• Seaflo 2000 GPH 12v Boat Marine Plumbing Electric Bilge Pumps
Product Description

This product is 100% brand new and comes in original packing box
Fully submersible electric pump
Heavy duty motors, offer high capacity output
Water cooled long-life motors
Ignition protection
Water/moisture tight seals
Stainless steel shafts
Rustproof and corrosion resistant
Snap lock strainer base for easy installation and removal Silent and vibrationless operation
Anti-airlock protection
Will not burn out when run dry
Includes comprehensive user manual with installation instructions and wiring diagram

Specifications

Voltage: 12V DC
Flow capacity: 2000 Gallons per hour (7571 Litres per hour) - 126 Litres per minute
Max. delivery head: 6.4 metres (height of vertical water flow up pipe)
Current draw: Only 14.0 A
Hose Outlet: Suits 28mm (1 1/8") diam. hose
Dimensions: Height 152mm x Top width 77mm diam. x Bottom width 108mm diam.
Twin core wire 750mm long
Approvals: CE , RoHS

Applications

Typically used in boat hulls / bilges Bait tanks
Ponds, pools, spas
Other applications where you have to remove water from

Note: These pumps are designed for intermittent use only, NOT designed for continuous use

We also stock automatic float switches, which turn the pump on and off at preset water levels.
  • Fully submersible electric pump
  • Heavy duty motors, offer high capacity output
  • Water cooled long-life motors ; Ignition protection
  • Water/moisture tight seals; Stainless steel shafts; Rustproof and corrosion resistant
  • Snap lock strainer base for easy installation and removal; Silent and vibrationless operation
  • Fuse Amps : 14.0 A

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Seaflo 2000 GPH 12v Boat Marine Plumbing Electric Bilge Pumps

  • $49.90



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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.