流量m3/h 管径参考流速m/s管径(英寸)管径(公制) 1DN250.566125英制尺寸:1/4英寸即6.35mm , 2-4DN400.442-0.8841 1/4325-7DN500.707-0.991 1/240英制尺寸:3/8英寸即9.525mm , 8-17DN700.577-1.22725018-26DN800.995-1.4372 1/270英制尺寸:1/2英寸即1 27-44DN1000.955-1.55638045-79D133*41.019-1.7884"100英制尺寸:5/8英寸即15.875mm, 80-128D159*51.274-2.0396" 150 129-299D219*61.065-2.468英制尺寸:3/4英寸即19.05mm, 300-538D273*71.582-2.837539-855D325*81.997-3.167英制尺寸:7/8英寸即22.225mm
856-1284 D377*8 2.323-3.485