METAL-SEALED UNFURLED VALVE AND DRIVING DEVICE THEREFOR
Disclosed are a metal-sealed unfurled valve and a driving device therefor, relating to the field of valves. The valve comprises a valve rod (1), a linear stroke driving mechanism (2), a rotation driving mechanism (3) and a double-motion switch mechanism (4), wherein a movable end of the linear strok...
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Main Authors | , , , , , , , , |
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Format | Patent |
Language | Chinese English French |
Published |
22.07.2021
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Subjects | |
Online Access | Get full text |
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