... iron 3.ISO and CCCF certified wet alarm valve,fire alarm valve1)Nominal diameter size: 100mm(4"),125mm(5"),150mm(6"),200(8")2 ... )4) Flux (L/min): 155)Applicable areas: workshops, warehouses, hotels, shops, recreational places, hospitals,cinemas, offices, garages. SpecificationRated W.P.(MPa)Nominal ...