China PP Chemical Diaphragm Pump Manufacturers, Suppliers, Factory

Our Metering Pump Check Valve​ products are recognized and praised by customers all over the world with excellent quality and good reputation!

Dongkai is a leading China Flocculant Dosing System for Wastewater Treatment manufacturers, suppliers and exporter. The automatic Flocculant Dosing System for Wastewater Treatment (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.

Dongkai is a leading China Bladder-style Shock Absorber manufacturers, suppliers and exporter. The Bladder-style Shock 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 Pump's Water Quality Improvement System undergoes strict testing and quality control to ensure your water quality is hygienic and safe. It also has multiple layers of security to ensure the quality of the water is not contaminated. At the same time ,Rich experience QA can help you audit the factory or check the goods quality before shipping.

China Advanced Plastics Air-Operated Diaphragm Pump Manufacturers and Suppliers. The Plastic Air-Operated diaphragm pump is the third generation of pneumatic diaphragm pump developed by Dongkai. It has six advantages of reliable quality, long service life, low noise floor, low vibration, high lift, never crash, and fine workmanship.

Find a huge selection of Automatic ammonia dosing system from China at Dongkai. Automatic ammonia dosing system, which are reciprocating positive displacement pumps, provide the greatest possible metering accuracy. In particular, they establish the benchmark for efficiency, dependability, and safety when it comes to pumping supercritical fluids.