Burkert Type 8635 - Manual (Page 4)

4
Symbols
PTB 04 ATEX 2027
2 symBols
The following symbols are used in these instructions.
Danger!
Warns of an immediate danger.
▶ Failure to observe the warning will result in a fatal or serious injury.
Warning!
Warns of a potentially dangerous situation.
▶ Failure to observe the warning may result in a serious or fatal
injury.
Caution!
Warns of a possible danger.
▶ Failure to observe this warning may result in a moderate or minor
injury.
note!
Warns of damage to property.
Important tips and recommendations.
Refers to information in these instructions or in other
documentation.
▶ Designates instructions for risk prevention.
→
Designates a procedure which you must carry out.
3 AuThorizEd usE
incorrect use of the electropneumatic positioner type 8635 can
be dangerous to people, nearby equipment and the environment.
▶ The electropneumatic positioner is designed to be mounted on
pneumatic actuators of process valves for the control of media.
The device was designed for the use in
- type 8635 Pe68:
Explosion group II, category 2G Ex ia, T4, T5 and T6
(see information listed on the type label for the approval).
▶ The device is mounted onto a pneumatic actuator of a process
valve. The process valve and the actuator must have at least the
Ex approval of the pneumatic control unit.
▶ During use observe the admissible data, the operating condi-
tions and conditions of use specified in the contract documents,
operating instructions and on the type label
- of the electropneumatic positioner Type 8635 and
- the process valve.
▶ Use the device only in conjunction with third-party devices and
components recommended and authorized by Bürkert.
▶ Correct transportation, storage and installation, as well as care-
ful use and maintenance are essential for reliable and faultless
operation.
▶ Use the device only for its intended purpose.
english