Inquiry (采购产品): Quote Request Existing fan we wish to have replace is a 480 volt 3 phase 1725 rpm 1 hp motor. The opening where the fan sits is 28" square i.d. and the o.d. of the curb is 36". Heigth of the housing from the top of the curb to the top of the diffuser is 28". The application this is used for is to draw coal dust out of the coal pit below. The fan sits right next to the escape tunnel ladder. A quote and availability will be much appreciated. Thanks! Mike **** Hidden Message ***** Michael Lockenour 3100 Stevenson Drive Springfield, IL 62703 USA Company: City Water, Light & Power Title: Maintenance Planner Phone: 217-757-8670 ext. 2415 E-mail: mike.lockenour@cwlp.com **** Hidden Message ***** mike.lockenour@cwlp.com