Underground electric control flow valve
The invention provides an underground electric control flow valve which comprises a hollow motor assembly, a rotary switch sleeve, a circulation short section and an electric control flow valve body, the hollow motor assembly is fixedly connected with the circulation short section and the rotary swi...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides an underground electric control flow valve which comprises a hollow motor assembly, a rotary switch sleeve, a circulation short section and an electric control flow valve body, the hollow motor assembly is fixedly connected with the circulation short section and the rotary switch sleeve, the rotary switch sleeve is arranged on the inner side of the circulation short section, and a circulation hole is formed in the rotary switch sleeve; the number and position of the circulation holes are matched with the number and position of the communicating holes formed in the circulation short section, and the circulation short section is arranged on the electric control flow valve body. The underground electric control flow valve has the beneficial effects that the hollow motor and the speed reducer are adopted as driving parts of the underground electric control flow valve, and compared with a traditional eccentrically-installed small-diameter motor, the underground electric control flow valve ca |
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