Table of Contents
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1 General information
1 General information
1.1 Information
•
The descriptions and instructions apply to the standard ver-
sions. For special versions not described in this document
the basic information contained herein applies in combina-
tion with any additional special documentation.
•
Correct installation, operation, maintenance and repair work
ensure faultless operation of the product.
•
Should there be any doubts or misunderstandings, the Ger-
man version is the authoritative document.
•
Contact us at the address on the last page for staff training
information.
•
A supplement to Directive 2014/34/EU (ATEX Directive) is
included with the product, provided that it was ordered in
accordance with ATEX.
1.2 Symbols used
The following symbols are used in this document:
Symbol
Tasks to be performed
Response(s) to tasks
–
Lists
1.3 Definition of terms
Working medium
The medium that flows through the GEMÜ product.
Control medium
The medium whose increasing or decreasing pressure causes
the GEMÜ product to be actuated and operated.
Control function
The possible actuation functions of the GEMÜ product.
1.4 Warning notes
Wherever possible, warning notes are organised according to
the following scheme:
SIGNAL WORD
Possible
Type and source of the danger
symbol for the
Possible consequences of non-observance.
specific
Measures for avoiding danger.
danger
Warning notes are always marked with a signal word and
sometimes also with a symbol for the specific danger.
The following signal words and danger levels are used:
Imminent danger!
▶ Non-observance can cause death or
severe injury.
GEMÜ 656
Meaning
DANGER
Potentially dangerous situation!
▶ Non-observance can cause death or
Potentially dangerous situation!
▶ Non-observance can cause moderate
Potentially dangerous situation!
▶ Non-observance can cause damage to
The following symbols for the specific dangers can be used
within a warning note:
Symbol
Danger of explosion
Corrosive chemicals!
Hot plant components!
4 / 36
WARNING
severe injury.
CAUTION
to light injury.
NOTICE
property.
Meaning
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