1
OperaTing insTrucTiOns
The operating instructions describe the entire life cycle of the device.
Keep these instructions in a location which is easily accessible to
every user and make these instructions available to every new owner
of the device.
the operating instructions contain important safety information!
Failure to observe these instructions may result in hazardous
situations.
▶ The operating instructions must be read and understood.
1.1
symbols
Danger!
Warns of an immediate danger!
▶ Failure to observe the warning may result in a fatal or serious
injury.
Warning!
Warns of a potentially dangerous situation!
▶ Failure to observe the warning may result in serious injuries or
death.
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english
Type 2730 / 2731 DN 65-100
OperatingInstructions
Caution!
Warns of a possible danger!
▶ Failure to observe this warning may result in a moderately
severe or minor injury.
note!
Warns of damage to property!
▶ Failure to observe the warning may result in damage to the
device or the equipment.
Indicates important additional information, tips and
recommendations.
Refers to information in these operating instructions or in
other documentation.
▶ designates instructions for risk prevention.
→
Designates a procedure which you must carry out.
1.2
Definition of term "device"
The term "device" used in these instructions always stands for the
diaphragm control valve Type 2730 / 2731.