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HomeMy WebLinkAboutLE74M3-2 LIFT STATION V1PS @ Sewage Pumps 314 hp 2" Solids -Handling =p&w. zs: Rugged 2 vane, semi -open cast iron impellers Cast iron housings and volute with all stainless and brass fasteners 416 stainless steel rotor shaft Oil -filled, hermetically sealed motors • Built-in thermal protection on single phase models 2" or 3" flanged discharge Permanently lubricated upper and lower ball bearings Unitized shaft seals Single float mechanical level control with series plug for manual bypass operation - standard on single-phase automatic models Adjustable pumping range Quick -disconnect 10' standard power cord allows replacement of cord in seconds without breaking seals to motor (25' and 35' length optional) `(E IDI� IA\ ,- omsERiEs APPROVED DATE: 08/01/22 �LS: 3/4 HP, 1725 RPM FILE NUMBER - The pump(s) shall be model as manufactured by Liberty Pumps, Bergen, N.Y. or equal. The pump(s) shall have a capacity of GPM at a total dynamic head of feet. Motor size shall be 3/4 horsepower, phase, 60 hz. and volt operation. MOTOR TECHNICAL SPECIFICATIONS The pump motor shall be of the submersible type, oil filled, and hermetically sealed. Single phase motors shall have thermal overload protection embedded in the windings, and shall automatically reset when motor cools. Three- phase motors shall have overloads incorporated into the control panel, properly sized for the horsepower and amperage of the pump(s). The rotor shaft shall be made of 17-4 PH stainless steel and shall be supported by upper and lower ball bearings. IMPELLER The power cord shall be of the quick -disconnect design. The pump impeller shall be cast iron, 2 vane, semi -open, and shall be capable of passing a 2" spherical solid. SEAL The shaft seal shall be of the carbon/ceramic unitized design, with BUNA N elastomers and stainless housings. EXTERNAL CONSTRUCTION The pump volute, legs and motor housing shall be heavy gray iron castings, class 25 or better. All castings shall be powder coated before assembly. All fasteners shall be of 300-series stainless steel. LEVEL CONTROL The pump shall be controlled by an adjustable mechanical switch sealed in a PVC float, and shall have a series plug for manual bypass operation. MODELS VOLTS PHASE AMPS DISCHARGE AUTOMATIC SINGLE PHASE LE71 M2 115 1 12 2" FLANGED NO LE71A2 115 1 12 2" FLANGED YES LE72M2 208-230 1 6 2" FLANGED NO LE72A2 208-230 1 6 2" FLANGED YES LE71 M3 115 1 12 3" FLANGED NO LE71A3 115 1 12 3" FLANGED YES LE72M3 208-230 1 6 3" FLANGED NO LE72A3 208-230 1 6 3" FLANGED YES 3-PHASE LE73M2-2 208-230 3 4.1 2" FLANGED NO LE74M2-2 440-480 3 2.1 2" FLANGED NO LE73M3-2 208-230 3 4.1 3" FLANGED NO LE74M3-2 440-480 3 2.1 3" FLANGED NO 10' cord standard on single phase models. For 25' cord option, add a "-2" suffix to model number. Example: LE71A2-2 For 35' cord option, add a "-3" suffix to model number. Example: LE71A2-3. NOTE: 3-Phase models require panel for automatic operation. See sewage accessories literature for complete information on all simplex and duplex controls. DIMENSIONAL DATA: Weight: LE71 M: 62 LBS. Height: 18.9" Major Width: 12.5" Maximum fluid temperature 140° F. Dual Safety certification for the United States and Canada. SSPAn MEMEEX �Ce��"� C US Specifications are subject to change without notice. PERFORMANCE CURVE 60HZ 30 28 24 N 20 c 16 t 8 4 0 Liters Per Minute 1725 RPM 76 151 227 302 378 454 528 604 20 40 60 80 100 120 U.S. Gallons Per Minute 8 0 w 6 x m v Q. 4 D N 2 0 140 160 Liberty Pumps • 7000 Apple Tree Avenue • Bergen, New York 14416 • Phone 800-543-2550 Fax (585) 494-1839 www.libertypumps.com Copyright © Liberty Pumps, Inc. 2013 All rights reserved. LLIT 1700 R10/13