... delivering acid and alkali liquid, oil, wastewater disposal liquid, pigment, food, Air-Operated Barrel-Type Pump Main features:It is applicable for ... delivering acid and alkali liquid, oil, wastewater disposal liquid, ... handleMRV00512500r/min0.8KGwithout hanleMRV0098070r/min3.4KGwithout hanle Air-Operated Barrel-Type Pump