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Page 178 • Catalog 111
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oberdorfer impeller chart
RUBBER IMPELLER IDENTIFICATION CHART
CODE
IMPELLER PART NUMBER
MATERIAL
PUMP MODEL NUMBERS
SHAFT DIAMETER
WIDTH
DRIVE TYPE
A
6603
NEOPRENE (Std)
401M, 401E, 401H, 402M
5
/
8
"
2"
SQUARE KEY
8515
BUNA (Special)
403M, 404M, 405M, 406M
3
/
16
x
3
/
16
x 1
A
7441
NEOPRENE (Std)
401M-2
5
/
8
"
2"
SPLINE
7466
BUNA (Special)
B
5125
NEOPRENE (Std)
23
5
/
8
"
1
7
/
8
"
WOODRUFF KEY
8822
BUNA (Special)
#9,
3
/
16
x
3
/
4
C
7054
NEOPRENE (Std)
501M, 501E, 501H
63
/
64
"
2
1
/
2
"
SPLINE
7593
BUNA (Special)
D
8922
NEOPRENE (Std)
335
5
/
8
"
1
5
/
8
"
WOODRUFF KEY
3
/
16
x
3
/
4
E
6620
NEOPRENE (Std)
301M
5
/
8
"
1
1
/
4
"
SQUARE KEY
8647
BUNA (Special)
302M, 303M
3
/
16
x
3
/
16
x
3
/
4
F
6363
NEOPRENE (Std)
22
5
/
8
"
1
1
/
4
"
WOODRUFF KEY
7307
BUNA (Special)
220
#9,
3
/
16
x
3
/
4
F
6364
NEOPRENE (Std)
21
5
/
8
"
3
/
4
"
WOODRUFF KEY
8812
BUNA (Special)
210
#5,
1
/
8
x
5
/
8
G
6593
NEOPRENE (Std)
201M, 202M, 202M-3
1
/
2
"
7
/
8
"
D HOLE
8514
BUNA (Special)
211M, 214M
G
7482
NEOPRENE (Std)
211D
5
/
16
"
7
/
8
"
D HOLE
7483
BUNA (Special)
G
6617
NEOPRENE (Std)
201D
5
/
16
"
7
/
8
"
D HOLE
7885
BUNA (Special)