
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 o the pres-
sure and deaerate or drain lines.
Risk of injury from electric shock (when electrical component
installed).
▶Before reaching into the device, switch o the power supply
and secure to prevent reactivation!
▶Observe applicable accident prevention and safety regula-
tions for electrical equipment!
WARNING!
Risk of injury when opening the actuator!
The actuator contains a tensioned spring. If the actuator is
opened, there is a risk of injury from the spring jumping out!
▶The actuator must not be opened.
Risk of injury from moving parts in the device!
▶Do not reach into openings.
WARNING!
Danger due to loud noises.
▶Depending on the operating conditions, the device may generate
loud noises. More detailed information on the likelihood of loud
noises is available from the relevant sales oce.
▶Wear hearing protection when in the vicinity of the device.
CAUTION!
Risk of burns!
The surface of the device may become hot during long-term
operation.
▶Do not touch the device with bare hands.
Leaking medium when the packing gland is worn.
▶Regularly check relief bore for leaking medium.
▶If medium is leaking out of the relief bore, change the packing
gland.
▶If the media is hazardous, protect the area surrounding the dis-
charge point against dangers.
Risk of injury caused by the lines and device rupturing.
▶Due to the risk of water hammer, valves with a ow direction
above the seat must not be used for liquid media
▶Consider the type of ow direction and the type of medium
for operation of the device.
english