Patent ID: 9593782
Date: 2017-03-14
CPC Classifications: F16K,F16L,G05D,Y10T

Claim:
1. A fluid regulator, comprising: an actuator assembly; a body secured to the actuator assembly, the body defining an inlet, an outlet, and a fluid passage disposed between the inlet and the outlet and comprising a first opening formed through a first side of the body between the inlet and the outlet, a second opening formed through a second side of the body, opposite the first side, between the inlet and the outlet, and a third opening formed through a third side of the body between the inlet and the outlet; a seat insert positioned in and secured axially and radially in the fluid passage, the seat insert providing a first sealing surface a second sealing surface, opposite the first sealing surface; a stem assembly including a stem extending through the third opening and a valve disk coupled to the stem, movable between an open position and a closed position, and engaging the first sealing surface of the seat insert to prevent the flow of fluid through the fluid regulator with the valve disk in the closed position; a slam-shut device positioned at least partially within the first opening, extending into the body through the first opening, and secured to the body, the slam-shut device comprising a pad that is movable between an open position and a closed position and engages the second sealing surface of the seat insert to prevent the flow of fluid through the fluid regulator with the pad in the closed position; and a plate positioned over the second opening and secured to the body to seal the second opening; wherein the first and second openings are dimensioned such that the slam-shut device can be secured at least partially within the first opening in a first configuration and can be secured at least partially within the second opening in a second configuration.