... :aluminium alloy ISO9001,CCC Size:DN50,DN65, fire hose with couplingModel:KD KN KYMaterial:aluminium alloyISO9001,CCCSize:DN50,DN65, ... 100115125140 1502002503002. Fire coupling Used for combining water band with water band ,fire hydrant ,water lance and fire-fighting ... testing pressure 1.6Mpaworking pressurelower or equals 1.6Mpa3. PACKING DETAILSEvery 40 piece of fire coupling is generally packed in ...