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feb 26, 2016 suppose that a tentative selection of a 3.5 open- side discharge setting has been made for a standard gyratory primary crusher to be used for crushing quarry-run limestone. referring to the table which lists percentages of product passing an equivalent square opening, we find that to 90% of the crusher product should pass a 3.5 square filters, strainers & screens. anrod screen cylinder company is an iso-9001 registered supplier of quality filtration products. custom strainers, filters and screens fabricated from wire cloth, perforated or expanded metal, and synthetic fabrics have been our specialty since 1950.dalian a.l.x machinery co. ltd is a provider of oem metal machine components to many major national companies since 2004. We are engaged in one-stop solutions to deal with product challenges with local resources. alx collaborates with oem engineers on improving parts manufacturability and cost-effectiveness without reducing the integrity laval lab, the one-stop specialist in milling. for over years laval lab inc is the one-stop specialist for size reduction of all types of materials. We have the right crusher, pulveriser, grinder or mill for the laboratory to pilot plant sample processing. We serve all major industries such as mining and metallurgy, chemistry, pharmaceutical