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 Goulds WS_B Series Pumps are rugged cast iron Sewage Pumps. These pumps were specifically designed for residential or light commercial usage in sewage systems and can also be used for dewatering/effluent and general water transfer applications. Constructed with a semi-open, dynamically balanced non-clog impeller with pump out vanes, this expertly engineered pump can handle waste solids up to 2” in diameter. The volute is cast iron and can easily be installed on the A10-20 guide rail or base elbow rail system. The fasteners and shaft are corrosion resistant stainless steel. These Sewage Pumps can run dry without damage to the main components but is meant to run continuously while submerged. Each pump can withstand 140° F temperatures intermittently and 104° F temperatures continuously. All models featured here are manual and come with a 20 ft. power cord. An option for a bronze impeller is also available. Goulds WS_B Sewage Pumps Series Model Comparison Chart Model Number Discharge Horsepower Voltage Phase GPM Max. Head WS0311B 2" NPT 1/3 115 1 105 18 WS0312B 2" NPT 1/3 230 1 105 18 WS0318B 2" NPT 1/3 208 1 105 18  WS0511B 2" NPT 1/2 115 1 160 25 WS0512B 2" NPT 1/2 230 1 160 25 WS0518B 2" NPT 1/2 208 1 160 25 WS0532B 2" NPT 1/2 230 3 160 25 WS0534B 2" NPT 1/2 460 3 160 25 WS0538B 2" NPT 1/2 200 3 160 25 WS0712B 2" NPT 3/4 230 1 166 30 WS0718B 2" NPT 3/4 208 1 166 30 WS0732B 2" NPT 3/4 230 3 166 30 WS0734B 2" NPT 3/4 460 3 166 30 WS0738B 2" NPT 3/4 200 3 166 30 WS1012B 2" NPT 1 230 1 185 38 WS1032B 2" NPT 1 230 3 185 38 WS1034B 2" NPT 1 460 3 185 38 WS1018B 2" NPT 1 208 1 185 38 WS1038B 2" NPT 1 200 3 185 38 Performance Curve   TECHNICAL BROCHURES Goulds WS_B Technical Brochure INSTALLATION/OPERATION MANUALS Goulds WS_B Instruction Manual PARTS LISTS  Goulds WS_B Repair Parts List SPECIFICATIONS Goulds WS_B Specifications Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, availability and shipping information. Call our toll free number 1-800-429-0800.