Replacement Parts

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HYDRONIC SOLUTIONS CATALOG
4280 MOTOR MOUNTED PUMPS
CLOSE COUPLED | PARTS CROSS REFERENCE
model number
b&g model 1531b armstrong model, 4280 power frames, all speeds
motor
hp and
speed
1800rpm ½ ,¾ &1 1½&2 3 5 7½ 10 15 20 25 30 40 50
3600rpm
1½ 2&3 5 7½ 10 15 20 25 30 40 50 60
frame
size
1954 rerate 182c 184c 213c 215c 254uc 256uc 284uc 286uc 324uc 326sc
1964 rerate 143jm 145jm 182jm 184jm 213jm 215jm 254jm 256jm 284jm 286jm
west coast 254tcz 256tcz 284tcz 286tcz 324tcz 326tcz
1972 rerate 254jp 256jp 284jp 286jp 324jp 326jp
pump size
b&g armstrong
1¼ab 1¼d
s s s s s - - - - - - -
1½ab 1½d
s s s s s s - - - - - -
2ab 2d
s s s s s s - - - - - -
2½a 2½d
s s s s s s m - - - - -
3a 3d
s s s - s s m m - - - -
4ab 4d
- s s s - s m m m m - -
1¼bb 1¼e
- s s s - s m m m - - -
1½bb 1½e
- s s s - s m m m m - -
2bb 2e
- s s s s - m m m m m -
2½bb 2½e
- - s s s - - - - - - -
3bb 3e
- - - s s - - - - - - -
4bb 4e
- - - s s s m - - - - -
5bb 5e
- - - - s s m m - - - -
6bb 6e
- - - - - - m m m - - -
s designation - Y" impeller bore, 1N" mechanical seal
m designation - 1N" impeller bore, 1X" mechanical seal