Alarm Check Valve, Groove Connection, 3" to 8"1) Size: DN80 DN100 DN150 DN2002) Rated working pressure: 1. 6MPa 16bar 235psi3) Material: ductile cast iron body, stainless steel seat and clapper, galvanized accessory pipe, brass accessory valves4) With all fittings including water motor bell, pressure switch, retard chamber, pressure gauge, etc. 5) Groove port size: (88. 9)(108, 114. 3) (165. 1, 168. 3) (219. 1)

retard chamber

2) Size: 1

7) Surface Color: golden or red

6MPa / 16bar / 235psi4) Material: ductile cast iron body

Working Pressure: 2

3) Material: ductile cast iron or brass

2) Filling Pressure: 4

7) Connecting Diameter(2"-8"): (60

1) Size: DN50 / DN65 / DN80 / DN100 / DN150 / DN200 / DN250

6) Material: DI Body and Bonnet Epoxy Resin Coated Red or Blue

1) Type: Storz

7) Flow Rate: 4L/S to 360L/S