Flowserve VTP Wet Pit User Manual
Page 54
VERTICAL TURBINE PUMPS (VTPS) CENTRIFUGAL PUMPS ENGLISH 71569224
– 10-13
Page 54 of 76
flowserve.com
Wearing ring tolerance chart for enclosed impellers
6.9.4
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.)
50.8-76.2
(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)
76.2-101.6
(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)
0.102/0.025
(0.004/0.001)
101.6-127.0
(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)
127.0-152.4
(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)
0.127/0.038
(0.005/0.002)
152.4-177.8
(6-7)
0.406/0.305
(0.016/0.012)
0.686/0.584
(0.027/0.023)
0.178/0.076
(0.007/0.003)
0.127/0.038
(0.005/0.002)
177.8-203.2
(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)
203.2-228.2
(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)
228.2-254.0
(9-10)
0.457/0.356
(0.018/0.014)
0.762/0.660
(0.030/0.026)
0.254/0.102
(0.010/0.004)
0.229/0.051
(0.009/0.002)
254.0-279.4
(10-11)
0.457/0.356
(0.018/0.014)
0.788/0.686
(0.031/0.027)
0.254/0.102
(0.010/0.004)
0.229/0.076
(0.009/0.003)
279.4-304.8
(11-12)
0.457/0.356
(0.018/0.014)
0.813/0.711
(0.032/0.028)
0.280/0.102
(0.011/0.004)
0.229/0.076
(0.009/0.003)
304.8-330.2
(12-13)
0.508/0.356
(0.020/0.014)
0.890/0.737
(0.035/0.029)
0.280/0.102
(0.011/0.004)
0.229/0.076
(0.009/0.003)
330.2-355.6
(13-14)
0.508/0.356
(0.020/0.014)
0.914/0.762
(0.036/0.030)
0.305/0.102
(0.012/0.004)
0.254/0.102
(0.010/0.004)
355.6-381.0
(14-15)
0.508/0.356
(0.020/0.014)
0.940/0.788
(0.037/0.031)
0.305/0.127
(0.012/0.005)
0.254/0.102
(0.010/0.004)
381.0-406.4
(15-16)
0.559/0.406
(0.022/0.016)
0.965/0.813
(0.038/0.032)
0.305/0.127
(0.012/0.005)
0.254/0.102
(0.010/0.004)
406.4-431.8
(16-17)
0.559/0.406
(0.022/0.016)
0.990/0.838
(0.039/0.033)
0.305/0.127
(0.012/0.005)
0.254/0.102
(0.010/0.004)
431.8-457.2
(17-18)
0.610/0.457
(0.024/0.018)
1.010/0.864
(0.040/0.034)
0.305/0.127
(0.012/0.005)
0.254/0.102
(0.010/0.004)
457.2-482.6
(18-19)
0.610/0.457
(0.024/0.018)
1.041/0.889
(0.041/0.035)
0.330/0.406
(0.013/0.016)
0.279/0.127
(0.011/0.005)
482.6-508.0
(19-20)
0.610/0.457
(0.024/0.018)
1.070/0.914
(0.042/0.036)
0.330/0.406
(0.013/0.016)
0.279/0.127
(0.011/0.005)
508.0-533.4
(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)
533.4-558.8
(21-22)
0.660/0.508
(0.026/0.020)
1.118/0.965
(0.044/0.038)
0.356/0.152
(0.014/0.006)
0.304/0.127
(0.012/0.005)
558.8-584.2
(22-23)
0.660/0.508
(0.026/0.020)
1.143/0.990
(0.045/0.039)
0.356/0.152
(0.014/0.006)
0.304/0.127
(0.012/0.005)
584.2-609.6
(23-24)
0.660/0.508
(0.026/0.020)
1.168/1.020
(0.046/0.040)
0.381/0.179
(0.015/0.007)
0.330/0.152
(0.013/0.006)
609.6-635.0
(24-25)
0.660/0.508
(0.026/0.020)
1.194/1.041
(0.047/0.041)
0.406/0.179
(0.016/0.007)
0.330/0.152
(0.013/0.006)
635.0-660.4
(25-26)
0.660/0.508
(0.026/0.020)
1.220/1.066
(0.048/0.042)
0.406/0.203
(0.016/0.008)
0.356/0.179
(0.014/0.007)
660.4-685.8
(26-27)
0.660/0.508
(0.026/0.020)
1.244/1.092
(0.049/0.043)
0.406/0.203
(0.016/0.008)
0.356/0.179
(0.014/0.007)