Covers the requirements for carrying and return idlers and idler sets up to and including three idlers for belt conveyors.
1.1 It does not cover idlers and idler sets for portable and mobile belt conveyors. Garland, catenary and impact, and transition idlers are also not covered by this standard.
IS 8598-1987 history
1988IS 8598-1987 Specification for belt conveyor idlers and idler sets