1 Information about these instructions
These instructions will enable you to safety install, set up and operate the XSz safety
valves. These instructions are an integral part of the product and must be accessible to
personnel. Personnel must carefully read through and understand these instructions befo-
re starting work of any kind on the valves.
Following all the safety and handling instructions contained in this manual is a fundamen-
tal requirement for safe working.
1.1 Validity of documentation
These instructions are valid for all 3/2- & 5/2 way valves of the range XSz. It is adressed to
all personnel with access to the area nearby the instalation and machines, especially:
User, operators, expert staff, instructed persons, mechanics, maintenance-/service-per-
sonnel, cleaning staff and mechanics.
1.4 Used symbols and signal words
In this documentation the following sym-
bols and signal words are used:
•
numeration
´
instruction
1.
2.
specified order of instructions
info
additional information
DAN-
GER
warning integrated in text
WAR-
NING
CAUTI-
ON
ADVICE
specific values respectively fixed attri-
butes
Example:
info
A tight pressure system contributes
energy savings, thus ressources and the
environment.
1.2 Explanation of symbols
SIGNAL WORD
Type of danger
Consequences of non-observance
´
Measurements to be taken to encoun-
ter the danger.
1.3 Risk categories (ANSI Z535.6)
!
DANGER
This warning indicates an immediate
hazardous situation with high risk, the
consequence of which could be fatal or
(severe) injuries if it is not prevented.
!
WARNING
This warning indicates a possible hazar-
dous situation with medium risk, the
consequence of which could be fatal or
(severe) injuries if it is not prevented.
!
CAUTION
This warning indicates a hazardous
situation, the consequence of which could
be slight or moderate injuries if it is not
prevented.
ADVICE
This advice indicates a hazardous situa-
tion, the consequence of which could be
material damages if it is not prevented.
Incorporating
XSz8 - XSz50; XSz8V - XSz10V
02/22
Our policy is one of continued research and development. We therefore reserve the right to amend,
without notice, the specifi cations given in this document. © 2014 Norgren Ltd
7503578000000006
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