What Is a Plunger Metering Pump?

We have at one time or another come across a certain type of pump. If you think you haven’t, take a look at your conventional water pumps in your home garden. The same application applies here to these meter pumps. The use of pumps has become a day-to-day application for most of us. Almost everywhere we turn we see it in use and may often forget its importance. The pressure associated with each pump will vary accordingly with its installed valve. Their uses span across any possible industry that you can think of right now.

Since we can all agree that we now recognize what a pump is and its mode of application, the next thing that may present another form of obstacle for our comprehension will be “what exactly is a metering pump?” From the word ‘meter’ we can rightly deduce that it has to do with something calculated or gauged. In reality, you are not far from the truth on that one. Metering pumps are devices that that dispenses a determined volume of liquid at a particular time in an accurate flow rate or dispensation. By explaining the idea behind a metering pump, one can easily relate it to any types of dispensing valve in use. These pumps help for precise distribution of fluids over a particular area at an exact timing.

A plunger pump is a little different from a piston pump. The mode of operation of a piston pump may readily come to mind when trying to analyze the operation of plunger pumps, but these two are not the same. Like the piston pumps, a plunger pump has a positive displacement when in operation. The seal of the pump (which is often highly-pressurized) is stationary and a smooth (well it can’t be rough) cylindrical shaped plunger slides through, unhindered, in the seal. If you are very much abreast with this little physics, you will rightly agree that a plunger pump generates more pressure than a piston pump.

The two basic components of a plunger metering pump are the pump head and motor. In application, the liquid to be dispensed goes through the pump head from an inlet and exits through an outlet. The motor, which is usually electrically driven, drives the pump head and decides the amount of pressure to be used in dispensing the fluid. With the aid of the plunger meter, the fluid dispensation can then be controlled in volume and also in the timing of dispensing. Because of the added benefits of having a meter attached to a plunger pump, this pump types has found many uses in several industries.

As a result of the modular design associated with the plunger metering pumps, it is adequately suited – in performance – for any type of pump job that requires higher pressure. It enables its user to have a broader field of application as its modular design and weight allows for ease of usage. If one is looking for a pump for any fluid application that requires pressure, the plunger metering pump should be a first choice.

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