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Operating instructions
NOTICE
Impermissible stress due to operating conditions and extensions / added structures.
Valve body leaking or broken!
Provide suitable support.
Additional loads, such as traffic, wind or earthquakes, are not explicitly taken into account by
default and require separate sizing.
Condensation in air conditioning, cooling and refrigeration plants.
Icing!
Blocking of the actuation mechanism!
Damage due to corrosion.
Insulate the valve with diffusion-tight material.
Improper mounting.
Damage to the valve!
Remove cover caps before mounting.
Clean the sealing surfaces.
Protect the body against hammering.
Painting of valves and pipelines.
Impairment of the function of the valve / loss of information!
Protect stem, plastic parts and type plate against the application of paint.
Impermissible stress
Damage to the control mechanism!
Do not use the valve as a foothold.
Exceeding the maximum permissible operating conditions.
Damage to the valve!
The maximum permissible working pressure must not be exceeded, and the minimum
and maximum allowable working temperatures must be observed.
Particles and other contaminants in the conveyed medium.
Damage to the valve / internal leak!
Remove particles/contaminants from the conveyed medium.
It is recommended to install strainers / dirt filters in the pipework system.
Safety instructions for installed safety valves
DANGER
Hazardous medium.
Escaping operating medium can lead to poisoning, burns and caustic burns!
Wear the prescribed protective equipment.
Provide suitable collecting containers.
Stand to the side of or behind the safety valve during lifting.
The outlet must be free.
Flammable media and dusts
Risk of sustaining burns!
Avoid potential sources of ignition in the immediate vicinity of the safety valve.
Attach warning signs.
Risk of injury due to pressure
Injury due to the safety valve being flung away!
Depressurise and empty all inlet lines before dismounting the valve.
Make sure that the system is depressurised.
Secure against being pressurised again.
Do not bend over the safety valve when dismounting.
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