® 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
427A-95 427B-95
A 25 3 284JM TEFC 208-230/460 67/30 B 15 3 254JM TEFC 208-230/460 41/19
2 ◆ 3 ◆ 10.8 [27.6] 7.0 [17.8] 14.5 [36.8] 8.7 [22.2] 4.5 [11.4] 9.5 [24.1] 8.0 [20.3] 11.0 [27.9] 31.7 [80.6] 23.0 [58.4] 17.0 [43.1] 525 3 ◆ 10.0 [25.6] 6.2 [15.9] 14.0 [35.6] 7.6 [19.4] 4.5 [11.4] 8.2 [21.0] 6.5 [16.5] 10.0 [25.4] 30.5 [77.6] 21.0 [53.3] 15.6 [39.6] 345 2 ◆
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 • 3 " x 2 " 125 Lb. 4-Bolt Flanged Ports • 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-22
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