| 主权项 |
1. A valve having a rotary flow blocking system having a mechanism to regulate the opening of the rotary flow blocking system, said valve having a rotary flow blocking system comprising: a first valve section and a second valve section valve, each including a central bore; an inner surface and an outer surface; and one or more flow passages surrounding the central bore; the outer end of each valve section including means for connecting to a pipe; a rotary dosing body located between the first and second valve sections, including: a peripheral surface; a central bore; and one or more fluid passages surrounding the central perforation to regulate or interrupt the flow of fluid, said flow passages coinciding with the flow passages of the first and second valve sections; a shaft passing through the central bore of the first valve section; wherein the valve having a rotary flow blocking system having a mechanism to regulate the opening of the rotary flow blocking system is characterized by comprising:
means for rotating the rotary dosing body located between the first valve section and the second valve section, said means for rotating the rotary dosing body comprising a rotating element that having a tractive surface that cooperates with the peripheral surface of the rotary dosing body, such that when the rotating member rotates, it rotates the rotary dosing body. |
