Valve
A valve and valve operation technology, applied in valve details, valve devices, valve operation/release devices, etc., can solve problems such as fluid leakage, hazards, and manual operation of valves
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[0024] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.
[0025] Such as figure 1 as well as figure 2 As shown, the valve in this embodiment is a butterfly valve, and the butterfly valve includes a handle 1, a valve body 2, and a valve stem 3 (the valve stem can also be operated by other valves with the same or similar functions as the valve stem) Control piece), an upper indicator plate 4 and a lower indicator plate 5 sleeved on the valve stem 3, a magnetic induction reed switch 6 is embedded on the lower indicator plate 5, and a magnetic induction reed switch 6 is embedded on the upper indicator plate 4. Through the hole, the upper indicating plate 4 and the lower indicating plate 5 are butted against each other, and the distance between them is also very close. A permanent magnet 7 is provided at the lower end of the handle 1 . Wherein, t...
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