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Be used in whole fire water sprinkler system , and installed branch fire pipe , from top floor to the base room ,every floor need one water following indicator .
How to working
when the water in side pipe following rate exceed 15L/Min , the leaf of the water flowing switch will closed by impacted water . and output one fire singal . In this way warning , test and alarm fire situation.
working pressure 1.2Mpa
retarding time 2-90S
Contact point AC 220 3a , Dc 24V1A , close and open on pair each
we have thread , sadde type , welded type size from 50mm to 100MM
threaded type
flanged type