Flowserve APKD - Manual (Page 42)

APKD DOUBLE-CASE, DOUBLE-SUCTION USER INSTRUCTIONS 26999903 07-13
Page 42 of 55 flowserve.com
6.9.4
Wearing ring tolerance chart for enclosed impellers
Bowl ring
internal
diameter.
Nominal
mm
(in.)
Clearance between bowl and impeller wear
rings Bowl ring
interference fit
Impeller ring
interference fit
Standard Galled
mm (in.)
50-75
(2-3)
0.330/0.229
(0.013/0.009)
0.533/0.432
(0.021/0.017)
0.101/0.050
(0.004/0.002)
0.076/0.025
(0.003/0.001)
75-100
(3-4)
0.356/0.229
(0.014/0.009)
0.635/0.483
(0.025/0.019)
0.127/0.050
(0.005/0.002)
0.101/0.025
(0.004/0.001)
100-125
(4-5)
0.381/0.279
(0.015/0.011)
0.635/0.533
(0.025/0.021)
0.152/0.076
(0.006/0.003)
0.127/0.038
(0.005/0.002)
125-150
(5-6) 0.406/0.305
(0.016/0.012)
0.660/0.559
(0.026/0.022) 0.178/0.076
(0.007/0.003) 150-180
(6-7)
0.686/0.584
(0.027/0.023)
180-200
(7-8)
0.432/0.330
(0.017/0.013)
0.711/0.610
(0.028/0.024)
0.203/0.076
(0.008/0.003)
0.152/0.051
(0.006/0.002)
200-230
(8-9)
0.457/0.356
(0.018/0.014)
0.737/0.635
(0.029/0.025)
0.254/0.102
(0.010/0.004)
0.178/0.051
(0.007/0.002)
230-255
(9-10)
0.762/0.660
(0.030/0.026)
0.229/0.051
(0.009/0.002)
255-280
(10-11)
0.788/0.686
(0.031/0.027)
0.229/0.076
(0.009/0.003)
280-305
(11-12)
0.813/0.711
(0.032/0.028) 0.280/0.102
(0.011/0.004) 305-330
(12-13)
0.508/0.356
(0.020/0.014)
0.890/0.737
(0.035/0.029)
330-355
(13-14)
0.914/0.762
(0.036/0.030)
0.305/0.102
(0.012/0.004)
0.254/0.102
(0.010/0.004)
355-380
(14-15)
0.940/0.788
(0.037/0.031)
0.305/0.127
(0.012/0.005)
380-405
(15-16) 0.559/0.406
(0.022/0.016)
0.965/0.813
(0.038/0.032)
405-430
(16-17)
0.990/0.838
(0.039/0.033)
430-455
(17-18)
0.610/0.457
(0.024/0.018)
1.010/0.864
(0.040/0.034)
455-485
(18-19)
1.041/0.889
(0.041/0.035) 0.330/0.406
(0.013/0.016)
0.279/0.127
(0.011/0.005) 485-510
(19-20)
1.070/0.914
(0.042/0.036)
510-535
(20-21)
0.660/0.508
(0.026/0.020)
1.092/0.934
(0.043/0.037)
0.356/0.152
(0.014/0.006)
0.305/0.127
(0.012/0.005)
535-560
(21-22)
1.118/0.965
(0.044/0.038)
560-585
(22-23)
1.143/0.990
(0.045/0.039)
585-610
(23-24)
1.168/1.020
(0.046/0.040)
0.381/0.179
(0.015/0.007) 0.330/0.152
(0.013/0.006) 610-635
(24-25)
1.194/1.041
(0.047/0.041)
0.406/0.179
(0.016/0.007)
635-660
(25-26)
1.220/1.066
(0.048/0.042) 0.406/0.203
(0.016/0.008)
0.356/0.179
(0.014/0.007) 660-685
(26-27)
1.244/1.092
(0.049/0.043)