... screens pipe, Johnson Screen, spiral screen tube, welded wedge wire screen, reversed slot screen, continuous slot pre-pack, water filter ... or low carbon galvanized or mild steel wire screen, wire wrapped liner, woven wedge wire screen, slot wire screen tube, conical well screen, Suction ... or steel plates Aperture minimum: 0.1 mm Frame: polyurethane, flat iron 40 * 8mm & 40 * 6mm USES: used in coal, ...