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  • Integrated Automatic Chemical Dosing Machine Polymer Dosing System

    • China Integrated Automatic Chemical Dosing Machine Polymer Dosing System Manufacturers, Suppliers, Factory

    Do you want Integrated Automatic Chemical Dosing Machine Polymer Dosing System made in China with Low Prices? Dongkai Pump Technology is definitely your good choice. We are known as one of the famous Integrated Automatic Chemical Dosing Machine Polymer Dosing System Manufacturers and Suppliers in China. Our factory produces high quality Integrated Automatic Chemical Dosing Machine Polymer Dosing System, which can be wholesale in bulk. You are welcomed to contact us and buy what you need with our price list and discounts. We have different kinds of products in Stock for you to choose from.

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      Chemical Dosing Pump for Ammonia

      Dongkai is a leading China Chemical Dosing Pump for Ammonia manufacturers. Chemical Dosing Pump for Ammonia's working Principle: The motor drives worm gear pair; through eccentric mechanism, rotary motion of the motor is transformed into reciprocation of slide bar. Reciprocating slide bar directly propels mechanical diaphragm to make cyclic deformation, so as to suck in and discharge the medium....
    • Plastic Air-Operated Double Diaphragm Pumps

      Plastic Air-Operated Double Diaphragm Pumps

      Find a huge selection of Plastic Air-Operated Double Diaphragm Pumps from China at Dongkai. The Plastic Air-Operated Double Diaphragm Pumps is a new type of pumps. In recent years break-through progress has been made in the diaphragm material, so more and more industrialized countries in the world have adopted such a pump type to replace some centrifugal or screw pumps to be applied in such industries as petrochemicals, ceramics and metallurgy. Plastics Electric diaphragm pump are applicable for low pressure applications, namely the outlet pressure ≥3kgf/cm2.
    • Automated PAM Dosing Systems

      Automated PAM Dosing Systems

      Find a huge selection of Automated PAM Dosing Systems from China at Dongkai. Automated PAM Dosing Systems is a continuous polymer makeup and dosing equipment. The equipment can mix the polymer fully with high efficiency, and then the homogeneous activated polymer can be ready for further treatment. Widely applied as the supporting equipment of sludge dewatering equipment in municipal wastewater, slaughtering, chemical plant and etc.
    • Safety Relief Valve for Back Pressure

      Safety Relief Valve for Back Pressure

      Dongkai quality Safety Relief Valve for Back Pressure help to relieve excess pressure on the pump system or maintain pressure at a setted point. Safely relief valve is installed on the outlet pipeline of metering pump. When the system pressure becomes abnormal, safety relief valve protects metering pump from any damages. Back pressure valve shall be installed at the outlet of metering pump in order to reduce siphon and excess feeding, and ensure the metering accuracy of metering pump is not affected. When dosing point is lower than the outlet of metering. Each Valve is diaphragm type with 2-port design, which can be used both as safety relief and back pressure valve
    • Sodium Hypochlorite Metering Pumps

      Sodium Hypochlorite Metering Pumps

      Dongkai is a leading China Sodium Hypochlorite Metering Pumps manufacturers. By turning on and off, a solenoid propels the solenoid shaft forward and backward. The dosing head's diaphragm receives this stroke movement. During pumping, two check valves stop the feed chemical from flowing back. That's not all, though. The metering rate of sodium hypochlorite metering pumps can be precisely changed by adjusting the stroke length and stroke rate.
    • Aluminum Air-Operated Diaphragm Pump

      Aluminum Air-Operated Diaphragm Pump

      China Hot Sale Aluminum Air-Operated Diaphragm Pump Factory. Aluminium Alloy Air Operated Diaphragm Pump is a novel volumetric pump that uses compressed air as the power source to distribute air through the reciprocating motion of the air valve and drives the diaphragm to squeeze the conveying medium.
    • Related Blog
    • Reviews

    • What problems should be paid attention to when installing metering pump

      When the metering pump is in use, it should not exceed the rated pressure, which will easily damage the pump. In addition to the use, there are some problems that need attention when installing the metering pump, and the installation problems will also affect the use of the metering pump.

    • Which occasions is the diaphragm metering pump suitable for?

      Since the electric diaphragm metering pump has many characteristics, the diaphragm metering pump in the world has gradually invaded the market of other water pumps since its birth, and occupies a part of it.

    • Matters needing attention in using metering pump (Part 2)

      1.When installing the PVC pipeline of metering pump (remember not to put the glue into the valve body, and then install the metering pump after the pipeline glue is completely dry). When installing metering pump and welding stainless steel pipeline (welding slag or sundries must not fall into pipeline and valve body). Falling in foreign matter may cause a series of problems, such as no water from metering pump, which may cause the metering pump to be damaged in severe cases.

    • Cause-level treatment method of dosing pump without dosing

      If the metering pump is not dosed or the dosage is insufficient, first check whether the one-way valve is blocked or whether the outer diaphragm fails. When checking, first remove the check valve body of the pump head, start the motor, adjust the plunger stroke

    • Precautions for the use of metering pumps

      The pump is not filled with oil before leaving the factory. When it is used for the first time, please fill in the lubricating oil that came with the goods. It is advisable to add the oil to half of the oil window on the left side of the pump.

    • Usage of metering pump

      The metering pump is a positive displacement pump. When in use, first check that the anchor bolt and lubricating oil level of the pump body are normal, and turn the motor. After confirmation, open the inlet and outlet valves of the pump, start the motor, and then slowly adjust the stroke of the pump from 0 to 70-80%.

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