Symbols Used; Defi Nition Of Terms; Intended Area Of Use; Technical Data - Gemu 605 Installation, Operating And Maintenance Instruction

2.3

Symbols used

Danger - hot surfaces!
Danger - corrosive materials!
Hand: indicates general information
and recommendations.
Bullet point: indicates the tasks to
G
be performed.
Arrow: indicates the response(s) to
®
tasks.
Enumeration sign

3 Definition of terms
Working medium
The medium that flows through
the diaphragm valve.
Control medium
The medium whose increasing or
decreasing pressure causes the diaphragm
valve to be actuated and operated.
Control function
The possible actuation functions
of the diaphragm valve.
5

Technical data

Working medium
Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and chemical properties of the body
and diaphragm material.
Control medium
Inert gases
Max. perm. temperature of control medium
Filling volume
Diaphragm size
8
All pressures are gauge pressures. Operating pressure values were determined with static operating pressure applied on one side of a closed
valve. Sealing at the valve seat and atmospheric sealing is ensured for the given values.
Information on operating pressures applied on both sides and for high purity media on request.
605
Operating pressure [bar]
EPDM / FPM PTFE (TFM)
0 - 8
4

Intended area of use

The GEMÜ 605 diaphragm valve is

designed for installation in piping systems.
It controls a fl owing medium by being
closed or opened by a control medium.
The valve may only be used providing

the product technical criteria are
complied with (see chapter 5
"Technical Data").
Do not paint the bolts and plastic parts of

the diaphragm valve!
Use the diaphragm valve only for the
intended purpose!
® Otherwise the manufacturer liability and
guarantee will be void.
Use the diaphragm valve only in
G
accordance with the operating
conditions specifi ed in the contract
documentation and in the installation,
operating and maintenance
instructions.
The valve may only be used in
G
potentially explosive zones confi rmed
in the declaration of conformity (ATEX).
C.f. 1
0 - 6 4 - 7
20 / 36
WARNING
Control pressure [bar]
C.f. 2 + 3
max. 4 bar (see diagram)
40 °C
0.02 dm
3