In-line repairable top entry ball valve

Abstract From the Canadian patent

Abstract of the Disclosure, An in-line repairable top entry floating ball valve having internal components that are replaceable through an access opening, closed by a valve bonnet while, the valve body is located within a flow line. The valve mechanism is provided with seats which may be of resilient nature and are sealed with respect to the spherical plug member by means of ball/seat spacers having interference sealing engagement between the plug and seats. The ball/seat spacers form sealing surfaces at one axial end for sealing engagement with the spherical plug member and sealing surfaces at the opposite axial end for sealing engagement with the seats and in spherically concentric …