Corrosion resistant chemical pump in the role of the stud! !

by:J&T     2020-06-18
Stud in corrosion resistant chemical water pump is commonly used is also indispensable bolt, mainly used for casing connection, import and export and the pipe flange connection, the anchor bolt connection, etc. Stud ( 螺柱) , also known as the double thread or double end studs. Used to connect to the mechanical fixed link function, two head has a threaded stud, in the middle of the screw, coarse and fine. Especially some of the larger diameter screw bolt, also can not head, like a stud. In general, don't call & quot; Stud & quot; It's called & quot; Double end studs & quot; 。 Double end studs on both ends of the commonly used form is with screw thread, the middle is a polished rod. Bolt is commonly used in chemical water pump, mainly used in shell sealed connection. Stud is in accordance with the GB897 - GB901 standard manufacturing, material used are: Q235, 45 #, 40 cr, 35 crmoa, Q345D, specifications are: M3mm - M100mm, length can be customized according to user's requirements. High strength stud bolt, the material is 35 #, 45 #, 35 crmoa, cr2mov 25, 304, 316, 304 l, 316 l, 2 h, 2 hm, B7, B7M, B16, B8, 8, B8M, 8 m, are widely used in electric power, chemical industry, oil refining, valves, railways, Bridges, steel structure, automobile and motorcycle accessories, and other fields of typical use: the anchor bolt, or similar place, the thicker the anchor bolt connection, there is no ordinary bolts. Main USES 1, for connecting plate, and inconvenience to use hex bolt connection, such as concrete roof, roof beam suspension monorail beam suspension parts, etc. 2, used to connect body thickness, bolt length is very long, will use the stud. 3, in the main body of large equipment, need to install the accessories, such as sight glasses, mechanical seal, deceleration machine frame, etc. Use the stud at this moment, one end of the screw in the main body, installed after the attachment at the other end with nut, because the attachment is often removed, thread will wear or damage, use the stud replacement will be very convenient. In every maintenance, will be the new change of stud and a new replacement and other accessories to check check when the emphasis on stud bolt head and guiding parts, still have to strictly check whether there is any crack or dent on thread for each section, and check the stud tooth shape, whether there is a change. Pitch to have abnormal, if abnormal condition is resolute can't use anymore. At the time of installation of connecting rod cover should use the torque wrench this tool. Must be in accordance with the provisions of standard twist, the torque not too big nor too small, also pay attention to choose supporting manufacturers of stud and double end studs.
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