Patent ID: 9353873
Filing Date: 2016-05-31
CPC Classification: F16K

Claim Text:
1. A ball valve, comprising: a valve body including a first body member and a second body member, the valve body defining a valve axis and a fluid flow path; a ball element having a port and a ball stem, the ball element rotatable about a ball stem axis between an open position providing fluid flow through the fluid flow path and a closed position inhibiting flow through the fluid flow path; a body seal providing a seal between a first mating surface of the first body member and a second mating surface the second body member, and defining a thickness that decreases as the body seal extends away from the valve axis between the first mating surface and the second mating surface; and a stem seal defining a substantially frusto-conical shape and arranged in the valve body, the ball stem extending through the stem seal to form a seal between the ball stem and the stem seal and between the stem seal and the valve body.