... /h, Speed:870~3500r/min, Pressure:490~1800Pa, Shipbuilding temporary supply fan for shipyard use Draft fan:Weight:25~352kg,Volume ... motor side, the vane wheel rotates clockwise and indicated as R.The outlet position of ventilator, according to the rotating direction ... ,Jiushui Road,Licang District,Qingdao,Shandong province,China Shipbuilding temporary supply fan