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MK LIT (E5) 01/2021 page 45/172
7.11 Exhaust port with reversible pressure relief flap
The chamber has a pressure relief flap with an internal diameter of 150 mm. This is equipped with a 250
mm outlet for connection to an exhaust system.
The pressure relief flap is heated and is located at the top center of the chamber. It prevents pressure build-
up by outgassing the cell(s). In the event of damage, released gases can only escape to the outside via the
reversible pressure relief flap.
Active extraction (technical ventilation in accordance with national regulations) must be connected to the
exhaust port. Extraction must remain effective throughout operation of the chamber. The connection of
the exhaust air system must be attached decoupled from the building exhaust air system, otherwise over-
pressure could arise in the entire exhaust air system. The minimum volume flow rate of the extraction is to
be designed by the operator depending on the load.
Figure 14: Exhaust port with reversible pressure relief flap (1)
DANGER
Risk of emission of hazardous gases from the interior of the chamber.
Death due to suffocation. Poisoning.
Ensure ventilation measures: Active extraction (technical ventilation in accordance
with national regulations) must be connected to the exhaust port on the chamber
Ensure that extraction is decoupled from the building exhaust air system.
Ensure that extraction remains effect throughout operation of the chamber.
Ensure discharge of potentially corrosive and toxic gases to suitable areas.
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