These reference numbers identify a part's position on the series diagram — the exact part fitted differs by model. To order, provide the reference number together with the model name and the serial number stamped on the nameplate.
Assembly Group 1
Volute casing
102
Casing cover
161
Pump stool
181
Shaft
210
Impeller (ILN Series)
230
Rolling element bearing
320
Radial ball bearing
321
Drive lantern
341
Bearing cover (ILN Series)
360
Joint ring
411.1/.2
O-ring
412
Mechanical seal
433
Casing wear ring (ILN Series)
502.1/.2
Thrower
507
Spacer bush
543
Washer
550
Pressure Gauge
691
Pipe
710.1/.2
Pipe union
731.1/.2/.3
Coupling
840
Coupling part
860
Hexagon head bolt
901.1/.2/.3
Hexagon socket head cap screw
914
Plug
916.1/.2
Impeller nut
922
Circlip
932.1/.2
Key
940.1/.2
Assembly Group 2
Volute casing
102
Casing cover
161
Pump stool
181
Shaft
210
Impeller (ILN Series)
230
Rolling element bearing
320
Radial ball bearing
321
Drive lantern
341
Bearing housing
350
Bearing cover (ILN Series)
360
Joint ring
411.1/.2
O-ring
412
Mechanical seal
433
Casing wear ring (ILN Series)
502.1/.2
Thrower
507
Spacer bush
543
Washer
550
Pressure Gauge
691
Pipe
710.1/.2
Pipe union
731.1/.2/.3
Coupling
840
Coupling part
860
Hexagon head bolt
901.1/.2/.3/.4
Hexagon socket head cap screw
914
Plug
916.1/.2
Impeller nut
922
Circlip
932.1/.2
Key
940.1/.2
Assembly Group 3
Volute casing
102
Casing cover
161.1/.2/.3
Pump stool
181.1/.2
Shaft
210
Impeller (ILN Series)
230
Radial ball bearing
321
Drive lantern
341
Bearing cover (ILN Series)
360.1/.2
Joint ring
411.1
O-ring
412.1/.2/.3
Mechanical seal
433
Casing wear ring (ILN Series)
502.1/.2
Thrower
507
Shaft sleeve
523
Bearing bush
545.1/.2
Washer
550.1/.2/.3
Pressure Gauge
691
Pipe
710.1/.2
Pipe union
731.1/.2/.3
Coupling
840
Coupling part
860
Hexagon head bolt
901.1/.2/.3/.4
Stud
902
Hexagon socket head cap screw
914.1/.2
Plug
916.1
Nut
920
Impeller nut
922
Circlip
932.1/.2
Key
940.1/.2
Spring
950
Assembly Group 4
Volute casing
102
Casing cover
161
Pump stool
181
Shaft
210
Impeller (ILN Series)
230
Rolling element bearing
320
Radial ball bearing
321
Drive lantern
341
Bearing cover (ILN Series)
360
Joint ring
411.1/.2
O-ring
412
Mechanical seal
433
Casing wear ring (ILN Series)
502.1/.2
Thrower
507
Washer
550
Pipe
710.2
Barrel nipple
73-4
Pipe union
731.2
Hexagon head bolt
901.1/.2/.3
Grub screw
904
Plug
916.1/.2
Impeller nut
922
Circlip
932.1/.2
Key
940
Assembly Group 5
Volute casing
102
Casing cover
161
Pump stool
181
Shaft
210
Impeller (ILN Series)
230
Radial ball bearing
321
Drive lantern
341
Bearing housing
350
Joint ring
411.1/.2
O-ring
412
Mechanical seal
433
Casing wear ring (ILN Series)
502.1/.2
Thrower
507
Washer
550
Pipe
710.2
Pipe union
731.2
Hexagon head bolt
901.1/.2/.3/.4
Grub screw
904
Plug
916.1/.2
Impeller nut
922
Circlip
932.1/.2
Key
940
Assembly Group 6
Volute casing
102
Casing cover
161
Shaft
210
Impeller (ILN Series)
230
Radial ball bearing
321
Bearing bracket (ILN Series)
330
Drive lantern
341
Bearing cover (ILN Series)
360
Gasket
400.1/.2
Joint ring
411.1/.2
Mechanical seal
433
Ring
500.1/.2
Casing wear ring (ILN Series)
502.1/.2
Washer
550
Coupling guard
681
Pressure Gauge
691
Pipe
710.1
Pipe union
731.1/.2/.3
Coupling part
860
Hexagon head bolt
901.1/.2/.3
Stud
902.2/.3
Threaded Plug
903.1
Nut
920.2/.3
Impeller nut
922
Key
940.1/.2
Assembly Group 7
Volute casing
102
Casing cover
161
Shaft
210
Impeller (ILN Series)
230
Rolling element bearing
320
Radial ball bearing
321
Bearing bracket (ILN Series)
330
Drive lantern
341
Bearing cover (ILN Series)
360
Gasket
400.1
Joint ring
411.1
Joint ring
411.2
Mechanical seal
433
Casing wear ring (ILN Series)
502.1
Casing wear ring (ILN Series)
502.2
Thrower
507
Coupling guard
681
Pressure Gauge
691
Pipe
710.1
Pipe union
710.1/.2/.3
Coupling
840
Coupling part
860
Hexagon head bolt
901.1/.3/.4
Stud
902.2/.3
Threaded Plug
903.1/.2