EB 5868-1 EN 1-5
Safety instructions and measures
1.2 Notes on possible personal injury
WARNING
!
Crush hazard arising from moving parts.
The control valves contain moving parts (actuator and plug stem), which can injure
hands or ngers if inserted into the valve.
Î Do not insert hands or nger into the yoke while the supply voltage is connected to
the actuator.
Î Disconnect and lock the supply voltage before performing any work on the control
valve.
Î Do not impede the movement of the actuator and plug stem by inserting objects in-
to the yoke.
Î Before unblocking the actuator and plug stem after they have become blocked (e.g.
due to seizing up after remaining in the same position for a long time), release any
stored energy in the actuator.
Risk of personal injury due to residual process medium in the valve.
While working on the valve, residual medium can ow out of the valve and, depend-
ing on its properties, cause personal injury, e.g. (chemical) burns.
Î If possible, drain the process medium from the plant sections affected and from the
valve.
Î Wear protective clothing, safety gloves and eye protection.
Risk of burn injuries due to hot components and pipelines.
Depending on the process medium, valve components and pipelines may get very hot
and cause burn injuries.
Î Allow components and pipelines to cool down.
Î Wear protective clothing and safety gloves.
Risk of hearing loss or deafness due to loud noise.
The noise emissions depend on the valve version, plant facilities and process medium.
Î Wear hearing protection when working near the valve.
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