Operating instructions
herose.com
3
WARNING
Harmful and/or hot/cold conveyed media, lubricants and fuels.
Hazardous for persons and the environment!
Collect and dispose of rinsing medium and any residual media.
Wear protective clothing and a protective mask.
Observe legal regulations regarding the disposal of harmful media.
Risk of injury if maintenance work is done incorrectly.
Incorrect maintenance can lead to serious injury and considerable material damage!
Before 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 lying around
are hazard sources.
If parts have been removed, take care to assemble correctly and re-install all attachment items.
Before putting back into service, ensure:
All maintenance work has been carried out and completed.
There are no persons in the hazard area.
All covers and safety devices are installed and operating correctly.
CAUTION
Cold/hot pipelines and/or safety valves.
Risk of injury due to thermal influences!
Insulate the safety valve.
Attach warning signs.
Medium escaping at high speed and high/low temperature.
Risk of injury!
Wear the prescribed protective equipment.
Secure the discharge area.
NOTICE
Impermissible stresses arising from operating conditions and extensions / added structures.
Safety valve body leaking or broken!
Provide suitable support.
Additional loads, for example as a consequence of traffic, wind or earthquakes are not explicitly
taken into account by default and require separate dimensioning.
Condensation in air conditioning, cooling and refrigeration plants.
Icing!
Blocking of the actuation mechanism!
Damage due to corrosion!
Insulate the safety valve diffusion-tight.
Improper mounting.
Damage to the safety valve!
Remove cover caps before mounting.
Clean the sealing surfaces.
Protect the body against hammering.
Painting of safety valves and pipelines.
Impairment of the function of the safety valves / loss of information!
Protect stem, synthetic material parts and type plate against the application of paint.
Exceeding the maximum permissible operating conditions.
Damage to the safety valve!
The maximum permissible operating pressure must not be exceeded, and the minimum and
maximum allowable working temperatures must be observed.
3
Transport and storage
3.1
Inspection of condition on delivery
Inspect the safety valve for damage upon receipt.
In case of transport damage, determine and document the precise extent of the damage, and
report it immediately to the supplying dealer/carrier and the insurer.
