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產品作用：調整潔凈室內外氣壓之高低差，維持其需求并達到防止外界之污染空氣侵入室內，亦可防止室內有害氣體外泄，達到維持負壓之需求所設立的壓力平衡器。
型號 PD-24 PD-46帶罩
標準尺寸（H*W）mm 200*400 400*600
開孔尺寸（H*W）mm 210*410 360*560
結構 本  體 鋼板烤漆※不銹鋼
 風壓板 鋁板
壓力調整 0.5~2.5mmWG
處理風量 0.15~0.44m3/mim 2~5m3/mim
規格尺寸：
關鍵詞：余壓閥、壓力平衡器、正壓風門、釋壓閥、泄壓閥、泄壓風門、無塵室余壓閥、潔凈室余壓閥、風閥、蘇州余壓閥
Product name: Pressure balancer
Product function: Adjust the differential pressure inside and outside the cleanroom to meet its demand and prevent the air pollution into the cleanroom, also can prevent indoor harmful gas leaked out. In a word, to maintenance the demand of negative pressure.
Specification and Size:
Model PD-24 PD-46 With Cap
Standard Size (H*W) mm 200*400 400*600
Hole Size (H*W) mm 210*410 360*560
Structure Whole body Steel plate baking finish & Stainless steel
 Pressing plate Aluminium sheet
Pressure adjustment 0.5~2.5mmWG
Air volume 0.15~0.44m3/mim 2~5m3/mim