... metal, it is also can be used in various acid liquid for lead ,zinc, gold, silver, copper, manpnese cobalt, rare-earth ... .c) Used for various sulfuric acid , hydroch loric acid, oil clean liquid.d) Used for hydrochloric acid, electrolytee) Used for water-treatment ... and steel industry.g) Used in alkalinity, acid or corrisive liquid.2. Technical parameter a). Caliber:DN25~DN250mm b). Capacity:3 ...