“灯”系列:锥形（喷漆设备和其他小型电器）中型系列:扁平和锥形（通用工程和相关行业中的轻型气动工具）重型系列:扁平和锥形（重型气动工具，如采矿、采石业和土木工程中的凿岩机和类似设备）。工作压力不超过150磅/平方英寸。工艺、互换性、液压试验、材料。螺纹（B.S.P.Whitworth螺纹用于“轻”和“中”，统一用于“重”）。插图，尺寸。见BS 1782。交叉引用:英国标准21:第1BS 218BS 249BS 250BS 310BS 369BS 970BS 1083BS 1400BS 1580BS 1768BS 1782BS 2779部分

'Light' series: coned type (paint spray equipment and other small appliances). 'Medium' series: flat and coned types (light pneumatic tools in general engineering and allied industries). 'Heavy' series: flat and coned types (heavy type pneumatic tools such as rock drills and kindred equipment in the mining and quarrying industries and civil engineering). Working pressures not exceeding 150 lb/sq in. Workmanship, interchangeability, hydraulic testing, materials. Screw threads (B. S.P. Whitworth threads for 'light' and 'medium', Unified for 'heavy'). Illustrations, dimensions. See BS 1782.Cross References:BS 21:Part 1BS 218BS 249BS 250BS 310BS 369BS 970BS 1083BS 1400BS 1580BS 1768BS 1782BS 2779