supply double jacket fire hose in 1) Inner Dia : 1",1-1/2",2",2-1/2",3",4" 2) working pressure : 8,10,13,16,20bar feature of double jacket fire hose :1) high pressure resistance2) anti-agnig non-permeable3) application : fire fighting car, high official building , mining , water trnsporation and agriculture Inner Dia(inch) Inner Dia(mm)Working Pressure(MPa/Bar/Psi)Test Pressure(MPa/Bar/Psi)Burst ...