3”-4” Stainless Steel Self-Priming Pumps • Cast Stainless Steel Construction • Viton Mechanical Seal, O-Rings and Gaskets • Optional Silicon Carbide Seal Available • 3” or 4” Male NPT Suction/Discharge • Built-In Viton Flapper/Check Valve Permits Self-Priming up to 20’ • Stainless Steel Self-Cleaning Semi- Open Impeller • Maximum Solids Handling • 3” Models up to 1/2” • 4” Models up to 3/4” • 5 to 15 HP TEFC, Single and Three Phase Motors • Fill & Drain Plugs for Easy Servicing • Maximum Head up to 120’ TDH (52 PSI)
• Maximum Flow up to 620 GPM • Maximum Temperature 200° F
4” Stainless Steel Pump with A200-90 Optional Base
Performance of 4” Self-Priming Centrifugal Pumps
[m] [ft.*]
140 ...------------------------------ A= 620 Series 5 HP [3.73 kW] B = 620 Series 7½ HP [5.59 kW] C = 621 Series 10 HP [7.46 kW] D = 621 Series 15 HP [11.19 kW]
40
32
The AMT Stainless Steel Self-Priming Pumps are designed for a broad range of high capacity applications, including dewatering, liquid transfer, chemical transfer, circulation, and drainage applications. These units have a stainless steel casing, bracket, seal plate, removable volute, and a clog resistant semi-open impeller. Pumps are designed to handle liquids with solids contents up to ½” spherical solids for our 3” models and ¾” spherical solids for our for 4” models. Built- in check valves for fast priming are standard on all units. Fill and drain plugs for easy installation and servicing.
28 -g 24 ca 20 0 1- 16
12
8
4
0 ,....___________�__�__......,._ __ ----ii------+-...-�--........------ 0 80 160 240 320 400 480 560 640 [U.S. gpm]
0
160 [m 3 /h]
0
20
40
60
80
100
120
140
Capacity @ 3450 RPM (60 Hz) (*)Convert to psi, divide by 2.31 Liquid -Water specific gravity 1.0
6200-C00-W0 4/2/2024
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. Viton ® and Teflon ® are registered trademarks of E. I. Dupont.
®
SPE-21
A Gorman-Rupp Company
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