Valve assembly with integral seat

摘要

A valve seat apparatus comprised of a plastic material of sufficient mechanical rigidity for stable attachment to a stem assembly and acts as a carrier to transmit an actuating force within a valve body while possessing the resiliency required to provide a sealing surface and combines such sealing surface and carrier portion into a contiguous unit wherein interaction between the aforementioned valve seat apparatus and the corresponding sealing member within the valve body control the flow of fluid and fluid pressure.