... steel Johnson screens pipe has a strong resist-collorationSpecifications:1.Slot size (mm): 0.10,0.15,0.2,0.25 ... .Open area: up to 60%SIZE(inch)O.D(mm)SLOT(inch)LENGTH(m)COLLAPSESTRENGTH(psi)TENSILEWEIGHT(ton)WRAP thick*deep ... or back washing.3. Maximum process output: Precise and continuous slot openings resulting in accurate separation without loss off media.4 ...