Louvered Blade Mounting Considerations - Clear Area

Published : 08/30/2016 17:18:42
Categories : Dispersion , Technical

Beyond impeller bore configurations, with the Conn styles as well as other louvered or vented styles open area in the center of the impeller must also be considered. Typically, reinforcing discs, taper plates, sandwhich the blade to stiffen the disperser disc. Due to the louver placement on the conn blade, the size of these disks, and with small sizes - the diameter of the mounting hub, must be considered.

The below table gives approximate dimensions of the CONN Blade styles IT and ITT. The Clear Diameter (yellow column) defines the diameter of a circle clear of obstruction. The clear diameter represents the largest taper plate or hub a given size impeller can handle.

CONN Blade Measurements Intensive Type (IT) and Intensive Type with Teeth (ITT)

CONN Blade StylesCONN IT BladeCONN ITT Blade
SizeClear DiameterDiameterMaterial
Thickness
DiameterMaterial
Thickness
21"2 ⅟16"0.0322⅜"0.032
31 ⅟16"3⅛"0.0623⅜"0.062
41⅜"4"0.0784⅜"0.078
51¾"5½"0.0786"0.078
62⅛"6⅝"0.0787¼"0.103
73¼"7½"0.0788"0.13
83¼"8¾"0.0789¼"0.103
93¼"10⅜"0.103
103⅜"10¾"0.10311½"0.103
114¼"11½"0.10312½"0.103
125"12½"0.10313⅝"0.135
136"13⅝"0.13514⅞"0.135
145½"14¾"0.13516"0.18
165¾"16¾"0.1818¼"0.18
187¾"19"0.1820¾"0.18
205½"20¼"0.1822"0.18
227½"22½"0.1824½"0.18
249½"24¾"0.1827"0.18
2611½"27¼"0.1829½"0.18
2813½"29½"0.1832"0.18
3015½"31½"0.1834¼"0.18
3217½"33½"0.1836"0.18
3419½"35½"0.1838"0.18
3621½"37½"0.1840"0.18
3823½"39½"0.1842"0.18
4025½"41½"0.1844"0.18
4227½"43½"0.1846"0.18
4429½"45½"0.1848"0.18

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