Functional Description; Construction; Installation And Operation; Installing The Diaphragm Valve - GEM SilverLine s680 Installation, Operating And Maintenance Instructions

9

Functional description

GEMÜ S680 SilverLine
diaphragm valve with a 2/2-way body. It has
a motorized actuator. The motorized actuator
with its limit switches is separated from the
medium wetted part of the valve via a shut
off diaphragm. The motor is switched off or
changed-over internally when it is in the
closed or fully open position. The valve body
and the diaphragm are available in various
designs as shown in the data sheet.
Accessories: E-Module GEMÜ 1570 emer-
gency power supply and GEMÜ 1572 voltage
transformer.

10 Construction

Construction
1 Valve body
2 Actuator
3 Diaphragm
is a plastic or metal
®
3

11 Installation and operation

Prior to installation:
Ensure that valve body and diaphragm
G
material are appropriate and compatible
to handle the working medium.
Check the suitability prior to the
G
installation.
See chapter 6 "Technical data".
11.1 Installing the
diaphragm valve
The equipment is subject to pressure!
Risk of severe injury or death!
®
Only work on depressurized plant.
G
Corrosive chemicals!
Risk of caustic burns!
®
Wear appropriate protective
G
gear when installing.
Electric shock by voltage!
Before performing any work
G
on the diaphragm valve
switch off power and protect
circuit from being switched
on again.
Hot plant components!
Risk of burns!
®
Only work on plant that has
G
cooled down.
Never use the valve as a step or an aid
for climbing!
This entails the risk of slipping-off or
®
damaging the valve.
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WARNING
WARNING
CAUTION
CAUTION
CAUTION
S680