air and water rubber hose

air and water rubber hose This type of rubber hose is applied to conveyance of industrial compressed air and compressed air for mining and building engineering and the water at the temperature of 60°c in industry,construction and agriculture. 1.size:1/2"-4.1/2" 2.length:10-40m 3.w.p.:30-70bar 4.surface:smooth or fiber surface 5.sample:for free 6.brading:as request 7.color:black 8.delivery detail:depend on quantity Product category: 9.standard air rubber hose:applied to convryance of compressed air and water with maximum working pressure 1.2Mpa(12bar). 10.heavy type air rubber hose:applied to conveyance of compressed air and water with maximum working pressure 2.0Mpa(20bar).The protective layer can be oil resistant for the working place stained with oil (it should be marked in the order). 11.applicable standard:air hose:DIN EN ISO2398-1997,water hose :ISO1403-1986 Technical parameters: 12.anti-ozone aging:in the standard test chamber,concentration:50+/-5pphm,temperature:40+/-2°c,testing period :72t,without crack. 13.heat-proof aging:in the standard aging chamber,themperature:70+/-1°c,testing period:72t,tensile change:not more than -20%,tensile stretch:not more than -40%. 14.physical properties:tensile stretch of inner and out rubber layer:≥250%,flexibility of hose is sound under -30+/2°c for 5t,withour craze crack or fracture after 180°bending over or doubling. 15.sturcture: A.Inner layer of hose:styrene butadiene rubber(SBR). B.Protective layer of common hose:blends of styrene butadiene rubber and ethylent-propylene-diene mischpolymerre rubber(SBR &EPDM). C.Protective layer of oil resitant hose:styrene butadiene rubber(SBR)and nitrile butadiene rubber blends,grade RMA-C. 16.Appearance:mill finish,black. 17.bend radius:10 times of proper diameter dimension. 18.package: A.according to required. B.Standard dual protective packaging,transparent PE film intertwined inner layer,braided spiraled outer layer. C.In addition,the cartons packing and pallet packing are available as the case may be,but shall be charged additionally.