Functional Description; Construction; Installation And Operation; Installing The Diaphragm Valve - Gemü DN 4 - 25 Montageanleitung

9

Functional description

GEMÜ 660 is a metal diaphragm valve with
a 2/2-way, T or tank bottom valve body or in
multi-port design. It was designed for dosing
and filling a wide range of products. Its low
filling volume enables fast cycle duties. All
metallic actuator components are made of
stainless steel. The valve has a continuously
adjustable integrated stroke limiter and seal
adjuster and as well as an optical position
indicator as standard. The valve body and
the diaphragm are available in various
designs as shown in the data sheet. The
valve has CIP/SIP cleaning and sterilizing
capabilities.

10 Construction

A
Construction
1 Valve body
2 Diaphragm
A Actuator
660
Setting stroke limiter /
seal adjuster
Control medium
connectors 4
Control medium
connectors 2
2
30 / 48

11 Installation and operation

Prior to installation:
Ensure that valve body and diaphragm
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material are appropriate and compatible
to handle the working medium.
Check the suitability prior to the
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installation.
See chapter 6 "Technical data".
11.1 Installing the
diaphragm valve
WARNING
The equipment is subject to pressure!
® Risk of severe injury or death!
Only work on depressurized plant.
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WARNING
Corrosive chemicals!
® Risk of caustic burns!
Wear appropriate protective
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gear when installing.
CAUTION
Hot plant components!
® Risk of burns!
Only work on plant that has
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cooled down.
CAUTION
Never use the valve as a step or an aid
for climbing!
® This entails the risk of slipping-off or
damaging the valve.
CAUTION
Do not exceed the maximum
permissible pressure!
® Take precautionary measures to
avoid possible pressure surges
(water hammer).
Installation work must only be performed
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by trained personnel.
Use appropriate protective gear as
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specifi ed in plant operator's guidelines.