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Hydraulic wrench pressure and torque comparison table
source:Industry News release time:2022-04-27 Article author:yu Popular:Air band saw
Hydraulic wrench is a very important tool for the installation and removal of large-sized bolts. It is not only convenient and light to use, but also provides very accurate torque with an accuracy of up to ±3%. It is widely used in construction, maintenance and emergency repairs in ships, petrochemicals, cement, electric power, mining, metallurgy and other industries. So what is the pressure corresponding to different torque values? How do you know what the required torque value is? How to convert the pressure and torque? The following Tuart Machinery editor will talk about these issues with you.
1. If we do not know the torque value, we can calculate the required torque value according to the specification of the bolt or nut and the corresponding bolt strength (the above refers to the tightening torque value of the nut, and the loosening torque value x2 can be calculated),
2. Assuming that our bolt specification is M=48 and the grade strength is 8.8, the torque value is 3920N.m converted by the formula, then the tightening value is 3920x0.8=3136N.m. Check the DQ10 series hydraulic wrench pressure comparison table, the corresponding pump station pressure is 30MPa.
3. If the set torque is in ft.lbs, please check the inch torque comparison table in the hydraulic wrench pressure comparison table. (Hint: 1MPa=145Psi; 1Psi=0.007Mpa; 1ft.lbs=1.3549N.M)
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