Value of the inlet static pressure at which the disc re-establishes contact with the seat or at which the lift becomes zero.
Reseating pressure describes the value of the static pressure on the inlet side, at which the valve pallet Clapet Valve pallet is the generic term for the assembly that rests on the valve seat. touches the valve seat Siège de soupape The valve seat is a component on which the valve pallet rests when the valve is closed. again or at which the lift Course Lift is the actual travel of the valve pallet from the main valve out of the closed position. is zero during the closing cycle.
Source: ISO 4126 - 3.8