Outlet valve with screw hose union - has rectangular groove for sealing ring in male threaded portion

摘要

The outlet valve with screw hose union comprises a valve body with sealing ring and locknut on the inlet side. Its male screwed portion has a rectangular groove as deep as the thread root dia. accommodating a sealing ring of round or rectangular cross-section. The width of the groove is equal to the ring width of dia. plus one or more thread turn. The locknut has an annular groove accommodating and pressing the ring against the end face of the female threaded portion, while its end face also presses against this face and holds the threads tight against each other.