Small Pittsburgh seams use a male flange and a female pocket of 1/4″ with tab that after the male end is inserted is pounded over the top to ensure a secure longitudinal seam. Pittsburgh seams are approved for +/-10″ of pressure.
Small Pittsburgh seams use a male flange and a female pocket of 1/4″ with tab that after the male end is inserted is pounded over the top to ensure a secure longitudinal seam. Pittsburgh seams are approved for +/-10″ of pressure.