Definition Of Terms; Intended Area Of Use; Technical Data - GEM 601 Installation, Operating And Maintenance Instrutions

3

Definition of terms

Working medium
The medium that flows through the valve.
4

Intended area of use

The GEMÜ 601 / 602 valve is designed

for installation in piping systems. It
controls a flowing medium by manual
operation.
The valve may only be used providing

the product technical criteria are
complied with (see chapter 5

"Technical Data").

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.
Diaphragm
Type
size
GEMÜ
8
601/602
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.
Temperatures
Media temperature
FPM (Code 4/4A)
EPDM (Code 13/3A)
EPDM (Code 17)
PTFE/EPDM (Code 54)
PTFE/EPDM (Code 5M)
Sterilisation temperature
FPM (Code 4/4A)
EPDM (Code 13/3A)
EPDM (Code 17)
PTFE/EPDM (Code 54)
PTFE/EPDM (Code 5M)
¹ The sterilisation temperature is valid for steam (saturated steam) or superheated water.
² If the sterilisation temperatures listed above are applied to the EPDM diaphragms for longer periods of time,
the service life of the diaphragms will be reduced. In these cases, maintenance cycles must be adapted accordingly.
This also applies to PTFE diaphragms exposed to high temperature fluctuations.
PTFE diaphragms can also be used as moisture barriers; however, this will reduce their service life.
The maintenance cycles must be adapted accordingly.
GEMÜ 555 and 505 globe valves are particularly suitable for use in the area of steam generation and distribution.
The following valve arrangement for interfaces between steam pipes and process pipes has proven itself over time:
A globe valve for shutting off steam pipes and a diaphragm valve as an interface to the process pipes.
Ambient temperature
Operating pressure [bar]
Nominal Diaphragm
size material
DN 4 - 15 3A, 4A, 17
(1)
Do not paint the bolts and plastic parts of

the valve!
Use the valve only for the intended
purpose!
Otherwise the manufacturer liability and
®
guarantee will be void.
Use the valve only in accordance with
G
the operating conditions specified
in the contract documentation and
installation, operating and maintenance
instructions.
The valve may only be used in
G
potentially explosive zones confirmed
in the declaration of conformity (ATEX).
EPDM / FPM
All valve body Diaphragm
materials material
0 - 10
19/32
WARNING
PTFE
Forged
body
5A 0 - 10
not applicable
max. 150 °C , max. 60 min per cycle
(2)
max. 150 °C , max. 180 min per cycle
(2)
max. 150 °C , no time limit per cycle
(2)
max. 150 °C , no time limit per cycle
(2)
Steam input
Steam distribution Sterile process
601, 602
Investment
cast or cast
iron body
0 - 6
-10 ... 90 °C
-10 ... 100 °C
-10 ... 100 °C
-10 ... 100 °C
-10 ... 100 °C
Process pipe
0 ... 60 °C