Impeller / case wear ring diametrical clearance details for TU & AD
pumps.
Clearance in
MM
0.25 to
0.35
0.30 to
0.40
0.35 to
0.45
0.45 to
0.55
Pump
Model
3 TU 13
4 TU 14
5 TU 15
6 TU 16
8 TU 17
Clearances are for standard bronze or cast iron fitted pumps. For materials with a
tendency to gall, such as stainless steel, increase clearance approximately
0.25mm for worn case ring maximum allowable diametrical clearance add 0.76 to
the higher to tolerance limit.
E: All information contained in this manual are for reference only and are
subjected to change without prior notice
.
NOTE:
Clearance are for standard bronze or cast iron fitted pumps. For materials with a
tendency to gall, such as stainless steel, increase clearance approximately
0.25mm for worn case ring maximum allowable diametrical clearance add 0.76 to
the higher to tolerance limit
Clearance in
mm
0.38
to
0.53
0.40 to
0.55
0.43 to
0.58
0.45 to
0.81
0.48
to
0.63
0.50
to
0.66
0.50 to
0.68
Pump
Model
3 AD
15.5
4 AD 8
4 AD
9.5
4 AD
11.5
4 AD
14
1.5 AD
9
2 AD 8
2 AD
11
2.5 AD
13
3 AD 8
3 AD
10
3 AD
12
4 AD
11
4 AD
18.5
6 AD
11.5
6 AD
9.5
6 AD
16.5
6 AD
14
6 AD
8.5
6 AD
10
8 AD
17
6 AD
9.5
8 AD
11
6 AD
11
10 AD
11.5
10 AD
18.5
8 AD
13.5
