1. The Single Girder Gantry Crane main steel material shall not be less than the provisions of Q235 in GB700-88.
2. The Single Girder Gantry Crane connecting steel structures shall comply with GB1228 ~ 1231, such as high strength bolts, nuts and washers.
3. Single Girder Gantry Crane welds shall be in the form of GB985 and GB986.
4. The inspection of welds must meet the requirements of GB3323 and GB11345, must inspect by X-ray or ultrasonic.
5. Single Girder Gantry Crane Motors are used specially crane duty suitable for frequent starting, reversing and braking with ISO 9001:2000 ISO 14001:2004, enclosed in dust-proof construction foot-/flange-mounted TESC/TEFC, Sq cage motors with integrated safety brakes, insulation class F, IP54 protection for hoisting, CT and LT motions
6. Entire gear boxes are made of accurate hob cut helical/spur gears and pinions, having hardness 250 to 350BHN made from carbon alloy steel
7. Independent hydraulic brake
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