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Top 5 Tips for Preventive Maintenance For Dosing Pumps

Have you ever wondered how the chemicals used to treat water in water treatment plants are added to the untreated water? No, they are not just splashed or poured into the water as such. Special pumps are available that help maintains the ph level of water or add or kill desired pathogens. These special pumps also called dosing pumps or metering pumps, are used to do the task. 

What are dosing pumps?



Dosing pumps are manufactured and designed to carry accurately measured amounts of chemicals or substances at a precise flow rate into a fluid system, stream, or gas. It works by drawing a certain measured amount of fluid into the chamber and then injecting or adding it to the tank or chamber that is being dosed. These chemical injection pumps are made up of anti-corrosive material to ensure durability. Dosing pumps are used in the agricultural industry and even for medicine manufacturing.

How does a dosing pump work?

Different dosing pump manufacturers produce different designs of dosing pumps, but the major parts remain the same. Therefore a dosing pump generally consists of a chemical tank or container where the product is dosed. Then there is a one-way foot valve, which allows the pump to be primed. It puts off an alarm when the product in the tank runs out. Then you have the pump, made up of chemical resistant materials; usually, PVC, rubbers, etc. The mechanics and design can vary based on the different manufacturers.

Then you have the dosing line attached to the suction of the pump. It has a variety of air release and pressure relief valves. Next comes the injector, through which the product is injected top the other project. The injector is a one-way valve. Every dosing pimp has a control system to check the precise amount of chemical flow, flow speed, and time on and off the pump. After the pump is primed and starts operating, it starts to do its task and stops when dosing.

There are different types of dosing pumps used for different applications. You have Diaphragm type constant injection pumps, Peristaltic pumps, Diaphragm type-pulse injection pumps, and Lobe type pumps. Dosing pumps are designed to be reliable. And once set and regulated properly, they will get the work done easily. But like humans, machines also require some maintenance to use them safely in the long run. Let's look into some preventive maintenance tips for dosing pumps.

Five tips for preventive maintenance of dosing pumps



Preventive maintenance refers to the steps you take to maintain the mechanism of the machines to prevent them from future damage. It makes the machine more reliable and ensures efficient machine performance. Following are some tips by which you can practice preventive maintenance

  1. One can do reliability checks based on the MTBF method. The pump reliability measure refers to the average time between the failures, calculated by dividing the number of hours the pump operated. It needs to be checked frequently.
  2. If possible, while doing preventive maintenance checks, the maintenance components in the pump can be changed, like the pump shaft seal and pump casing o-ring, together.
  3. The spare parts should be kept ready so the productivity is not hindered and there is a smooth workflow.
  4. For pumps damaged beyond repair with the critical level at three can be ignored later, when the pump has completely broken down. Since the damage level is high, repairing the pump would be a waste of time and energy.
  5. One should do the preventive maintenance checks of all the operating pumps at the same time to prevent the stoppage of the production process. The valves and the pumps are all connected. Repairing just one will cause a production breakdown. So while doing preventive maintenance, both should be repaired at the same time.

There are several dosing pump manufacturers, suppliers, and service providers sprawled all over the internet. Choosing the best one to fulfill your requirements can be a stressful job. Wrsdosing.com provides A1 quality solenoid-driven dosing pumps, air-operated diaphragm pumps, and their related accessories. They have a wide range to select from, giving you quality options. They, as a dosing pump supplier, provide pumps that are suitable for corrosive material as well. To know more about them, find our website.

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