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Verfügbare Sprachen
Verfügbare Sprachen
2.3
Symbols used
Danger - hot surfaces!
Danger - corrosive materials!
Danger - maiming!
Hand: indicates general information
and recommendations.
Bullet point: indicates the tasks to
G
be performed.
Arrow: indicates the response(s) to
®
tasks.
Enumeration sign
3
Definition of terms
Working medium
The medium that fl ows through the butterfl y
valve.
Control medium
The medium whose increasing or
decreasing pressure causes the butterfl y
valve to be actuated and operated.
Control function
The possible actuation functions of the
butterfl y valve.
4
Intended area of use
The GEMÜ 415 butterfl y valve is
designed for installation in piping
systems. It controls a fl owing medium
by being closed or opened by a control
medium.
The butterfl y valve may only be used
providing the product technical
criteria are complied with (see
chapter 6 "Technical Data").
Do not paint the bolts and plastic parts of
the butterfl y valve!
The product is only suitable for use
with fl uids of Group 2 according to the
Pressure Equipment Directive.
Use the butterfl y valve only for the
intended purpose!
® Otherwise the manufacturer liability and
guarantee will be void.
Use the butterfl y valve only in
G
accordance with the operating
conditions specifi ed in the contract
documentation and in the installation,
operating and maintenance
instructions.
The butterfl y valve may only be used in
G
potentially explosive zones confi rmed
in the declaration of conformity (ATEX).
5
Condition as supplied
to customer
The GEMÜ butterfl y valve is supplied as a
separately packed component.
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WARNING
415
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