Dosing Metering Pump | Chemical Injection Metering Pump

Working Principle The dosing metering pump uses a motor-driven transmission mechanism to drive the plunger or diaphragm for reciprocating motion. The periodic volume change inside the pump chamber, together with check valves, enables liquid suction and discharge. Operators can adjust the stroke length to precisely change the displacement per stroke and achieve steady, continuous chemical dosing. The pump supports manual flow adjustment, and can also connect with control systems to modify dosing volume in real time according to process signals. It maintains stable chemical concentration and meets accurate proportioning requirements. Application Fields Oil & Gas Industry: Inject corrosion inhibitors, scale inhibitors and demulsifiers in oilfield extraction and gathering systems. Chemical & Refining Industry: Dosing chemicals into reaction vessels and feeding refining additives; suitable for transporting corrosive chemical liquids. Thermal Power & Boiler Plants: Feed scale inhibitors and oxygen scavengers for boiler feedwater to prevent scaling and pipeline corrosion. Food & Pharmaceutical Industry: Accurate dosing of additives and liquid medicines to comply with clean production standards. Textile & Paper Industry: Quantitative feeding of dyes, bleaching agents and paper-making additives. Water & Wastewater Treatment: Dose PAC, PAM, acid and alkali reagents for water quality adjustment in drinking water and sewage treatment.