
5
Basic safety instructions
Type 2101
4 BASIC SAFETY INSTRUCTIONS
These safety instructions do not make allowance for any
• contingencies and events which may arise during the installation,
operation and maintenance of the devices.
• local safety regulations, whereby the operator is responsible for their
compliance, by the installation personnel too.
DANGER!
Risk of injury from high pressure in the equipment or device!
▶Before working on equipment or device, switch off the pressure
and deaerate or drain lines.
Risk of injury due to electrical shock!
▶Before reaching into the device, switch off the power supply and
secure to prevent reactivation!
▶Observe applicable accident prevention and safety regulations
for electrical equipment!
Risk of burns!
The surface of the device may become hot during long-term
operation.
▶Do not touch the device with bare hands.
Risk of injury from moving parts in the device!
▶Do not reach into openings.
Risk of injury caused by the spring jumping out when the
actuator is opened.
▶The actuator must not be opened.
Risk of injury caused by the lines and device rupturing.
▶Due to the risk of water hammer, valves with a flow direction
above the seat must not be used for liquid media.
▶Consider the type of flow direction and the type of medium for
operation of the device.
General hazardous situations.
To prevent injury, ensure:
▶Secure system/equipment from unintentional activation.
▶Only trained technicians may perform installation and maintenance
work.
▶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 of 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.
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