Goulds Pumps 3420 - IOM - Manual (Page 108)

104
3420 IOM 8/09
CONSTRUCTION DETAILS
FEATURE
SIZE
12x14-15 16x18-17H 18x20-24 16x18-30 18x20-30 20x24-24 20x24-28 20x24-30
WEIGHT
BF Bare Pump (lbs.) 2520 5060 5650 7060 7500 7200 8650 8000
BF Upper Case (lbs.) 610 1160 1200 1300 1500 1400 1800 1700
BF Rot. Element (lbs.) 500 760 1000 1150 1450 950 1550 1550
Casing Thickness 13
16
" 13
16
" 1" 1" 1 3
16
" 1"
STUFFING BOX
Bore 5 3
8
" 5 3
8
" 6 1
4
" 7 1
2
"
Depth (To Bushing) 4 5
16
" 4 5
16
" 4 5
8
" 6 3
4
"
Packing Size 5
8
x 5
8
" 5
8
x 5
8
" 5
8
x 5
8
" 1" x 1"
No. of Rings/Box 5
Width of Lantern Ring 15
16
" 15
16
" 1 1
4
" 1 1
4
"
Shaft Sleeve O.D. 4 1
8
" 4 1
8
" 5" 5 1
2
"
SHAFT DIAMETERS
At Impeller 3.54 3.54 4 3
8
" 5 1
8
"
Under Sleeve 3.5 3.5 4 1
4
" 5"
At Coupling 2.36 2.36 3 1
4
" 3 7
8
"
BEARING (Cplg. End)
Ball 6313 6313 318S 321M
BEARING (Thrust)
Ball 7313 7313 7318PDU 7321PDU
SLEEVE (Cplg./Thrust End)
Length — — — 6"
—
6"
Bore (Approx.) — — — 4 11
16
" — 4 11
16
"
Bearing Centers(1) 48 1
2
" 48 1
2
" 49 1
2
" 55" 62" 55"
Max. Shaft HP/100 RPM 90 90 125 170 170
Max. Total Wkg. Press. 175 PSI 175 150 PSI 200 PSI 150 PSI 200 PSI
Hydrotest Press. 263 PSI 263 225 PSI 300 PSI 225 PSI 300 PSI
Max. Liq. Temp. w/o
Quench 180° F 180 180°F
Max. Liq. w/Quench
Gld. 275° F 275 275°F
FLANGES
Discharge Size 12 16 18 16 18 20 20 20
Suction Size 14 18 20 18 20 24 24 24
ANSI Rating 125 lb. 125 lb. Class 125 lb. FF
(1) Bearing centers are for standard oil lube bearing configuration.