Symbols Used; Defi Nition Of Terms; Intended Area Of Use; Technical Data - Gemü 611 Montageanleitung

2.3

Symbols used

Danger - hot surfaces!
Danger - corrosive materials!
GEMÜ 611: Danger - bodily injury!
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.
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.
Temperatures
Media temperature
Ambient temperature
Type Diaphragm size
GEMÜ 611
GEMÜ 671
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.
611, 671
Diaphragm material EPDM / FPM
10
25 - 100
4

Intended area of use

The GEMÜ 611 / 671 diaphragm valve

is designed for installation in piping
systems. It controls a fl owing medium by
manual operation.
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 diaphragm valve may only be used
G
in potentially explosive zones confi rmed
in the declaration of conformity (ATEX).
Operating pressure
0 - 10
0 - 10
20 / 36
WARNING
-10 to 80 °C
0 to 60 °C
[bar]
Diaphragm material PTFE (TFM)
0 - 6
0 - 6