• Cast Iron Construction • Silicon Bronze Precision Cast Dynamically Balanced Impeller • V iton ® Silicon Carbide/Carbon Mechanical Seal • Bronze Case Wear Ring • 3˝ x 2˝ 125 Lb. 4-Bolt Flanged Ports • Pull-From-Rear Design Permits Easy Servicing Without Disturbing Piping • 1/4˝ NPT Gauge Taps on Suction & Discharge Ports For System Monitoring • Bronze Shaft Sleeve to Protect Motor Shaft • Maximum Casing Pressure 175 PSI • Maximum Temperature 200° F • Includes Seal Flush/Air Relief Valve • Front Drain Plugs • TEFC JM NEMA Frame IE2/EPAC Energy Efficient Motors 1750 RPM Straight Centrifugal Pumps
Model 4272-95
Performance of 3" × 2" Straight Centrifugal Pumps
[m] [ft.*]
120
240
70
A = 427 1 -95, B = 427 2 -95,
25 HP [18.64 kW] 15 HP [11.19 kW]
110
The AMT Cast Iron 1750 RPM Solids Handling End Suction Centrifugal pump delivers performance that minimizes operation and energy costs. Built to last, each pump features a precision cast bronze impeller that is dynamically balanced to minimize vibration and maximize motor bearing life. Pull-from-rear design simplifies maintenance without disturbing piping connection. Gauge taps at the suction and discharge ports allow for system monitoring. Maximum 1/4" diameter solids handling and optional seal flush/air relief valve is available for vertical installations. Pumps require a flooded suction and positive suction pressure.
100
200
60
90
A
50
80
160
0 7
40
60
120
B
50
30
[ft.*] [m]
40
80
10 12
20
30
0 2 4 6 8
NPSHr 427A-95
20
40
10
10
NPSHr 427B-95
0
0
0
0
100 200 300 400 500 600 700 800
[U.S. gpm] [m 3 /h]
0
0 Hz) Capacity @ 1750 RPM (6 divide by 2.31 Liquid - Water specific gravity 1.0 (*)Convert to psi, 20 40 60 80 100 120 140 160 180
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-21
Viton ® and Teflon ® are registered trademarks of E. I. Dupont.
A Gorman-Rupp Company
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