Size
Impeller Ring OD - mm | in. Casing Ring ID - mm | in.
Clearance - mm | in.
445.14 | 17.525
444.88 | 17.515
446.76 | 17.589
447.01 | 17.599
1.63 | 0.064
2.13 | 0.084
24x24-27
557.20 | 21.937
556.95 | 21.927
558.85 | 22.002
559.10 | 22.012
1.65 | 0.065
2.16 | 0.085
20x24-29
572.21 | 22.528
571.96 | 22.518
575.89 | 22.673
576.15 | 22.683
3.68 | 0.145
4.19 | 0.165
20x24-31
575.13 | 22.643
574.88 | 22.633
578.69 | 22.783
578.94 | 22.793
3.56 | 0.140
4.06 | 0.160
24x30-35
24x 30-35A
706.76 | 27.825
706.45 | 27.813
709.52 | 27.934
709.78 | 27.944
2.77 | 0.109
3.33 | 0.131
30x 30-41
815.19 | 32.094
814.83 | 32.080
817.93 | 32.202
818.18 | 32.212
2.74 | 0.108
3.35 | 0.132
*1
These sizes do not have impeller wear rings. The dimension shown is the impeller turn OD.
6.6 Reassembly
Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual
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