HEROSE 7111 Notice D'utilisation page 19

WARNING
Risk of injury if maintenance work is done incorrectly!
Incorrect maintenance can lead to serious injury and considerable material damage.
 Bef ore the start of work, ensure there is sufficient room for doing the work.
 Ensure the space around the work is tidy and clean! Parts and tools in loose piles or ly ing around
are hazard sources.
 If parts hav e been removed, take care to assemble correctly and re-install all attachment items.

Bef ore putting back into service, ensure:
 All maintenance work has been carried out and completed.
 There are no persons in the hazard area.
 All cov ers and safety devices are installed and operating correctly.
CAUTION
Cold/hot pipelines and/or valves.
Risk of injury due to thermal influences!

Insulate v alves.
 Attach warning signs.
Medium escaping at high speed and high/low temperature.
Risk of injury !
 Wear the prescribed protectiv e equipment
NOTICE
Impermissible stresses arising from operating conditions and extensions / added structures.
Leakage or rupture of the v alve body!
 Prov ide suitable support.

Additional loads, such as traf fic, wind or eart hquakes, are not explicitly taken into account by
def ault and require separate sizing.
Condensation in air conditioning, cooling and refrigeration plants.
Icing!
Blocking of the actuation mechanism!
Damage due to corrosion!
 Insulate v alves with diffusion-tight material
Improper mounting.
Damage to the v alv e!
 Remov e cover caps before mounting.
 Clean the sealing surf aces.
 Protect the body against hammering.
Painting of valves and pipelines.
Functional impairment of the valve / loss of information!
 Protect stem, plastic parts and type plate against the application of paint.
Impermissible load.
Damage to the control mechanism!
 Do not use the v alv e as a f oothold.
 Tools f or increasing the torque of the lever are not permitted.
Exceeding the maximum permissible operating conditions.
Damage to the v alv e!
 The maximum permissible operating pressure must not be exceeded, and the minimum and
maximum allowable operating temperatures must be observed.
Operating instructions
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