Ventilator for drain water ducting

摘要

The drainage water ducting has rinsing and ventilation feeds. There is a tubular rinsing passage (3) and double walls which allow the rinsing and ventilation actions. the rinsing channel is made of a water resistant material and can be perforated over part of its area. The perforation opening can be formed as small rinsing nozzles. The rinsing passage can be formed in a tube and with two part ring guides open. the ring guides (11) have connecting openings at the pipe ends and are connected to the pipe sleeve by seals.