| Various types of fluid transfer pumps are used in | | | | double pumping system. |
| numerous processing and handling applications, ranging | | | | Traditionally, the main component of base |
| from the chemical industry, agricultural and mining | | | | construction involved the use of cast iron. However, |
| industries and manufacturing, to name a few. A fluid | | | | cast iron is heavy and this weight is undesirable for |
| transfer pump is defined by the type of pump, the | | | | hand operated pumps, which are designed to be |
| material it is constructed of, types of fluids pumped, | | | | portable. Additionally, cast iron readily conducts |
| industries or applications served and the pressure or | | | | electricity and this characteristic is undesirable in some |
| flow levels it is able to produce. | | | | environments for safety reasons, as well as being an |
| Traditionally, fluid transfer pumps utilised two basic | | | | expensive input into the manufacturing process. |
| types of pumping action. The first, termed dynamic | | | | Furthermore, the life expectancy of such pumps is |
| action, increases the velocity of the fluid in the pump | | | | significantly less when compared to similar products |
| by exerting pressure on the volume of liquid. A | | | | made from materials such as plastic. Therefore, it has |
| displacement pump, in contrast, condenses and | | | | been deemed desirable to not only reduce the |
| compresses the fluid by decreasing the volume of | | | | weight of such fluid transfer devices by utilising lighter |
| fluid. When selecting a fluid transfer pump, there are | | | | weight materials in their production, but to pass cost |
| important specifications to consider that match the | | | | savings on to the consumer. The use of materials |
| application you desire it for, including the maximum | | | | such as mouldable plastic has created a lighter, more |
| pressure, temperature, and power drive. It is | | | | efficient and cheaper fluid transfer pump to be |
| essential to ascertain the flow capacity for the fluid | | | | available on the market. |
| transfer pump system in question. | | | | Leading suppliers of hand operated fluid transfer |
| A recent innovation is the materials used to construct | | | | pumps are utilising polypropylene and polyethylene |
| fluid transfer pumps, with special regard to manually | | | | plastics as the rugged component of construction to |
| operated hand pumps. The manual force that is | | | | ensure that the pump will easily dispense a range of |
| exerted upon the hand pump sets in motion an | | | | liquids, including strong acids, strong alkalis, cleaning |
| internal mechanism that causes the fluid contained | | | | chemicals, oils, lubricants, liquid food products and |
| within inside the pump to increase in pressure, | | | | many other chemicals can be dispensed safely and |
| whether it is water, chemicals or gases. Manually | | | | reliably. When selecting a specific fluid transfer pump, |
| operated pumps are typical of displacement pumps, | | | | ensure that the pump is designed with a double |
| requiring that the handle is pushed to begin the pump | | | | action pumping system, which ensures that large |
| cycle, often requiring one stroke to draw the fluid | | | | volumes are pumped effortlessly and efficiently, with |
| and another blow to discharge it. However, recent | | | | a continuous flows being achieved. |
| developments have resulted in the production of a | | | | |