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2. Submersible pump - Wikipedia

   en.wikipedia.org/wiki/Submersible_pump

   A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

3. Float switch - Wikipedia

   en.wikipedia.org/wiki/Float_switch

   This minimizes the on-off cycling of the associated pump. [2] Some float switches contain a two-stage switch. As liquid rises to the trigger point of the first stage, the associated pump is activated. If the liquid continues to rise (perhaps because the pump has failed or its discharge is blocked), the second stage will be triggered.

4. Grinder pump - Wikipedia

   en.wikipedia.org/wiki/Grinder_pump

   A pump for household use is usually 1 hp, 1.5 hp or 2 hp. A cutting mechanism macerates waste and grinds items that are not normally found in sewage, but may get flushed down the toilet. The pump has a level sensor either built into the pump, called “sensing bells,” or attached externally to the pump, typically a float switch. (The level ...

5. Solar-powered pump - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_pump

   A windpump replaced by a solar-powered pump at a water hole in the Augrabies Falls National Park. [Notes 1] This solar water pump up to 3.7 kW is useful for farmers.Solar-powered pumps run on electricity generated by photovoltaic (PV) panels or the radiated thermal energy available from collected sunlight as opposed to grid electricity- or diesel-run water pumps. [1]

6. Pressure switch - Wikipedia

   en.wikipedia.org/wiki/Pressure_switch

   Switching off an electrically driven gas compressor when a set pressure is achieved in the reservoir; Switching off a gas compressor, whenever there is no feed in the suction stage. in-cell charge control in a battery; Switching on an alarm light in the cockpit of an aircraft if cabin pressure (based on altitude) is critically low.

7. Thompson Pump and Manufacturing - Wikipedia

   en.wikipedia.org/wiki/Thompson_Pump_and...

   The company was the first pump manufacturer to adapt a rotary pump to the dewatering industry. [2] It manufactures all of its pumps in-house and manages sales, rentals and service through domestic and international field offices, as well as a network of third party distributors. George Jr. died in 1979 at age 25, and George Sr. retired in 1999.