8.2 Close-coupled S-group (all) and M-group (2 x 3 - 8 only) —
Hastelloy-C
Cross-sectional drawing
371 492A 503
791D
178X 122A 108 370V 791E
222E
100
199
178
412A
304
222L
101
351X
540N
351
444
370
849
740B
351X
360W
740A
750
382
380
Parts list
Item
Quantity
Part name
Material
100
1
Casing
Hastelloy-C (2.4686)
101
1
Impeller
Hastelloy-C (2.4686)
108
1
Frame adapter
Ductile iron
122A*
1
Driven shaft
Hastelloy-C (2.4610)
178
1
Impeller key
Hastelloy-C
178X*
1
Driven carrier key
Hastelloy-C (2.4610)
199
1
Distance washer
Hastelloy-C (2.4610)
222E
3
Adapter-to-backplate setscrew (6 in.
pumps)
Steel
222L
2
Stub shaft-to-motor setscrew
Steel
304
1
Impeller nut
Hastelloy-C (2.4610)
351
1
Backplate-to-case gasket
Optional gasket material:
•
Aramid fiber/EPDM (standard)
•
White gylon (optional)
•
Fawn gylon (optional)
351X
2
Intermediate ring spacer
Optional spacer material:
•
TFM1600 (PTFE) (standard)
8.2 Close-coupled S-group (all) and M-group (2 x 3 - 8 only) — Hastelloy-C
80
Model 3296 EZMAG Installation, Operation, and Maintenance Manual