Globe Valve Flow Direction for Steam: Under-Seat vs Over-Seat | Vcore
Globe Valve Flow Direction for Steam Service: Under-Seat vs Over-Seat Installation Quick Summary: Globe valve flow direction affects the pressure force on the disc, opening and closing effort, seat loading and potential stem-packing exposure. Under-seat flow (flow-to-open) tends to assist disc lifting but opposes final closure; over-seat flow (flow-to-close) tends to assist seating but can […]