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fire resisting check damper vapor exhaust check fire damper ≥st2 construction environment rolled ring jb/t polystyrene scopethis part
XF/T 798-2008 in English

XF/T 798-2008 in English

VALID

Vapor exhaust & fire resisting check damper

  • Issued on:2008-08-29
  • Implemented on:2008-10-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $250.00
$243.00

本标准规定了排油烟气防火止回阀的术语和定义、分类、代号与型号标记、材料和结构、要求、试验方法、检验规则、标志、包装、储运、使用说明书和贮存等。
本标准适用于建筑内厨房排油烟集中管道和卫生间排风共用管道上设置的止回阀。


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