Waste lines from a sewage ejector or sump pump use a check valve to stop wastewater from flowing back into the basin. When ...

Anyone could have bought an off-the-shelf solenoid valve, not [Valentin], he designed his own. It is simple and just pinches the water supply tube to stop the flow of water coming from the ...

A team of researchers from Saarland University is creating lightweight, compact and energy-efficient miniaturized pumps and ...

Once most of the water is out (a small amount will remain), the pump will disengage, and the check valve will stop any water flowing back down the exhaust line. If your sump pump has a battery ...

As input and labor costs remain high, dairy processors are looking to optimize production efficiency and cut costs.

Detailed price information for Gabelli Global Small and Mid CA (GGZ-N) from The Globe and Mail including charting and trades.