Mechanical Float Switches

Common types include vertical float switches that slide along a rod, horizontal float switches that pivot on a hinge, cable-suspended floats used in sumps and wells, and magnetic float switches that use a float ball with an embedded magnet to trigger a reed switch through a sealed tube.

Float balls are typically manufactured from 304 or 316 stainless steel for corrosion resistance and durability. Other materials may be available upon request depending on the application, such as chemical exposure or food-grade requirements. Stainless steel is preferred over plastic for its strength, pressure tolerance, and long service life.

Yes, float balls can be custom-manufactured with embedded magnets for magnetic reed switch activation, as well as custom threads, through tubes, hooks, or other fittings. This allows the float to integrate directly with existing level measurement devices, control panels, or valve assemblies without modification.

Round float balls are available from 1-1/2 inch to 14 inch diameters, while oblong floats range from 2 x 6 inch up to 9 x 14 inch. Both shapes come in matte, brushed, or fully polished finishes, with custom sizes and shapes manufactured to match specific tank or system requirements.

Yes, all float balls can be pressure-tested using dedicated equipment to meet customer-specified pressure ratings. This ensures reliable performance in demanding environments such as vacuum tanks, steam traps, and high-pressure process vessels where float integrity is critical to safe operation.

Mechanical float switches and float balls are widely used in food processing, chemical manufacturing, wastewater treatment, and general industrial process control. They support applications including sump pumps, steam traps, vacuum tank shutoffs, and float valves across facilities handling liquids ranging from corrosive chemicals to food-grade oils.