1. The support ring and longitudinal bars are evenly distributed, and should have satisfactory strength and rigidity, be able to withstand the gas pressure of the filter bag during filtration and cleaning, and avoid collisions and impacts during normal transportation and installation. The resulting damage and deformation.
  2. The welding points of the dust collector framework should be welded and strong, and no de-soldering is allowed. Virtual welding and missing welding.
  3. The surface of the dust collector frame and the filter bag should be smooth and bright, and no welding scars are allowed. Unevenness and glitches.
  4. The frame of the tension spring type dust collector must have a satisfactory number of turns and elasticity, and the distance after swinging must be uniform.
  5. The outer surface of the dust collector skeleton is processed and electroplated according to different needs. For spraying or painting, if it is used in high temperature, its external surface should be clear to meet the requirements of application temperature.

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