® A Gorman-Rupp Company 1750 RPM Straight Centrifugal Pumps
Pump Dimensional & Specification Data
Ship Wt. (Lbs.)
Voltage @ 60 Hz +
Full Load Amps
Model ‡ Curve HP PH Frame ENC
SUC* DIS* A**
B
C
D
E
F
G
J
L**
W**
H
428B-95
B 15 3 254JM TEFC 208-230/460 41/19
3 ◆ 4 ◆ 10.8 [27.6] 7.0 [17.8] 15.2 [38.7] 8.1 [20.8] 5.5 [14.0] 9.5 [24.1] 7.1 [18.1] 11.0 [27.9] 31.0 [78.6] 23.0 [58.4] 17.1 [43.4] 530 4 ◆ 10.0 [25.6] 6.2 [15.9] 14.7 [37.5] 7.6 [19.4] 5.0 [12.7] 8.2 [21.0] 6.4 [16.4] 10.0 [25.4] 31.3 [79.7] 21.0 [53.3] 15.6 [39.6] 365 3 ◆
428A-95
A 25 3 284JM TEFC 208-230/460 67/30
Maximum Solids Handling Capacity: 1/4" Diameter
(*) Standard NPT (Female) pipe thread. (**) This dimension may vary due to motor manufacturer's specifications. ◆ Standard 125# Flange (+) 3-Phase motors can also operate on 50 Hz. (This will change full load amps, service factor and RPM) NOTE: Dimensions are in inches (centimeters) and have a tolerance of ± 1/4". NOTE: Electric supply for ALL motors must be within ±10% of nameplate voltage rating (e.g. 230V ±10%= 207 to 253).
Standard Features
• Cast Iron Construction • Viton ® Silicon Carbide/Carbon Mechanical Seal • Silicon Bronze Precision Cast Dynamically Balanced Impeller • Bronze Case Wear Ring • 4 " x 3 " 125 Lb. 8-Bolt Flanged Suction Port & 4-Bolt Flanged Discharge Port • 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 • 1750 RPM TEFC JM NEMA Frame IE2/EPAC Energy Efficient Motors
Manufacturer of AMT & IPT Pumps 400 Spring Street • Royersford, PA 19468 USA
®
www.amtpump.com • 888-amt-pump (268-7867) The Gorman-Rupp Company reserves the right to discontinue any model or change specifications at any time without incurring any obligation. ©2012 American Machine and Tool Company. All rights reserved.
A Gorman-Rupp Company
0613 0220
STE-24
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