wet alarm valve ductile cast iron Dia: 3", 4", 5", 6", 8" ductile cast iron nominal W.P.: 1.6MPa , PN 16,

Wet alarm valve

named as alarm check valve,

ductile cast iron1) Applicable areas: workshops, warehouses, hotels, shops, recreational places, hospitals,cinemas, offices, garages2)Nominal diameter size: 100mm(4"),125mm(5"),150mm(6"),200mm(8")

Main Technical Parameter:

Specification	Rated W.P. (MPa)	Nominal Dia. (mm)	Flange Diameter (mm)	Symmetric Hole Diameter  ΦB (mm)	Screw Hole NO. and Dia.  φA (mm)
ZSFY100	1.2	DN100	220	180	8*φ18
ZSFY150		DN150	285	240	8*φ22
ZSFY200		DN200	340	295	12*φ22

fire alarm check valve