... , wire wrapped screens pipe, Johnson Screen, spiral screen tube, welded wedge wire screen, reversed slot screen, continuous slot pre-pack, water ... 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, mining ...