Dosing Pumps

Dosing pumps are pumps with meterable release rates which are used for additives or hard to mix liquids into nearly any type of mixing, solutions, and/or tanks. Due to the abrasion of the liquids that these pumps handle, they are made from exotic materials such as poly–carbon materials, thermoplastic, stainless steel, and/or duplex steel and easy to use mounting brackets, and can be installed with a variety of accessories. Some types of dosing pumps that are usually used in the dosing category are diaphragm pumps in single or double configuration. Dosing pumps hard asked to move some of the toughest fluids in the industry such as acids, concrete and grout, coolants, very hazardous materials, fuel, molted metals, and adhesives among others. Some of these fluids can have special characteristics such as a very high viscosity and temperature, and can additionally be combustible and corrosive in diverse environment.Another type of dosing pump or metering pump can be a progressing cavity pump with comprehends a stator and rotor which can be mounted horizontally or vertically and can pump highly efficient solutions very abrasive and with solids such as sludge and slurry, animal waste, powers, sewage, oil, and even grapes, and peanut butter. These type of dosing pumps are positive displacement and are usually operated with a speed controller to control the exact amount of discharge achieve with the pumps. The whole system comprehends of a base with the gear reducer and a frequency inverter that can be inside of the reducer of outside in the control panel. Due to the friction between the metal of the rotor and the rubber of the stator these type of pumps can not be run dry – It will damage the pumping elements. Therefore, add-on systems as flow sensors, or temperature sensors can be installed to prevent any damage to the costly elements.Some other types of dosing pumps can work in environments where explosion proof, hygiene or sanitary, and corrosion resistance are required. Some of the dosing pumps that have non-clog capabilities can move fluids with large and skinny particles that can clog the pump mechanism and prevent the rotating speed of the pumping element. In other applications, where non-clog pumps are cost prohibited, the installation can be done with filters or strainers that collect particles at the entrance or suction side of the pump. Some of the pumps are of centrifugal type and can be built with a bare shaft (two bearings) or direct couple to the motor (one bearing). As with all centrifugal pumps, you can have dosing centrifugal pumps that can be drive with a motor in line, or in piggy back configuration. There is also AC or DC pumps available, and for higher pressure you can have multistage pumps.Dosing pumps or metering pumps can be found in nearly all types of industries with the most notorious being in no specific order the aerospace and defense sector, automotive, mining, paper and sugar mills, water and waste water treatment facilities, chemical and oil production and refining, power generation, food processing, construction, pharmaceutical, plastics and paint processing plant, etc. In resume, dosing pumps commonly of small size to pump metered fluid for a different variety of fluids with emphasis on hard to pump, and can be found on nearly all sector of the industry.

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