Spirotech says the answer to the magnetite, or “black sludge”, common in heating and chilled systems is deaeration. This process, it explains, “removes all air automatically, saves time to refill and re-commission, removes air pockets in radiators, reduces the costs of running pumps, prevents oxygen corrosion, and inhibits further black sludge formation”. cient system.”
The company said: “The costs of installing a SpiroVent Deaerator are normally recovered in the first year. Of the two types, the “in-line” unit requires no maintenance, and the electronic version just basic annual maintenance. Dirt separation removes everything over a short period of time, leaving completely dirt-free water to circulate. The only maintenance a SpiroTrap Dirt Separator needs is quarterly blowing down to drain. Spirotech inclusion, even retrospectively, will transform any ineffi
