A pneumatic butterfly valve consists of a butterfly valve and a pneumatic actuator. It is usually used for cutting off the media, and it can also be designed to a valve with adjusting functions. A pneumatic butterfly valve features in small sizes, light weights, simple structure and low costs.
Maintenance of pneumatic butterfly valves
Like other mechanical products, butterfly valves also need to be maintained. Good maintenance can keep performance and significantly extend the service life of the butterfly valve. Improper storage of pneumatic flange butterfly valves with hard seal is one of the important reasons for damage. The wafer butterfly valve should be kept in order. The wafer butterfly valve with small diameters should be put on the selves, while the wafer butterfly valve with large diameters can be neatly placed on the warehouse's floor. They should not be piled up and the flange's connection surface should not be in direct contact with the ground. Accidental factors such as broken handwheels, crooked valve stems, loosening and losing of nuts of handwheels and valve stems due to improper keeping or transporting should be avoided. Regularly clean the butterfly valve and maintain the integrity of valve components. If the nut of the hand wheel falls, it should be replaced with a new one. The matter can't remain unsolved. Otherwise, the upper square of the valve stem will be rounded, and the matching reliability will gradually be lost.
The professional maintenance of pneumatic butterfly valves before and after welding and putting into production plays an essential role. Correct and orderly daily maintenance can make the pneumatic butterfly valve operate normally and prolong its service life. The maintenance of pneumatic butterfly valves is as the following:
Maintenance of pneumatic butterfly valves
Like other mechanical products, butterfly valves also need to be maintained. Good maintenance can keep performance and significantly extend the service life of the butterfly valve. Improper storage of pneumatic flange butterfly valves with hard seal is one of the important reasons for damage. The wafer butterfly valve should be kept in order. The wafer butterfly valve with small diameters should be put on the selves, while the wafer butterfly valve with large diameters can be neatly placed on the warehouse's floor. They should not be piled up and the flange's connection surface should not be in direct contact with the ground. Accidental factors such as broken handwheels, crooked valve stems, loosening and losing of nuts of handwheels and valve stems due to improper keeping or transporting should be avoided. Regularly clean the butterfly valve and maintain the integrity of valve components. If the nut of the hand wheel falls, it should be replaced with a new one. The matter can't remain unsolved. Otherwise, the upper square of the valve stem will be rounded, and the matching reliability will gradually be lost.
The professional maintenance of pneumatic butterfly valves before and after welding and putting into production plays an essential role. Correct and orderly daily maintenance can make the pneumatic butterfly valve operate normally and prolong its service life. The maintenance of pneumatic butterfly valves is as the following:
2. Pneumatic butterfly valves stored for a long time should be checked regularly to remove dirt and apply anti-rust oil on the processing surface.
3. After installation, regular inspections should be performed. The main inspection items are: the wear of the sealing surface and trapezoidal thread of the valve stem and its nut, the packing and leakage testing of repaired pneumatic butterfly valves. Check whether or not the condition of the packing is good, and if it is damaged, it should be replaced in time; the leakage testing should be performed for the pneumatic butterfly valve after it is repaired and assembled.
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