Not universal. Pass sleeves are widely used in machinery manufacturing, such as various bearings, screws, shafts and other connecting parts, while air gun sleeves are a special sleeve mainly used for ventilation in large mechanical equipment such as factories and ships. and exhaust systems for connecting ventilation equipment of different diameters, such as fans, ducts, mufflers, etc. The application scenarios and usage functions are different. The design and manufacturing of air cannon sleeves and ordinary sleeves are also different, so they are not universal.
There are many. After checking Mitsubishi Motors air gun barrels, the sizes of small sleeves are commonly used in 8-32, and the medium sizes are commonly used in 18, 19, 21, 22, 24, 27, 30, and 32. , the large size is 27, 30, 32, 33, 34, 36, 38, 41, 46, 50, 55, 60, 65, 70.