产品作用：调整洁净室内外气压之高低差，维持其需求并达到防止外界之污染空气侵入室内，亦可防止室内有害气体外泄，达到维持负压之需求所设立的压力平衡器。
型号 PD-24 PD-46带罩
标准尺寸（H*W）mm 200*400 400*600
开孔尺寸（H*W）mm 210*410 360*560
结构 本  体 钢板烤漆※不锈钢
 风压板 铝板
压力调整 0.5~2.5mmWG
处理风量 0.15~0.44m3/mim 2~5m3/mim
规格尺寸：
关键词：余压阀、压力平衡器、正压风门、释压阀、泄压阀、泄压风门、无尘室余压阀、洁净室余压阀、风阀、苏州余压阀
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