Hose reel 1.Drived by spiral spring 2.Can be used with electric motor ... reel is made up of stand, hollow spindle, solenium, spiral spring, revolving joint and ree drum.Revolving joint is ... connecting device between the static pipe and the hose.Spiral spring is the power source of the reel.Features ... reel when drived by the energy stored in the spiral spring.Attention: The reel can be used with electric ...