2 Safety
2.1 General safety advice
DANGER!
Danger of accidents with dosing chemicals!
If the connections of the suction line and the return line are interchanged, an
accident with dosing chemical may occur due to overpressure in the dosing
system:
– Connect the suction line to the upper connection (arrow pointing outwards).
–
Connect the return line to the lower connection (arrow pointing inwards).
CAUTION!
Risk of injury and damage due to escape of aggressive gases!
When conveying outgassing dosing media, aggressive gases may escape
through the vent hole on the suction lance:
– Check the safety data sheet of the dosing medium for any necessary
protective measures, such as the use of a vapor lock.
–
If necessary, contact the manufacturer/supplier of the dosing medium.
CAUTION!
Risk of injury and damage due to damaged chemical containers
If delivery pumps with too high a delivery rate are used, the chemical tank may
be contracted. This will destroy the container and possibly the suction lance.
Dosing chemicals may leak out.
– Ensure that the suction capacity of the feed pump matches the suction
lance used.
–
In case of doubt, contact the Technical Service.
Ä
Chapter 1.9 ‘Contact’
on page 10
2.2 Intended Use
The following use of the suction lance is considered as intended:
n The suction lance may only be used for conveying liquid dosing media.
n The suction lance may only be used after correct installation, in accordance with the
technical data and specifications listed in the operating instructions.
n General restrictions regarding viscosity limits, chemical resistance and tightness must
be observed.
Intended use also includes compliance with all operating and maintenance
instructions and conditions prescribed by the manufacturer
.
Safety
11 Rev. 1-10.2021
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