Swing Check Valve, Flange Connection, 1.5" to 24"1) Size: DN50 DN200 2) Nominal Pressure: 1. 6MPa 3) Testing Pressure: 1. 8MPa 4) Applicable Temperature: 0~80 5) Fluid Medium: Water 6) Material: DI Body Epoxy Resin Coated Red or Blue, DI Disc Cover With NBR 7) Flange Holes Match To: BS4504 EN1092 DIN2502

6) Nozzle: brass nozzle

7) Applicable Medium: water / foam liquid

4) Sealing Test: 1

ductile cast iron body

1) Capacity :1000L / 1500L / 2000L / 2500L / 3000L / 4000L / 5000L

ductile cast iron handwheel8) Connecting Diameter(DN50-DN300): (60

2) Outlet: NPT 4"×1

4) Strength Test Pressure: 2

6V lithium battery can work for 6 years

5) Working Voltage & Current: DC24V

5) Application: The wafer butterfly valve with tamper switch is an important component of the fire protection system

galvanized accessory pipe