To reduce the severe abrasion of the bends in pneumatic systems, abrasion resistant piping components with internal linings – such as ABRESIST – should be used. Because of continuing turbulence in the straight sections after bends, abrasion resistant pipes should be installed. Recommended length: 10 times the inside diameter or 1 – 2 meters.

Industry	Material
Abrasive products	Grinding wheel granules
Aluminium plants	Calcined alumina, bauxite, electrode carbon, crushed bath
Breweries, grain processing,feed mills, malting plants	Corn, barley, soy beans, malt, cocoa beans, sunflower seeds,rice hulls
Cement	Clinker dust, limestone, cement, fly ash, coal, blast furnace slag
Chemical plants	Caustic lime, fertilizers, lime dust,chrome ore, paint pigments, plastic pellets with glass fibers
Coal fired power stations	Coal, fly ash, pyrites, slag, ash, limestone
Coal mines	Coal dust, mine waste for backfilling
Foundries	Molding sand, dust collection
Glass plants	Batch, cullet, quartz, kaoline, feldspar
Iron & steel	Sinter dust, limestone, lime injection, coal, iron carbide, alloy additives
Mineral mining plants	Kiln feed, ore concentrate,coal, tailings, dust
Mineral wool & insulation products	Perlite, stone dust, refractory fibers, production wastes, dust from sawing operations
Refuse incineration, vacuum refuse collection	Domestic and industrial refuse
Sewage treatment	Limestone, organic fertilizer
Technical carbon products	Technical carbon, dust, graphite for electrodes
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