1) a type of hydraulic bolt tensioners, can only solve several similar bolt sleeve with 3-4;
2) manufacturers have a condition it is best to first use of an electric pump with two wrenches, diagonal, you can improve efficiency, torque is more accurate, one for four costs are too high;
3) flange alignment must be someone special custody, regular maintenance, such as oil changes, cleaning and so on;
4) bolt torque standard should refer to national standards, national standards are in line with China's national conditions.
2) manufacturers have a condition it is best to first use of an electric pump with two wrenches, diagonal, you can improve efficiency, torque is more accurate, one for four costs are too high;
3) flange alignment must be someone special custody, regular maintenance, such as oil changes, cleaning and so on;
4) bolt torque standard should refer to national standards, national standards are in line with China's national conditions.
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