Burkert Type 8635 - Manual (Page 6)

6
Particular safety instructions
PTB 04 ATEX 2027
4.1 Explosion protection approval
The explosion protection approval is only valid if you use the modules
and components authorized by Bürkert, as described in these oper-
ating instructions.
The device Type 8635 may be used only in combination with the valve
types released by Bürkert, otherwise the explosion protection approval
will be terminated.
If you make unauthorized changes to the system, the modules or com-
ponents, the explosion protection approval will also be void.
EC-type examination certificate Ptb 04 AteX 2027
were issued by:
PTB (Physikalisch Technische Bundesanstalt)
Bundesallee 100
38116 Braunschweig
The PTB (CE0102) audits the manufacture.
4.2 instructions on operation in an
explosion-risk (Ex) area
4.2.1 safety instructions
For operation in an explosion-risk area zone (gas) 1 and 2, the fol-
lowing applies:
Danger!
risk of explosion caused by electrostatic charge!
In the event of a sudden discharge from electrostatically charged
devices or individuals, there is a risk of an explosion in the explosion-
risk area.
▶ Take suitable measures to ensure that no electrostatic discharges
can build up in the explosion-risk area.
▶ Clean the device surface by gently wiping it with a damp or anti-
static cloth only.
4.2.2 media in explosion-risk areas
If explosive media are used, this can result in additional
explosion risks.
4.2.3 Actuators / valves in explosion-risk
areas
Use in an explosive atmosphere may be restricted by the
actuators / valves. Observe the operating instructions of the
actuators / valves.
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