Cast iron foot valve (also known as a bottom valve or water pump strainer), featuring a domed, perforated strainer body and a "2′′" size marking embossed on the shell.• Function: It is a specialized one-way check valve with a built-in strainer (grate). It installs at the bottom of a water pump's suction pipe inside a well, tank, or pond.
• How it works: It allows water to flow in only one direction (up into the pump) and automatically closes to keep water from flowing backward into the source when the pump shuts off, preventing the pump from losing its prime.
• Material: Rugged cast iron, designed for durabilit