Material
1 spiral: spring steel wire
2 wall: pure polyester polyurethane (acc. to DIN ISO 4649 more abrasion-resistant in comparison to polyether polyurethane)
3 wall thickness between spirals approx. 0.5 mmApplications
•hardly inflammable transport hose for abrasive solids
•wood processing machines
•shavings extractions in wood processing
•protective hose against mechanical wear
Properties
•flame retardant acc. to DIN 4102 B1
•Acc. to requirements of the Holz-BG standard, BGI 739-2
•symmetrical fold behaviour
•extremely compressible to approx. 1:4
•highly flexible
•permanently kink resistant
•smallest bending radius
•halogen and plasticizer-free
•optimum flow characteristics
•highly abrasion-resistant
•good resistance to chemicals, oil and fuel
•high tensile strength
•generally good UV and ozone resistance
•acc. to TRGS 727 and ATEX 2014/34 EU, with earthing at both ends of the spiral for non-flammble dust/bulk solids in Zone 22. For gases/liquids with low conductivity of electrostatic charges in Zone 2. Temperature Range
•-40°C to +90°C
•peaks to +125°C