Samson 3251, Монтаж и эксплуатация

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36 EB 8052 EN
Operation
6 Operation
Immediately after completing mounting and
start-up (see section 5), the valve is ready for
use.
Crush hazard arising from moving parts (ac -
tuator and plug stem).
Do not insert hands or fingers into the yoke
while the valve is in operation.
Risk of personal injury when the actuator
vents.
Wear eye protection when working in close
proximity to the control valve.
Risk of burn injuries due to hot or cold com -
ponents and pipelines.
Depending on the process medium, valve
components, and pipelines may get very hot
or cold and cause burn injuries.
Wear protective clothing and safety gloves.
Operation disturbed by a blocked actuator
or plug stem.
Do not impede the movement of the actuator
or plug stem by inserting objects into their
path.
6.1 Working in manual mode
Valves fitted with actuators with a handwheel
can be manually closed or opened in case of
supply air failure.
Î
For normal closed-loop operation, move
the handwheel to the neutral position.
WARNING !
WARNING !
WARNING !
NOTICE
!