
Safety
1.3 Warnings and symbols
Symbol Meaning
• Immediate acute risk
• Death, serious bodily harm
• Potentially acute risk
• Death, serious bodily harm
• Potentially hazardous situation
• Minor injury
• Potentially hazardous situation
• Material damage
Safety warning sign
Take note of all information
highlighted by the safety warning
sign and follow the instructions to
avoid injury or death.
Instruction
1., 2., ... Multiple-step instructions
Precondition
→Cross reference
Information, notes
Tab. 2 Warnings and symbols
2 Safety
The manufacturer accepts no liability for damages caused
by disregarding any of the documentation.
2.1 Intended use
The fitting is used for aerating and venting vessels.
• Only use the fitting with suitable media (→ Resistance
lists).
• Adhere to the operating limits (→ Data sheet).
• Use the fitting exclusively when a leakage drain is con-
nected to the outlet side.
Prevention of obvious misuse (examples)
• Do not use the fitting for media containing solids.
• Donotusethefittingformediathatclogorgumuptheball
or the float, impairing their opening and closing action.
• Do not use the fitting where the media flow is in the opposite
sense to the marked direction of flow.
2.2 General safety instructions
Read and observe the following regulations before carrying
out any work.
2.2.1 Obligations of the operating company
Safety-conscious working
• Only operate the fitting if it is in perfect technical condition
and only use it as intended, remaining aware of safety and
risks, and adhering to the instructions in this manual.
• Ensure that the following safety aspects are observed and
monitored:
– Intended use
– Statutory or other safety and accident-prevention reg-
ulations
– Safety regulations governing the handling of haz-
ardous substances
– Applicable standards and guidelines in the country
where the pump is operated
• Make personal protective equipment available.
Qualified personnel
• Ensure all personnel tasked with work on the fitting have
read and understood this manual and all other applicable
documents, especially the safety, maintenance and repair
information, before they start any work.
• Organize responsibilities, areas of competence and the
supervision of personnel.
• The following work should be carried out by specialist tech-
nicians only:
– Installation, repair and maintenance work
– Work on the electrical system
• Make sure that personnel to be trained only
work on the fitting under the supervision of specialist tech-
nicians.
2.2.2 Obligations of personnel
• Observe the instructions on the fitting and keep them leg-
ible, e.g. name plate and identification marking for fluid
connections.
• Only carry out work on the fitting if the following require-
ments are met:
– System is empty
– System has been flushed
– System is depressurized
– System has cooled down
– System is secured against being switched back on
again
• Do not modify the fitting in any way.
2.3 Hazardous media
• When handling hazardous media (e.g. hot, flammable,
explosive, toxic, hazardous to health or the environment),
observe the safety regulations for the handling of haz-
ardous substances.
• Use personal protective equipment when carrying out any
work on the fitting.
• Collect leakingpumpedliquidandresiduesinasafeman-
ner and dispose of them in accordance with environmental
regulations.
4 B895, BE891 BA-2022.08.25 EN 302 464