• 发明涉及一种适用输送颗粒粉状物料的密封装配式预制

    This prefabricated chute pipe with sealedly assemblage is suitable to deliver granular or powder materials.

    youdao

  • 解决现有凸预制溜密封性问题,本发明凸缘带有凹槽以便装配中安装密封圈,提高密封性

    There is an indent on the flange of pipe body for arranging a sealing ring in it during the assemblage of pipeline in order to increase its tightness.

    youdao

  • 解决现有凸预制溜密封性问题,本发明凸缘带有凹槽以便装配中安装密封圈,提高密封性

    There is an indent on the flange of pipe body for arranging a sealing ring in it during the assemblage of pipeline in order to increase its tightness.

    youdao

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