Symbols Used; Defi Nition Of Terms; Intended Area Of Use; Technical Data - Gemü 695 Original Einbau- Und Montageanleitung

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 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.
The valve will seal in both flow directions up to full operating pressure. (All pressures are gauge pressures.)
Temperatures
Medium temperature
Ambient temperature
Control medium
Max. perm. temperature of control medium
Filling volume
Actuator size
1/N
2/N
3/N
C.f. 3 = for filling volume in open position see c.f. 1;
695
4
The GEMÜ 695 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 diaphragm valve may only be used
G
in potentially explosive zones confi rmed
in the declaration of conformity (ATEX).
Control function 1
0.17 dm³
0.38 dm³
1.10 dm³
for filling volume in closed position see c.f. 2
22 / 40

Intended area of use

WARNING
Control function 2
0.11 dm³
0.23 dm³
0.54 dm³
-10 to 80 °C
0 to 60 °C
40 °C