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  • Plastics Electric Diaphragm Pump

    Plastics Electric Diaphragm Pump

    The Plastics Electric diaphragm pump 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.
  • Bladder-Actuated Damper

    Bladder-Actuated Damper

    Dongkai is a professional leader China Bladder-Actuated Damper manufacturers with high quality and reasonable price. The Bladder-Actuated Damper 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.
  • Innovative PAM Injection Equipment

    Innovative PAM Injection Equipment

    Dongkai is a leading China Innovative PAM Injection Equipment manufacturers, suppliers and exporter. Innovative PAM Injection Equipment 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.
  • Flocculant Dosing System for Wastewater Treatment

    Flocculant Dosing System for Wastewater Treatment

    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.
  • Stainless Steel Electric Diaphragm Pump

    Stainless Steel Electric Diaphragm Pump

    Stainless steel Electric diaphragm pumps combine the advantages of air-operated double diaphragm pumps with an energy efficient electric drive to reduce energy consumption, operating costs and pulsation. The centre section of these pumps use an electric drive instead of compressed air. The centre section is filled with pressurised air and is mechanically moved by the motor pushing and pulling the diaphragm from left to right. This back-and-forth motion, forces material out of one chamber and into the outlet manifold, whilst filling the opposite fluid chamber via the inlet manifold. The smooth changeover allows for reduced pulsation at the outlet.
  • Chemical Dosing Systems For Water Treatment

    Chemical Dosing Systems For Water Treatment

    Find a huge selection of Chemical Dosing Systems For Water Treatment from China at Dongkai. A chemical dosing system is a facility for automated injection of reagents into a wastewater network for the control of septicity and odour emissions. These systems are typically used at pump stations, sewer manholes, and rising mains. However, they can be installed any place where odour containment is required.
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  • 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.

  • Application fields of Sodium Hypochlorite Pump

    The biggest feature of this pump is that it can deliver sodium hypochlorite into various closed systems, which means that in the fields of hygiene and cleanliness, it can more effectively kill various bacteria and viruses, and in the industrial field, it can more quickly treat wastewater and exhaust gas, making environmental protection work more efficient.

  • Phosphate dosing pump has broad application prospects

    Recently, reports on phosphate dosing pumps have attracted widespread attention. Phosphate is a chemical substance that can be widely used in agriculture and industry. However, excessive use of phosphate can cause significant harm to the environment.

  • Accurate Hydraulic Diaphragm Metering Pumps: Meeting the Demands of Heavy-Duty Industries

    In today's fast-paced industrial landscape, precision and durability are key factors in equipment selection. Accurate Hydraulic Diaphragm Metering Pumps have proven their worth in demanding fields such as oil and gas, chemical manufacturing, and water treatment.

  • Reasons and Solutions for Internal Noise of Metering Pumps

    As a professional metering pump manufacturer, I often hear feedback from users that the metering pump will make a buzzing noise when it is installed and used for about 2 years. The most normal thing, just like the computer, we will also experience sluggishness after using it for a period of time.

  • Precautions for metering pump maintenance

    How does the metering pump adjust the pressure of the safety valve? The pressure of the metering pump safety valve can be changed within the rated working pressure area of ​​the metering pump, and it is not allowed to exceed the maximum working pressure of the metering pump. The metering pump safety valve is designed to avoid overpressure operation of the metering pump.

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