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How to Maintain the Electric Butterfly Valve Daily?

Electric butterfly valve belongs to a variety of electric valve and electric regulating valve. The main connection methods of electric butterfly valve are: flange type and wafer type; the main sealing forms of electric butterfly valve are: rubber seal and metal seal. The electric butterfly valve controls the opening and closing of the butterfly valve through the power signal. This product can be used as a shut-off valve, control valve and check valve for piping systems. With a manual control device, in the event of a power failure, manual operation can be temporarily used without affecting the use.


Ⅰ. Electric butterfly valve is suitable for occasions where flow adjustment is required


Because the pressure loss of the industrial valve butterfly valve in the pipeline is relatively large, about three times that of the gate valve, when selecting the butterfly valve, the influence of the pipeline system by the pressure loss should be fully considered, and the pressure of the pipeline medium should also be considered when the butterfly plate is closed. sturdiness. In addition, the operating temperature limitations of the elastomeric seat material at elevated temperatures must also be considered. The structure length and overall height of the butterfly valve are small, the opening and closing speed is fast, and it has good fluid control characteristics. The structure principle of the butterfly valve is most suitable for making large-diameter valves. When the butterfly valve is required to be used for flow control, the most important thing is to correctly select the size and type of the butterfly valve so that it can work properly and effectively.


Ⅱ. Daily maintenance of electric butterfly valve


Washing machinery is the basic work of equipment maintenance and must be institutionalized and standardized. For the regular maintenance of equipment, work quotas and material consumption quotas should be formulated to enrich the machinery, and the assessment should be carried out according to the quotas. The regular maintenance of equipment should be included in the assessment content of the workshop contract responsibility system. Regular inspection of equipment is a planned preventive inspection in the machinery industry. In addition to human senses, the inspection means must also have certain inspection tools and instruments, which are carried out according to the periodic inspection card. Accuracy inspection should also be carried out on mechanical equipment to determine the pros and cons of the actual accuracy of the equipment.


1. The technician must understand the working condition of the electric butterfly valve that day.


2. Check whether the electric butterfly valve is corroded by the medium.


3. Check whether the electric butterfly valve has noise.


4. Check the sealing performance of the electric butterfly valve.


5. Check the electric butterfly valve for leakage.


6. Regular daily cleaning of the electric butterfly valve.


7. To ensure the sealing performance of the electric butterfly valve.


The electric butterfly valve should be checked every day, and the regular calibration of the electric butterfly valve should have different calibration cycles. Test of flow characteristics of electric butterfly valve of high efficiency filter, etc. Periodic calibration requires relevant test equipment and instruments, as well as replacement parts. Electric butterfly valves can usually be commissioned by manufacturers. Regular maintenance and predictive maintenance are maintenance before the control valve fails. Usually, the daily maintenance of the air filter electric butterfly valve is carried out by the instrument maintenance personnel, and the regular maintenance of the oil-water separator and the overhaul at the same time is carried out by the manufacturing technicians. The predictive maintenance of the sterilizing filter is based on the analysis results of the predictive maintenance, and the maintenance of the relevant regulating valve components is targeted.

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