HUNTER ABOVEGROUND SWIMMING POOLS
Phone: (02) 4947 2400 | Fax: (02) 4947 2470
PUMP
The pump moves water through the filter, chlorine generator, plumbing and automatic cleaners. A pool pump should circulate all pool water at least once a day. And efficiency is what counts. Greater efficiency means lower electrical costs. The key to pump efficiency lies deep in the heart of the pump’s design. The secret is to minimize turbulence as water passes through the pump. Less turbulence means less energy and less noise.
Matching an efficient pump to the pool will reduce running times as well enable running at night at a reduced tariff.
Pumps may have the same horse power but can differ in efficiency (running costs) by 30% to 50%.
At Hunter Pools we select pumps on efficiency not horsepower.
Example – compare the following flow charts and compare the flow rates on the two pumps of the same size and make and see the difference.
PIPING SIZES
One of the greatest influences on the efficiency of a filtration system is the sizing and design of the pipework.
EXAMPLE
FLOW RATES:
- Without back pressure a 40mm class 9 PVC pressure pipe has a maximum flow rate of 275 LPM (Litres Per Minute). 16,500 LPH (Litres Per Hour).
- 50mm class 9 pressure pipe has a maximum flow rate of 350LPM = 21,000 LPH. (an increase 30% or 18,000 litres over a 4 hour filter cycle).
By adding each of the following items they all create additional back pressure thus reducing your overall flow rate and can cause the pool to end up being a high maintenance pool if not designed correctly;
Elbow, tee, coupling, reducing coupling, bushes, valves, filters, heater, chlorinator, pH controllers, cleaners, and distance of pipe from pool to equipment and return plus head pressure etc.
At Hunter Pools we can individually design each system to match the pool, reducing the operating time and cost to a minimum.
Download SilentFlo Pool Pump performance chart
Download Leisure Time Pool Pump performance chart