Venting gas supply device for suction valve control device in reduced pressure waste water system has liquid collection space with connection coupled to reduced pressure source for drainage of collected liquid

摘要

The venting gas supply device has a liquid collection space (32) provided with a venting gas connection (40), a tap-off connection (44) leading to the control device and a connection (46) coupled to a reduced pressure source, which is normally sealed via a ball (56), released by the collected liquid within the collection space.