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China Diaphragm Seals Manufacturers, Suppliers, Factory

Do you want Diaphragm Seals made in China with Low Prices? Dongkai Pump Technology is definitely your good choice. We are known as one of the famous Diaphragm Seals Manufacturers and Suppliers in China. Our factory produces high quality Diaphragm Seals, 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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  • Precision Metering Pumps

    Precision Metering Pumps

    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.
  • Ammonia Dispensing Pump

    Ammonia Dispensing Pump

    Dongkai is a leading China Ammonia dispensing pump manufacturers. Ammonia dispensing 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.
  • Chemical Dosing Pump for Ammonia

    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....
  • Industrial High Pressure Pump

    Industrial High Pressure Pump

    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.
  • Hypo Chlorine Pump

    Hypo Chlorine Pump

    Dongkai is a leading China Hypo Chlorine Pump manufacturers. A solenoid moves the solenoid shaft forwards and backwards by switching on and off. This stroke movement is transferred to the diaphragm in the dosing head. Two check valves prevent the feed chemical from flowing back during pumping. But that's not all. The stroke length and stroke rate can be precisely adjusted to alter the metering rate of Hypo Chlorine Pump. Acid Liquid Chemical Metering Dosing Pump
  • Automatic Phosphate Dosing Device

    Automatic Phosphate Dosing Device

    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.
  • Related Blog
  • Reviews

  • Diaphragm pump

    The diaphragm pump separates the liquid to be pumped from the movable column and the pump cylinder by means of a membrane, thereby protecting the movable column and the pump cylinder.

  • 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.

  • Detailed explanation of the maintenance of the metering pump

    Check the engineering diaphragm metering pump pipeline and joints for looseness. Turn the diaphragm metering pump by hand to see if the diaphragm metering pump is flexible.

  • Advantages of air operated diaphragm pumps

    Diaphragm pump is a new type of conveying machinery, which can convey various corrosive liquids, liquids with particles, high-viscosity, volatile, flammable and highly toxic liquids.

  • 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%.

  • 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.

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