Material spiral: spring steel wire, plastic-coated wall: soft PVC Film thickness between spirals approx.0.5 - 0.8 mm, dep. on DN size Applications ● Transport of fine-grained particles, such asdust and powder ● Protective hose ● Liquid drainage ● Suction and transport hose for solid, liquidand gaseous media ● Ventilation and air-conditioning systems ● Dust removal ● Apparatus construction ● Spinning fibre extraction | Properties ● extremely flexible ● light ● smallest bending radii ● good chemical resistance ● gas-tight ● mostly smooth inner lining ● optimum flow characteristics ● good oil/alkali/acid resistance ● acc. to TRBS 2153 (Zone 1, 21) for nonflammbledust and gases Temperature Range ● –20°C to +70°C ● peaks to +80°C |