Assembly / Disassembly Of Spare Parts; Valve Disassembly (Removing Bonnet From Body); Removing The Diaphragm; Mounting The Diaphragm - GEM 611 Instructions Manual

Handwheel clamp GEMÜ 671 (optional)
Key
Locking the handwheel:
Press down key in the lock (arrow) and lock
by turning it left. The key can be removed.
Unlocking the handwheel:
Insert key into lock (arrow) and unlock by
turning it right. The key cannot be removed.
11 Assembly / disassembly
of spare parts
GEMÜ 611
21
18
19
20
GEMÜ 671
19
18
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. 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).
A

11.3 Mounting the diaphragm

2
1

11.3.1 General information

Important:
Mount the correct diaphragm
A
that suits the valve (suitable for
medium, medium concentration,
temperature and pressure). The
diaphragm is a wearing part.
Check the technical condition and
2
function of the diaphragm valve
before commissioning and during
1
the whole term of use. Carry out
checks regularly and determine the
check intervals in accordance with
the conditions of use and / or the
regulatory codes and provisions
applicable for this application.
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611, 671