... .5"-4"). 2)Work pressure: 6-20Ba fire hose(rubber lining fire hose, fire hose reel)1) Inside material:TPU lining, PVC lining ... (4").3)Work pressure:6-20Bar4)Hose couplings:DIN standard storz couplings, American coupling and French hose couplings,etc. 5)Suitable market: European ... service life7)Low water-flow resistance, quick water output. Fire Hose Technical Data: Size1.5″, 2″, 2.5″,3″, 4″Nominal ...