A roller that lasts four years in a cement plant can fail in four months at a port terminal. We specify material, seal, coating and shell type against the failure mode of your site — not against a catalogue.
Failure mode: Abrasion from rock cuttings, continuous duty, corrosive ground water.
Our specification: Reinforced tube wall, acid and alkali resistant coating, multi-stage labyrinth sealing against fine dust. Built for zero failures across millions of load cycles.
Typical supply: troughing and impact idlers, heavy-duty sets, rubber disc and spiral return rollers, ceramic-lagged pulleys.
Failure mode: Salt-spray corrosion, high belt tension, continuous shiploading cycles.
Our specification: Hot-dip galvanizing or marine-grade coating, dynamic balance calibration, and rollers proven at 200% overload test so continuous operation is never the weak link.
Typical supply: ship-loader conveyor belts, head and drive pulleys with lagging, troughing and return idlers.
Failure mode: Elevated temperature, coal dust, fly-ash adhesion.
Our specification: Thermal stability to 500 °C, ceramic coating for anti-adhesion, and vibration control to ISO 1940 limits.
Typical supply: coal-handling idlers and pulleys, cleaners with carbide blades, impact beds at transfer points.
Failure mode: Radiant heat to 1200 °C, scale and impact loading.
Our specification: Heat-resistant assemblies with manganese-steel reinforced shafts, and full lifecycle ID management so the plant can track each unit's service history.
Typical supply: sinter and ore conveying idlers, heat-duty pulleys, heavy-duty frames.
Failure mode: Fine abrasive dust that packs seals and destroys bearings.
Our specification: Carbide-tipped cleaners, negative-pressure dustproof designs, and sealing stacks proven to run roughly three times longer than standard designs under the same dust loading.
Typical supply: dust-sealed idlers, buffer beds, primary and secondary belt cleaners.
Failure mode: Corrosive atmospheres, wash-down, chemical attack on standard coatings.
Our specification: Stainless shells, UHMWPE/HDPE and polymer options, and coating systems matched to the process atmosphere.
Typical supply: stainless steel idlers, polymer silent rollers, PU and PVC belts.
Material, temperature, atmosphere and tonnage — that is enough for us to specify the build and quote within 24 hours.
Request a Quote