Heavy Duty Centrifugal Pumps
• Available in: 300 Series Investment Cast Stainless Steel, Cast Bronze and Cast Iron Construction with Stainless Steel Impeller • Buna-N Mechanical Seal and O-Ring on Cast Iron Models • Viton ® Mechanical Seal and O-Ring on Stainless Steel and Bronze Models • Optional Silicon Carbide Seals Available • Front Drain Plugs Located 90° Apart • Maximum Head 194 Feet (84 PSI) • Maximum Flow 500 GPM • 2 HP to 15 HP NEMA Motors, Single and Three Phase • Optional Mounting Base Available • Solids Handling and Dirty Water Design AMT Heavy Duty Solids Handling Centrifugal pumps are suited for liquid and chemical transfer, recirculation, booster service, dirty water and other industrial applications. Stainless steel units are especially effective in applications where rust and/ or corrosion can develop in systems. Pumps are designed to handle liquids with solids content or dissolved solids and debris. Semi-open impeller features self-cleaning ability that makes the unit useful in applications involving up to 1/4” diameter solids and muddy or dirty liquids. Discharge position can be adjusted in 90° increments with vent and drain plugs for all positions. Type 21 mechanical seal and O-ring casing seal. Pumps are not self-priming and require flooded suction.
High Head Pump
High Flow Pump
Performance of Heavy Duty Straight Centrifugal Pumps
200 60 [m] [ft.*]
100 110 120 130 140 150 160 170 180 190 200
High Head Models: F = 4240 Series 2"×1½" 7½ HP [5.59 kW] HP [7.46 kW] G = 4250 Series 3"×2" 10 H = 4251 Series 3"×2" 15 HP [11.19 kW]
180
H
50
160
140
40
G
120
100
30
0 10 20 30 40 50 60 70 80 90
F
80
20
60
NPSHr [ft.*] [m]
40
10
0 4 8
0 2
NPSHr (F)
NPSHr (G, H)
0
0
[U.S. gpm]
0 40 80 120 160 200 240 280 320 360 400 440
[m 3 /h]
0 102030405060708090 @ 3450 RPM (60 Hz) Capacity vert to psi, divide by 2.31 Liquid - Water specific gravity 1.0 (*)Con
[m] [ft.*]
140
100 110 120 130 140 150 160 170 180 190 200 210
High Flow Models: ries 2"×1½" 2 HP [1.49 kW] A = 315x Se B = 315x Series 2"×1½" 3 HP [2.24 kW] eries 2"×1½" 5 HP [3.73 kW] C = 315x S D = 4260 Series 3"×3" 7½ HP [5.59 kW] Series 3"×3" 10 HP [7.46 kW] E = 4261
40
120
36
32
100
E D
28
80
24
C
20
60
0 10 20 30 40 50 60 70 80 90
16
B
NPSHr [ft.*] [m]
40
12
A
0 4 8 12
8
NPSHr (A, B, C)
20
4
NPSHr (D, E)
0
0
0
60 120
180 240 300 360 420 480 540
[U.S. gpm]
0 10 20 30 40 50 60 70 80 90 100 110 120 Capacity @ 3450 RPM (60 Hz) .31 Liquid - Water specific gravity 1.0 (*)Convert to psi, divide by 2
[m 3 /h]
400 Spring Street • Royersford, PA 19468 USA www.amtpump.com • 888-amt-pump (268-7867) For use with nonflammable liquids compatible with pump component materials.
®
STE-15
Viton ® and Teflon ® are registered trademarks of E. I. Dupont.
A Gorman-Rupp Company
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