Owner's manual

Parts Listings and Cross-Sectionals
Figure 78: Two-piece impeller
L group close-coupled parts list
Item Part name Material
100 Casing Ductile iron / Tefzel
101 Impeller assembly Carbon-filled Tefzel
101A
1
Bearing spider Standard: carbon-filled Tefzel / silicon
carbide
Optional: carbon-filled Tefzel / Dry-guard
silicon carbide
122A Stationary shaft Standard: silicon carbide
Optional: Dry-guard silicon carbide
141C Clamp ring Ductile iron
157A Bearing spacer – radial Teflon
178S
1
Key – impeller to bearings Teflon
178Y Key – motor to carrier Steel
197B
1
Bearing – radial Standard: carbon graphite
Optional: silicon carbide
Optional: Dry-guard silicon carbide
197C
1
Bearing – reverse thrust Carbon-filled Teflon
197D
1
Bearing – impeller thrust Standard: carbon-filled Teflon
Optional: silicon carbide
Optional: Dry-guard silicon carbide
203
1
Wear ring – rear Carbon-filled Teflon
222L Setscrew Steel
228 Frame – close coupled Cast iron
241 Frame foot Cast iron
351G
1
Gasket – casing drain Gylon
356A Hex capscrew – clamp ring to casing 304 SS
358 Flange – casing drain Steel
360W
1
Gasket – frame support to clamp ring Aramid fibers with EPDM
361H Retaining ring Teflon-encapsulated silicone
370B Hex capscrew – frame to clamp ring 304 SS
370F Hex capscrew – frame foot 304 SS
371 Hex capscrew – frame to motor 304 SS
408A Plug – drain Steel
412M
1
O-ring – containment shell Standard: Viton
Optional: EPDM
Optional: Teflon-encapsulated Viton
Optional: Chemraz 505
Optional: Kalrez 4079
418 Hex tap bolt – jacking 304 SS
426A Hex capscrew – casing drain 304 SS
492A Plug – access hole Steel
496G O-ring – drive magnet assembly Standard: Viton
Optional: EPDM
Optional: Teflon-encapsulated Viton
Optional: Chemraz 505
Optional: Kalrez 4079
3298 Family Installation, Operation, and Maintenance Manual 99