... Material:aluminium alloy ISO9001,CCC Size:DN50,DN65, fire hose with couplingModel:KD KN KYMaterial:aluminium alloyISO9001,CCCSize:DN50,DN65 ... , CONTACT US 1 Fire hose DiameterWorking PressureTesting PressureBursting PressureLength (mm)(MPa/BAR/PSI)( ... 100115125140 1502002503002. Fire coupling Used for combining water band with water band ,fire hydrant ,water lance and fire ...