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3 Safety advice
Depending on the technical circumstances and the time under and at which the butterfly valves
are mounted, adjusted and commissioned, you must take into account particular safety aspects in
each case!
If, for example, a butterfly valve works a slide in an operational chemical plant, the potential
hazards of commissioning have another dimension from that when this is only being carried out for
test purposes an a „dry“ part of the plant in the assembly room!
Since we do not know the circumstances at the time of the mounting/adjustment/commissioning,
you may find advices on hazards in the following descriptions which are not relevant to you.
Please observe (only) the advices which applies to your situation!
3.1 Personal safety
3.1.1 Safety advices for mounting
We wish to point out expressly that the mounting, adjusting and at accessories the pneumatical
and eletrical installation of the butterfly valves must be carried out by trained specialist person-
nel having mechanical, pneumatical and electrical knowledge!
Secure that the machine / plant come up to the Machinery Directice after the mounting and instal-
ling of the butterfly valves.
Switch off all the devices / machines / plant affected by mounting or repair.
If appropriate, isolate the devices / machines / plant from the mains.
Check (for example in chemical plants) whether the switching off of devices / machines / plant
will cause potential danger.
If appropriate, in the event of a fault in the butterfly valve (in a plant which is in operation) inform
the shift forman / safety engineer or the works manager without delay about the fault, in order,
for example, to avoid an outflow / overflow of chemicals or the discharge of gases in good time
by means of suitable measures!
Before mounting or repairing, remove the pressure from pneumatic / hydraulic devices / machi-
nes / plant.
If necessary, set up warning signs in order to prevent the inadvertent starting up of the devices /
machines / plant.
Observe the respective relevant professional safety and accident prevention regulations when
carrying out the mounting / repair work.
Check the correct functioning of the safety equipment (for example the emergency push off but-
tons/ safety valves, etc)!
Safety Advice