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Original document - Mi-503 EN Edition: 2022-06
2.1.4 State of the art
This product has been built by Somas Instrument AB in accordance with state-
of-the-art standards and the recognized safety rules. Nevertheless, its use may
constitute a risk to life and limb of the user or of third parties, or cause damage to
the valve and to other material property, if:
•
the product is not used as designated
•
the product is operated or repaired by untrained personnel
•
the product is modified or converted improperly and/or
•
the safety instructions are not observed
Therefore, every person involved in erecting, operating, inspecting, maintaining,
servicing and repairing the valve must read, understand and observe the complete
operating instructions, particularly the safety instructions.
2.1.5 Preconditions for using the actuator
The actuator only has to be used:
•
in perfect technical condition
•
as designated
•
according to the instructions in the operating manual, and only by safety-
conscious persons who are fully aware of the risks involved in operating the
actuator
•
if all protective devices are installed and operative
Rectify immediately any functional disorders, especially those affecting the safety
of the actuator!
2.2 Designated use of the actuator
2.2.1 Use
Pneumatic actuators type A are suitable to be assembled on the industrial shut-off
or control valves from Somas.
If you want to use the actuator with another shut off and control valve please
contact Somas Instrument AB.
The specified operating and limit values as well as the ambient temperature must
be complied.
Particular data to the operation and limit values are specified on the data sheet
„Si-503EN“.
The operating values, limit values and setting data must not deviate from the
values specified in the operating manual and corresponding information sheet
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