A siphon pump transfers liquid from one container to another. It has a short intake tube and a long discharge tube connected to a centrally located hand pump. The short tube is placed on liquid in a container located at a higher level and the long tube is placed in a container located at a lower level. The hand pump draws liquid to fill the intake tube until liquid flows through the discharge tube by force of gravity and creates a vacuum that will continuously suck the liquid from the intake tube.
- Skill level:
Things you need
- Siphon pump
- Bucket or container
Pour the liquid in a container and place the container above ground at an elevation at of least twice the height of the intake hose, but at least 3 feet from ground level. The liquid must be positioned at a higher level than the receiving container in order for the liquid flowing through the discharge hose to provide enough force that will pull the liquid up the intake hose. The higher the elevation of the liquid, the more suction force will be created by its fall due to gravity.
Place the receiving container at ground level and near the elevated liquid container. Hold the siphon pump and place the intake hose inside the elevated liquid container. Place the discharge hose inside the receiving container. Place a dry rag close to you in case you have to wipe spilt liquid.
Operate the pump manually either by squeezing the rubber pump or by moving the pump handle in up-and-down strokes. Most siphon pumps have either a squeeze-type or a bicycle-type pump. Siphon pump types may vary in form and style, but almost all of them operate under the same principle. Liquid in the intake hose is sucked by the vacuum created by the pump each time you squeeze it or perform an up-and-down stroke, and flows to the discharge hose to create a vacuum that will then suck the liquid up the intake hose. Continue pumping until the liquid flows through the discharge hose. The falling liquid will continue to suck the water up the intake hose and down the discharge hose for as long as no air accumulates inside the discharge hose.
Lift the intake hose away from the liquid in order to stop the siphon. Wipe any spilt liquid using a dry rag.
Tips and warnings
- Beware of cheap siphon pumps, some of them can easily leak or simply have ineffective pumps.
- Read the instruction manual that came with the siphon pump in order to get more detailed information regarding its operation. Some siphon pumps vary in design and may require additional instructions.
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