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For the rollers diameter 76 and 89 mm, aluminium flanges are supplied separately in a special kit, composed by 2 elements and complete with zinc plated fixing bolts to assemble them in different ways. Attention: the screws must be tightened by torque wrench = 13 Nm

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Although not special, information on this design is given. The rough or zinc plated steel tube “N” or “Z and J” rollers with “D” values as per table, can be covered with a soft, elastic and smooth surface (hardness 73 ShA) grey colour (RAL 9006) PVC (Polyvinylchloride) plastic tube, particularly resistant to chemical agents. It is normally used to protect the roller surfaces and mostly to avoid scratching painted, enamelled, smooth, etc. load, and in some cases to increase friction. The PVC lagging is simply fitted on the tube with excellent coupling thanks to elastic tightening. Application temperatures ranging from -10°C to +50°C.

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Rilsan coated: heat treatment based on Rilsan Polyamide powders of light grey colour, with particular resistance characteristics to chemical agents and wear

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Polyurethane lagging with 90 ± 5 Sh.A hardness, orange colour, a material which is particularly resistant to cuts, wear and abrasion. Hardness, colour and thickness can be supplied with other values on request.

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Lagging with 70 ± 5 Sh.A hardness, with surface turned to 3 mm minimum thickness. On request the lagging can be with different hardnesses or thicknesses or with glued rubber, Adiprene, Neoprene and Silicone compatibily with the number of rollers requested.