Valve Disassembly (Removing Actuator From Body); Removing The Diaphragm; Mounting The Diaphragm; 11.3.1 General Information - Gemu 605 Installation, Operating And Maintenance Instruction

11.1 Valve disassembly (removing
actuator from body)
1. Move actuator A to the open position.
2. Remove actuator A from valve body 1.
3. Move actuator 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 actuator, see
chapter 11.1 "Valve disassembly
(removing actuator from body)".
1. Pull out 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).
11.3

Mounting the diaphragm

11.3.1 General information

Important:
Incorrectly mounted diaphragm
may cause valve leakage /
emission of medium. In this
case remove the diaphragm,
check the complete valve and
diaphragm and reassemble again
proceeding as described above.
605
Important:
Mount the correct diaphragm
that suits the valve (suitable for
medium, medium concentration,
temperature and pressure). The
diaphragm is a wearing part.
Check the technical condition and
function of the diaphragm valve
before commissioning and during
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.
Compressor and actuator
flange seen from below:
The compressor is fixed to the spindle.

11.3.2 Mounting a concave diaphragm

Recess of compressor
Tab
1. Move actuator A to the closed position.
2. Place the diaphragm 2 with the fastening
spigot in an inclined position at the
recess of the compressor.
3. Turn / push it in manually.
4. Align diaphragm tab (identifying
manufacturer and material) in parallel to
valve body weir.
28 / 36
Fastening spigot