Fire Hose Syntex Petrol applications municipal fire brigades industrial fire brigades refineries irrigation construction 100 % high tenacity polyester yarn circular-woven twill weave, warp threads multiple twisted in special construction high-quality, electrically conducting rubber on the basis of EPDM with 3 incorporated copper strands outside black PU-coated features electrically conductivity < 106 © at 100 V ( from coupling to coupling) special hose with the features of a DIN fire fighting hose for firefighting at explosion-prone locations oil-resistant flame- and abrasion-resistant suitable as powder- extinguisher-hose minimum maintenance special options other diameters maximum lengths up to 500 m individual stencilling ( e. g. Company-logo or -name) all international couplings standards data specification Technical data diameter bursting pressure working pressure weight in mm in inch in bar in psi in bar in psi in g 25 ( D) 1 60 870 16 235 145 42 ( C) 1 2/ 3 60 870 16 235 235 52 ( C) 2 60 870 16 235 285 75 ( B) 3 60 870 16 235 490 110 ( A) 4 1/ 3 35 510 12 175 820