Assembly / Disassembly Of Spare Parts; Valve Disassembly (Removing Bonnet From Body); Removing The Diaphragm - GEM 655 Installation, Operating And Maintenance Instructions

Installation - Flange connection:
1. Pay attention to clean, undamaged sealing
surfaces on the mating fl anges.
2. Align fl anges carefully before installing them.
3. Centre the seals accurately.
4. Connect the valve fl ange and the piping
fl ange using appropriate sealing material
and matching bolting. Sealing material
and bolts are not included in the scope
of delivery.
5. Use all fl ange holes.
6. Only use connector elements made of
approved materials!
7. Tighten the bolts diagonally!
Observe appropriate regulations for
connections!
After the installation:
Reactivate all safety and protective
G
devices.
11 Assembly / disassembly
of spare parts
A
1
655
11.1 Valve disassembly
(removing bonnet
from body)
1. Move bonnet A to the open position.
2. Remove bonnet A from valve body 1.
3. Move bonnet A to the closed position.
Important:
After disassembly, clean all parts
of contamination (do not damage
parts). Check parts for potential
damage, replace if necessary (only
use genuine parts from GEMÜ).

11.2 Removing the diaphragm

Important:
Before removing the diaphragm,
please remove the bonnet, see
"Valve disassembly (removing
bonnet from body)".
1. Unscrew the diaphragm 2.
2. Clean all parts of the remains of product
and contamination. Do not scratch or
damage parts during cleaning!
3. Check all parts for potential damage.
4. Replace damaged parts (only use genuine
parts from GEMÜ).
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