DW144漏风量和国内标准的漏风量对比

Table1DuctworkClassificationandAirLeakageLimits（标准DW14414页）DuctpressureclassStaticpressurelimitMaximumairDuctpressureclassvelocity（m/s）AirleakagelimitslitrespersecondpersquaremetreofductsurfaceareaPositive（Pa）Negative（Pa）Low-pressure–ClassA500500100.027xp0.65Medium-pressure–ClassB1000750200.009xp0.65High-pressure–ClassC200750400.003xp0.65中华人民共和国行业标准通风管道施工技术规程（51页）JGJ141-2004J363-2004表5.2.10-3圆形风管允许漏风量压力(Pa)允许漏风量[m3/（h.m2）低压系统风管（P≤500Pa）≤0.0528p0.65中压系统风管（500＜P≤1500Pa）≤0.0176p0.65高压系统风管（1500＜P≤3000Pa）≤0.0117p0.65