Flushing device with removable drain ring for potable water...

Details Flushing device with removable drain ring for potable water... Flushing device with removable drain ring for potable water...

E - Fixed Constructions

03

B

E03B 7/08 (2006.01) E03B 7/09 (2006.01)

Patent

CA 2672364

A drain ring adapted for use in a device for flushing a dead-end of an underground municipal water distribution system includes a pair of annular seals and a channel between the seals, an outlet passage extending from inside the ring to the channel, and a flapper adapted to close the outlet passage under the influence of at least one of pressure and flow. The drain ring is removably positioned between a shut-off valve and an outlet of the device.

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