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7.7.3 Interchangeability of Etachrom NC and BC pump components
Components featuring the same number in a column are interchangeable.
Table 17: Interchangeability of pump components
Size
Part description
Pump casing
Intermediate piece
Discharge cover
Foot
Support foot
Shaft
Impeller
Radial ball bearing,
drive end
Radial ball bearing,
pump end
Bearing bracket
Bearing cover,
drive end
Bearing cover, pump end
Gasket
Joint ring
Joint ring
O-ring
Mechanical seal
Casing wear ring,
suction side
Casing wear ring, discharge side
Shaft sleeve
Part No.
101
132
163
182
183
210
230
321.1
321.2
330
360.1
360.2
400.1
411.1
411.2
412
433
502.1
502.2
523
25-125.1
1
✘
1*
1
1
1
1*
1
1
1
1
1
✘
1
1
1* 1*
1*
✘
✘
25-125
1
✘
1*
1
1
1
2*
1
1
1
1
1
✘
1
1
1* 1*
1*
✘
✘
25-160
○
✘
5*
2
2
1
3*
1
1
2
1
1
✘
1
1
2* 1*
1*
✘
✘
25-200
○
✘
2*
3
3
1
4*
1
1
3
1
1
✘
1
1
3* 1*
1*
1*
✘
25-250
○
1* 3*
✘
4
2
5*
1
3
4
1
3
✘
1
3
4* 2*
○
*
3*
✘
32-125.1
2
✘
1*
1
1
1
1*
1
1
1
1
1
✘
1
1
1* 1*
1*
✘
✘
32-125
2
✘
1*
1
1
1
2*
1
1
1
1
1
✘
1
1
1* 1*
1*
✘
✘
32-160
○
✘
5*
2
2
1
3*
1
1
2
1
1
✘
1
1
2* 1*
1*
✘
✘
32-200
○
✘
2*
3
3
1
4*
1
1
3
1
1
✘
1
1
3* 1*
1*
1*
✘
32-250
○
1* 3*
✘
4
2
5*
1
3
4
1
3
✘
1
3
4* 2*
○
*
3*
✘
40-125
○
✘
1*
○
1
1
○
*
1
1
1
1
1
✘
1
1
1* 1*
2*
✘
✘
40-160
○
✘
○
*
2
2
1
○
*
1
1
2
1
1
✘
1
1
2* 1*
2*
2*
✘
40-200
○
✘
2*
○
3
1
○
*
1
1
3
1
1
✘
1
1
3* 1*
2*
2*
✘
40-250
○
1* 3*
✘
4
2
○
*
1
3
4
1
3
✘
1
3
4* 2*
3*
3*
✘
50-125
○
✘
○
*
2
2
1
○
*
1
1
2
1
1
✘
1
1
2* 1*
2*
✘
✘
50-160
○
✘
○
*
○
3
1
○
*
1
1
2
1
1
✘
1
1
2* 1*
2*
2*
✘
50-200
○
○
*
○
*
✘
3
2
○
*
1
3
4
1
3
✘
1
3
5* 2*
3*
3*
✘
50-250
○
1* 3*
✘
4
2
○
*
1
3
4
1
3
✘
1
3
4* 2*
3*
3*
✘
65-200
○
1*
○
*
✘
4
2
○
*
1
3
4
1
3
✘
1
3
4* 2*
4*
○
*
✘
65-250
○
2* 4*
✘
6
3
○
*
2
2
5
2
2
1*
2
2
4* 3*
4*
4* 1
80-200
○
2* 4*
✘
5
3
○
*
2
2
5
2
2
1*
2
2
4* 3*
5*
4* 1
80-250
○
2* 4*
✘
6
3
○
*
2
2
5
2
2
1*
2
2
4* 3*
5*
4* 1
Table 18: Key to the symbols
Symbol
Description
*
Component interchangeable with Etachrom BC
○
Components differ
✘
Component not fitted
7 Servicing/Maintenance
52 of 62
Etachrom NC
Содержание Etachrom NC
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