... 12,000,mm slot 0.1,0.15 Specificationsthe Johnson screen pipe diameter 50,53,57,60,65,70,,75,80, ... various kinds of mine sieving mesh(screen plate, screen piece, screen basket, screen tube, arc screen )TOP glavanized water well screen in the all welded continues slot ... wire construction will not plug due to screen is v. shape pattern and will only have two point . Galvanized water well screen pipe