Product Name: Ductile Iron Swing Check Valve
Standard: BS
Body Material: Ductile Iron (DI)
Size: 4 Inch
Pressure Rating: 300 PSI (Max. Working Pressure)
Coating: Fusion Bonded Epoxy (FBE)
Color: Red
End Connection: Flanged
Usage: Fire Fighting Service
Source: https://www.landee.cn/fbe-coated-swing-check-valve-ductile-iron-4-inch-300-psi.html