Goulds Pumps 3620 - IOM - Manual (Page 91)

Parts Listings and Cross-Sectionals
Item Part name Quantity Construction - API designation
per pump
S-4 S-5 S-6 S-8 C-6 A-8 D-1
388K Socket head capscrew, 4 Carbon steel 316 SS
jacket - inner 4
400 Coupling key 1 Carbon steel
443B Thrust collar 1 Carbon steel
490/ Cover, water jacket 1 Carbon steel 304 SS
490A
520 Shaft nut 1 Carbon steel
1 Hardface with Colmonoy #6
2 ASTM A890 Grade 3A Duplex material will be supplied unless otherwise specified.
3 Standard material is 4140 steel. API requires material be upgraded on boiler feed service or when operating temperature
exceeds 350°F (180°C). ITT standard material will be 17-4PH (ASTM A564 Gr630) in lieu of the API recommended 12% chrome
steel.
4 Provided only with seal chamber cooling.
Table 5: Parts list with materials of construction for ball bearing arrangement
The materials in this table are typical. Refer to the order documentation for the actual materials furnished.
Item Part name Quantity Construction - API designation
per pump
S-4 S-5 S-6 S-8 C-6 A-8 D-1
100 Casing 1 Carbon steel 12% 316L SS Duplex 2
chrome
101 Impeller 1 Carbon steel 12% 316L SS 12% 316L SS Duplex 2
chrome chrome
109A Thrust bearing end cover, 1 Carbon steel
outboard
112A Ball bearing, thrust 1 pair Steel
114 Oil ring, thrust bearing 1 Brass
122 Shaft 1 4140 4140 3 Nitronic 50 17-4PH Nitronic 50 Duplex
124 Impeller nut, radial end 1 410 SS hardened H.F. 316L 410 SS H.F. 316L H.F. du-
SS 1 hardened SS 1 plex 1
125 Throat bushings 2 410 SS hardened H.F. 316L 410 SS H.F. 316L H.F. du-
SS 1 hardened SS 1 plex 1
129 Throttle bushing 1 Cast 410 SS hardened H.F. 316L 410 SS H.F. 316L H.F. du-
iron SS 1 hardened SS 1 plex 1
130 Impeller nut, thrust end 1 410 SS hardened H.F. 316L 410 SS H.F. 316L H.F. du-
SS 1 hardened SS 1 plex 1
134 Housing, bearing - radial 2 Carbon steel
and thrust
136/382 Bearing locknut and lock- 1 Steel
washer
142 Wear rings, impeller 2 Cast 410 SS hardened H.F. 316L 410 SS H.F. 316L H.F. du-
iron SS 1 hardened SS 1 plex 1
160 Bearing end cover, radial 3 Carbon steel
(inboard and outboard)
and thrust (inboard)
164 Wear rings, casing 2 Cast 410 SS hardened H.F. 316L 410 SS H.F. 316L H.F. du-
iron SS 1 SS 1 plex 1
168 Bearing, radial 1 Steel
178 Key, impeller 1 303 SS 410 SS 303 SS Duplex
184 Head 1 Carbon steel 12% 316L SS Duplex 2
chrome
324 Oil ring sleeve - radial end 1 Carbon steel
332A Labyrinth seal, radial out- 1 Bronze
board
333A Labyrinth seal, radial and 2 Bronze
thrust inboard
351 Gasket, casing 1 Spiral wound stainless steel Spiral
wound du-
plex
351C Gasket, head - inner 1 Spiral wound stainless steel Spiral
wound du-
plex
Model 3620, API Type BB2 Single Stage / ISO 13709 1st/2nd Ed. / API 610 8th-11th Ed. Installation, Operation, and 89
Maintenance Manual