أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
1- every (hose reel) cover a circle area of radius25m (reel length + water through) so the distance between any2 reels maximum is50m .
2-the reel must be from90 cm to150 cm above ground.
3-the reel is corridors and entrance ( places you can reach) .
4-must be a ball valve installed in reel cabinet .
5-each reel is100 gpm and minimum2 opened at the same time in case of light hazard ( for pump gpm calculation)
6-the residual water head form the reel is from4.5 bar to6.9 according to your country(for pump head).
6-the main riser in only reel system ( no sprinkler )is always4" .