China Pump Metering Pumps and Systems Manufacturers, Suppliers, Factory

The small solenoid diaphragm Acid Liquid Chemical Metering Dosing Pump offer precise chemical injection at a low cost. The compact size and simple control make them ideal for water treatment and OEM applications.

Find a huge selection of Precision Metering Pumps from China at Dongkai. Precision Metering Pumps'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.

Dongkai is a leading China High-Precision Swimming Pool Dosing Pump manufacturers. The effective and reliable High-Precision Swimming Pool 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 High-Precision Swimming Pool Dosing Pump 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.

Wholesale Low Price Chemical Diaphragm Pumps made in China. Meterton pump diaphragm mechanical diaphragm metering pump accessories PTFE

Dongkai is a leading China Bladder-Operated Vibration Absorber manufacturers, suppliers and exporter. The Bladder-Operated Vibration Absorber could be considered as the most traditional and widespread dampener, since it offers a great performance and is manufactured in a very wide range of sizes and building materials. Competitive in price, it is also easy to install. It is specially indicated for clean liquids without suspended solids and of low viscosity. It is manually adjustable and usually installed together with back pressure valves to guarantee the correct pressurisation of the air chamber in relation to the working pressure of the pump, being this assembly very common in diaphragm or piston metering pumps.

Dongkai Automatic Phosphate dosing device is customized system that is ready mounted and ready for use. The standard system is with dosing pumps, piping, storage tank, and other instrument required. The System is usually supplied with a platform skid, something with a ladder. All these dosing skids are designed responding to individual needs and configured in house. We have gained a lot of experience on packaged dosing system design and manufacturering.