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The main perpose of the backflow preventer is to stop sewer backflow in case of floding in the area and damage to the property where it is installed . The unit will close off the sewer line when required but allow normal flow when not needed.
The main perpose of the backflow preventer is to stop sewer backflow in case of floding in the area and damage to the property where it is installed . The unit will close off the sewer line when required but allow normal flow when not needed.
NEW IMPROVED SEWER BACKFLOW PREVENTER
NOUVEAU DISPOSITIF DE PREVENTION DE REFOULEMENT D'EGOUT
LEASK JOHN H (Autor:in)
20.01.2018
Patent
Elektronische Ressource
Englisch
IPC:
E03F
SEWERS
,
Abwasserkanäle
Europäisches Patentamt | 2023
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