types of hose connection
supply brass fire hose coupling ( Nakajima fire hose coupling) sizes: 1.5",2",2.5",3"
supply fire hose coupling (Nakajima fire hose coupling )
1) nominal diameter :50mm,65mm
2)type:German, Nakajima
3)material:brass or aluminium
4)size :2".2.5"
types of hose connection