Cut-off type power-off reset electric valve
A power failure reset, electric valve technology, applied in the direction of lift valve, valve details, valve device, etc., can solve the problems of actuator damage, equipment or system loss, large valve leakage rate, etc., to achieve small opening torque, high pressure characteristics , light weight effect
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[0020] Referring to Fig. 1, the present invention is composed of two parts, the actuator 1 and the valve body 2. The actuator 1 is installed and fixed on the valve seat 4 on the top of the valve body through the lower bracket plate 3, and the drive motor 5 of the actuator 1 is connected through the hook key. 6 is connected with the transmission nut 7, and the two ends of the transmission nut 7 are equipped with plane thrust ball bearings 31, the torque is greatly reduced, the opening is easy and labor-saving, and it can be twisted by hand, while the traditional technology is impossible to twist by hand, only by the oil pump When it is opened, the drive nut 7 cooperates with the drive screw 8 with a T-shaped thread to change the rotational motion of the drive motor 5 into the up and down motion of the drive screw 8. The drive screw is connected to the valve shaft 10 through the coupling 9, and the coupling 9 is installed There is an anti-shock shock-absorbing butterfly spring 33...
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