PERFECTED BALL VALVE, THREE OR FOUR WAYS.

摘要

P Ball valve, three or four ways, constituted by a valve body (1) with a single opening (3) threaded at (5), allowing the fixing by screwing of a sleeve (7), the other housings of the tracks (15, 19 and 21) being obtained in the body of the valve (1), and the housing (17) being obtained in the sleeve (7); the elements constituting the valve, such as the seals (9) in teflon, or in any other suitable material, the spherical obturator (11) and the control rod (13) fitting into said valve through a single opening (3). A ring (25) crimped on the control rod (13) makes it possible to fix the rod on the spot, the ring (25) being obtained by the rod housing (23) of the valve body (1). BR/ Therefore, the valve of the invention consists only of two elements only: the valve body (1) and the threaded sleeve (7), upstream of the shutter (11). BR/ The introduction of the control rod (13) can also take place from the outside; in this case the valve housing (23) is provided with an appropriate shoulder (37), placed inside said housing (23). /P