|Item code||Model number||Voltage Type|
|LAI-D5SOLAR710B||D5 Solar/710 B||DC|
Laing D5 Ecocirc
PV-Direct Solar Circulating Pumps
D5 Solar/710 B, D5 Solar/720 B, D5 Solar/090 B
The first DC spherical motor pump for direct connection to photovoltaic panels with automatic performance optimization using MPPT technology (Maximum Power Point Tracking)
The principle of the spherical motor, which was invented by Laing, is fundamentally different from conventional canned motor pumps. The only moving part in a spherical motor is a hemispherical rotor/impeller unit, which sits on an ultra-hard, wear-resistant ceramic ball. There are no conventional shaft bearings or seals. This rules out, in effect, the possibility of play in the bearings and the increase in noise associated with it. These pumps are particularly robust and give exceptionally long service. The self-realigning bearing is lubricated and cooled by the media. Maintenance is not necessary under normal conditions and even after lengthy shutdown periods a reliable start-up is virtually guaranteed. The parts exposed to the fluid are completely corrosion resistant.
Automatic performance optimization – MPP tracking
(Curves for the model 710B and model 720B are the same.)
I've been using two Laing D5/090B pumps for several years, and they have run trouble-free circulating hot propylene glycol solution in a solar radiant heat floor application. However, the /090 does not move quite enough fluid (even with the check va
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I use this pump to circulate pool water over a waterfall. It keeps water in motion all day and enables chlorination. It is very effective and easy to rig up. I may want to order a larger pump in the future.
This pump works great, BUT Dont ever let get the smallest leak in the tubing where a small drip can travel down the side and then gets inside the motor very easily. It will short it out. It seems the seal on these pumps dont seal a thing. When you ca
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