A gate valve is the wrong valve for a main shutoff.
It fails because the lowest edge of the triangular piece -that stops the flow by wedging into body of the valve- slowly gets worn away by water flowing past.
At least that's how it was explained to me. shrug
It fails because the lowest edge of the triangular piece -that stops the flow by wedging into body of the valve- slowly gets worn away by water flowing past.
At least that's how it was explained to me. shrug