Bottle, pail and drum pumps generally fall into one of the categories below:

  • Manual Pumps
  • Power Pumps
  • Safety Pumps

If you are looking to select the right pump, some of the things that you should know are not only how thick the liquid is that needs to be pumped but also the chemicals that will be going through the pump. You will also need to know if you will need a food grade pump, the size of the containers needed, the chemical components of the liquids and how much liquid will be dispensed per minute.

You can decide on the pump that is right for your needs by considering these six different factors, accumulated by Flux Pumps, necessary when choosing a pump.

1) Chemical Compatibility

Always ensure that the parts of the pump that will be in contact with the liquid are constructed from materials that are compatible chemically with the liquid. These parts of the pump are also known as wetted parts. Be sure you review the Material Data Safety Sheet (MSDS) that accompanies the liquid. The MSDS will explain the chemicals or chemical combinations that are contained in the liquid so you will know in advance if your pump is compatible.

2) Requirements For Dispensing

You will also need to know the amount of liquid that will need to be dispensed every minute or stroke. It is also necessary you know how quickly you want the liquid to be dispensed. Hand pumps generally have a predetermined amount of liquid they can dispense per stroke. However, the amount a hand pump can dispense per hour or minute is dependent on the endurance and strength of the person using the pump.

Power pumps have a particular rate per gallon per minute that they are able to pump. The rate for power pumps will depend on the thickness of the fluid that is being pumped as well as the power of the pump.

The ‘up to’ rate that is published on these pumps offer a specific gallons per minute (GPM) rate that will give the user a scenario and also a stepping stone you can work with.

3) Centipoise

You will also need to consider the centipoise of the liquid you are trying to pump. The centipoise is simply the measurement of the thickness or viscosity of the product.

4) The Size of the Container

This is an important factor to know if you are planning to pump a specific liquid more than once, if you are pumping only out of one container or if you are planning to transfer the liquid between containers.

5) Pumps For Food Grade Liquids

Are you planning to use a food grade pump? If so, you need to be aware of the regulations that apply when you are working with food grade substances or regulated substances. Sanitary pumps and food grade pumps can be purchased for power pumps and manual Pumps.p

There is a range of sizes of pumps available that will fit containers from one-gallon bottles all the way to totes that are 275 gallons.

If you are planning to use containers that are different sizes, you will need to find a pump that will be easily adaptable for most of the containers. The tube length of the pump generally indicates the size of the container that will fit best on the pump.

For example, a pump that fits a 55-gallon container can also be used on a drum that is 15, 20 or 30-gallons as well. This is fine as long as you do not mind that the top area of the pump will be positioned above the containers that are smaller.

6) Manual or Power Pumps

Finally, you will need to choose between manual and power pumps. A manual pump is operated by the user and a power pump is available in an electric version. The one you choose will decide on your power availability or the type of power you want to install in your building.

If the drum you choose is going to hold materials that are hazardous, the drum must meet the UN/DOT 49 CFR 173.3 (c) requirement. This means that the drum will be able to hold leaking or damaged containers that contain hazardous materials.

You can choose from a variety of colours, covers, fittings and sizes.