Burkert Type 2731 - Manual (Page 6)

CauTion!
risk of burns!
The surface of the device may become hot during long-term operation.
▶ Do not touch the device with bare hands.
general hazardous situations.
To prevent injury, ensure that:
▶ The system cannot be activated unintentionally.
▶ Installation and repair work may be carried out by authorized
technicians only and with the appropriate tools.
▶ After an interruption in the power supply or pneumatic supply,
ensure that the process is restarted in a defined or controlled
manner.
▶ The device may be operated only when in perfect condition and
in consideration of the operating instructions.
▶ The general rules of technology apply to application planning and
operation of the device.
To prevent damage to property on the device, ensure:
▶ Supply the media connections only with those media which are
specified as flow media in the chapter entitled “6 Technical data”.
▶ Do not put any loads on the valve (e.g. by placing objects on it
or standing on it).
▶ Do not make any external modifications to the valves. Do not paint
the body parts or screws.
The diaphragm control valve Type 2730 / 2731 / 2731K was
developed with due consideration given to accepted safety
rules and is state-of-the-art. Nevertheless, dangerous situa-
tions may occur.
Failure to observe this operating manual and its operating instructions
as well as unauthorized tampering with the device release us from
any liability and also invalidate the warranty covering the devices
and accessories!
3.1 instructions for use in
explosion protected area
(ex area)
3.1.1 safety instructions
For use in Ex area zone (gas) 1 and 2,
zone (dust) 21 and 22, applies:
Danger!
danger of explosion caused by electrostatic charge!
If there is a sudden discharge from electrostatically charged devices or
persons, there is a danger of explosion in the Ex area.
▶ Take appropriate measures to prevent electrostatic charges in the
Ex area.
▶ Clean the device surface by gently wiping it with a damp or
antistatic cloth.
6
Basicsafetyinstructions
english
Type 2730 / 2731 / 2731K