Operating instructions
herose.com
3
WARNING
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 ball valve.
Risk of injury due to thermal influences!
Insulate the ball valve.
Attach warning signs.
Medium escaping at high speed and high/low temperature.
Risk of injury!
Wear the prescribed protective equipment
NOTICE
Impermissible stresses arising from operating conditions and extensions / added structures.
Leakage or rupture of the valve body!
Provide suitable support.
Additional loads, such as 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 ball valve with diffusion-tight material.
Improper installation.
Damage to the ball valve!
Remove cover caps before installation.
Clean the sealing surfaces.
Protect the body against impacts.
Painting of ball valve and pipelines.
Functional impairment of the ball valve / loss of information!
Protect spindle, plastic parts and type plate against the application of paint.
Impermissible stress.
Damage to the control mechanism!
Do not use the ball valve as a foothold.
Exceeding the maximum permissible operating conditions.
Damage to the ball valve!
The maximum permissible operating pressure must not be exceeded, and the minimum and
maximum permissible operating temperatures must be observed.