(王经理,186的号,中间是316,后面44428http://tiebapic.baidu.com/forum/w%3D580%3B/sign=0fba0c922edbb6fd255be52e391faa18/8326cffc1e178a82e761c7c9e103738da977e87e.jpg特性:碳钢阀体(VCP2731B), RAL 7001上漆或304不锈钢阀体 (VCP2732B)*不锈钢的防腐蚀护罩*阀体直径= 273mm (10 in); 356mm (14 in)*zui大空气容积13,000m3/h (7,650 cfm)