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Ammonia Automatic Dosing Pump, which are reciprocating positive displacement pumps, provide the greatest possible metering accuracy. They set the standard for safety, reliability and efficiency, especially when it comes to pumping supercritical fluids.

Zhejiang dongkai pump's Chemical Dose Control System provides absolutely precise control of chemicals. Whether your application is in water treatment, industrial processes, waste management or other areas, we ensure every drop is delivered precisely to meet your needs. Our Chemical Dose Control Systems are suitable for a variety of applications including pH adjustment, wastewater treatment, chemical processing and many other areas. No matter how complex your application is, we have a solution.

The effective and reliable swimming pool metering dosing pumps are the elements that allow us to maintain automatically a proper parameters of chlorine and/or pH in our pool. The main function of these swimming pool metering dosing pumps is the dosage of liquids, such as chlorine or the pH to maintain the ideal level of these parameters in the water. Have a control and adjustment of these levels is essential to prevent problems such as irritation of the eyes or the appearance of algae in the pool. Discover all the metering pumps for pH and chlorine pools and find the most suitable for you.

The Phosphate dosing pump is a metering pump, the pump capacity of which can be precisely adjusted in 0.2% increments, either manually or optionally with an electric actuator or control drive. The integrated controller allows the pump to adapt quickly and reliably to changing metering tasks.

Dongkai is a leading China Industrial High Pressure Pump manufacturers. Industrial High Pressure Pump's operating principle: Reciprocation of plunger drives hydraulic oil, and hydraulic oil drives the diaphragm to reciprocate, so as to suck in and discharge the medium.

The automatic flocculant dosing system (also called Polymer doser, polymer makeup system, polymer preparation unit, etc.) adopts the PLC control method, which pioneered the integration of fully automatic adjustment of pharmaceutical concentration, automatic dosing, dissolution, and dosing, achieving a breakthrough in continuous unmanned operation; significantly reducing the cost of design, construction, operation and maintenance.