• Red Lion 97080503 Shallow Well Jet Pump and Tank Package, Cast Iron Pump with pressure Tank, 5.8 gallon
Save money, conserve water, and keep your lawn or garden looking beautiful, all with the help of the Red Lion 1/2 HP 80 GPM Cast Iron Sprinkler Pump. This irrigation sprinkler pump helps draw water out of your pond or lake to be used in your sprinkler system but it can also pump water for pools, water transfers, or boosting household water pressure. The RLSP 200 model features a high efficiency thermoplastic impeller and diffuser, 1/2 horsepower, 80 GPH flow rate, 47 PSI maximum pressure, and self priming to 25 feet. Rugged and durable, the Red Lion 1/2 HP 80 GPM Cast Iron Sprinkler Pump will stand up to corrosion, rust, and time to perform for you and your lawn.
  • 1/2 HP SHALLOW JET WELL PUMP: Jet pump and pre-charged pressure tank are factory assembled and ready to install
  • HEAVY-DUTY CAST IRON CONSTRUCTION: Pump casing is made of rugged cast iron
  • SHALLOW WELL PUMP WITH TANK: It has a low profile, 30/50 pressure switch, compact horizontal pressure tank. The tank has a high-grade diaphragm water chamber
  • EASY INSTALLATION: This pump is ideal for the supply of fresh water to rural homes, farms, and cabins where compact system size and ease of installation are most important
  • SHALLOW WATER PUMP: This system includes 1 Shallow well jet pump (RL-SWJ Series), 1 5.8 Gallon pre-charged steel tank, 1 Pressure gauge. This can be set for use with 115 Volts or 230 Volts

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Red Lion 97080503 Shallow Well Jet Pump and Tank Package, Cast Iron Pump with pressure Tank, 5.8 gallon

  • $275.19
  • $274.89



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Dynamic Head

The effect of the Earths gravity on the "lift" or head pressure is fairly simple; for every vertical foot of distance the pump moves the water you are adding one foot of head pressure so the ratio is a 1:1 ratio. The effects of the friction, caused by water as it travels through your hose or pipes, on the total head pressure is a little more difficult to calculate especially as there are slight variations in pipe friction in different hose materials and the smoothness of the inner bore. Basically. for every ten feet of pipe through which the water has to travel travel horizontally will contribute 1 foot of head height; the ratio of the pipe friction loss is a 10:1 ratio.

Plumbing fixtures and bends and corners in your hose also increase the total head you must calculate to ensure the proper final volume from your pump. Every corner with a 90 degree elbow in your plumbing will add 1 foot of head pressure  with a 1:1 ratio. 45 degree elbows, tees and even insert couplers can all have an impact on the final flow.

If you install a pump 40 feet away from the top of your waterfall which is 6 feet above the pump and the tubing is a single run of 40 feet horizontally then you add 4 feet of head for the tubing length (the 10:1 ratio) to the 6 foot differnetial between the pump location and the final height of the waterfall so your final total dynamic head calculation would be 10 feet. This means your final volume of water flow in this water feature or application would be the volume of flow on the performance curve that equaled the gallons per hour at 16 feet. This volume will certainly be much less than the initial volume the pump can move at an open flow or a zero head.

If in the above example your 40 feet of horizontal tubing run also required 3 elbows of 90 degrees then an additional 3 feet of theoretical head would be added and your final flow result would be at 19 feet on the performance curve of the pump. In this example you would want to choose a pump that has the desired GPH rating at 9 feet of head pressure.  Tubing size is also an important factor in accounting for head pressure loss, in general you should never reduce the diameter of the tubing below what the output size of the pump is, this will drastically increase head pressure, and reduce pump performance.  For maximum pump performance, using the largest tubing that is practical is the best choice. A best practice is to use a hose with an inner diameter that is the same as your pumps outlet fitting.