make sure that the piping system is completely empty and that all pressure is
1.
released.
Disassemble diaphragm valve, see chapter 6.1
2.
3. To open the housing nut of the inner
diaphragm valve use the smaller
installation wrench and pin wrench.
Notice:
On opening: unlatching of the friction
lock is clearly audible
NOTICE
Dismounting diaphragm
Position indicator will break, if spindle assembly is completely turned off.
Position of the diaphragm can no longer be shown by the indicator.
 On opened valve: Only turn the hand wheel two times to loosen the
diaphragm from the inner housing.
First do two turns with the hand wheel to loosen diaphragm from the inner ousing.
4.
Hold hand wheel tight and screw diaphragm counter clockwise out of the inner
housing.
Fig. 21
Instruction Manual
47