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A one-piece body of a ball valve 2012-01-18
It is an object of the present invention to provide a ball valve, having a one-piece body and a valve member of composite construction, which is free from the above noted disadvantage and in which the
Floating ball valve 2012-01-16
Floating ball valves include a spherical ball valve member mounted within a valve chamber of the valve body for limited floating movement between upstream and downstream seats on opposed sides of the
The valve ball "floats" in the sense 2012-01-13
Ball valves and is especially advantageous in ball valves in which the valve ball "floats" in the sense that it is subject to displacement by the force of differential fluid pressure on the ball. The
The ball of valve 2012-01-12
Ball valves are already known in the prior art. The known ball valves comprise of valve body, a stem, a ball, seats, a pair of seat carriers, connecting sleeves and union nuts. The valve body has a cy
A valve seat retainer 2012-01-11
According to one aspect of the present invention, in an upstream fluid passageway of a valve housing there is fitted a valve seat retainer movable forwardly and backwardly within a given distance alon
The ball carrier 2012-01-09
The present invention makes it possible to fix the ball carrier to the valve body without hindering insertion of the ball, by providing projections on the inner wall surface of the valve body. In part
A novel ball valve for controlling the flow 2012-01-05
In prior known ball valves, the valving means firmly engages valve seats at both the inlet and outlet ports and is in pressure contact therewith. Accordingly, relatively high torques are required for
Ball valves used in mobile equipment 2012-01-04
Ball valves have a small space requirement for a given flow cross-section and are therefore widely used in particular in mobile equipment. Thus, ball valves are widespread as shutoff members in fire-f
