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The Goulds NPE-F series are volutes (pump ends) for the Goulds NPE series of centrifugal pumps. The frame mounted design is both versatile and compact, allowing for vertical or horizontal configurations. Each product has a stainless steel body. Motor must be purchased separately. Features The frame mounted flexible design saves space, can be mounted horizontally or vertically, and simplifies maintenance Superior, complete AISI 316L stainless steel liquid handling components and mounting bracket for corrosion resistance, quality appearance, and improved strength and durability Casing and adapter have NPT threaded centerline connections, easily accessible vent, prime and drain connections with stainless plugs Unique floating O-ring enclosed impeller design maintains maximum efficiencies High efficiency enclosed impeller with unique floating seal ring design maintains maximum efficiencies over the life of the pump without adjustment Casing and adapter features stainless steel construction with NPT threaded, centerline connections, easily accessible vent, prime and drain connections with stainless steel plugs. Optional seal face vent/flush available. Standard John Crane Type 21 with carbon versus silicon-carbide faces, Viton elastomers, and 316 stainless metal parts. Optional high temperature and chemical duty seals available. Applications Water circulation Booster service Liquid transfer Spray system Chillers Washing/cleaning systems Injection molding cooling Reverse osmosis Air scrubbers Heat exchangers Filtration systems Jockey pumps OEM applications General water services GOULDS NPE-F SERIES CENTRIFUGAL PUMPS Model Comparison Chart Model Discharge (NPT) Suction (NPT) Impeller Size HP(@3500 RPM) GPM (@3500 RPM) Max. Head (@3500 RPM) 1STFRMF4 1" 1-1/4" 4-1/16" 1/2 28 62' 1STFRMA4 1" 1-1/4" 6-1/8" 2.4 49 156' 1STFRMC4 1" 1-1/4" 5-3/16" 1.4 45 114' 1STFRME4 1" 1-1/4" 4-7/16" 0.8 40 76' 1STFRMB4 1" 1-1/4" 5-3/4" 1.9 48 136' 1STFRMD4 1" 1-1/4" 4-3/4" 1 43 95' 2STFRMB4 1-1/4" 1-1/2" 5-1/6" 2.8 130 102' 2STFRMD4 1-1/4" 1-1/2" 4-5/8" 1.9 113 81' 2STFRMG4 1-1/4" 1-1/2" 5-15/16" 4.5 144 133' 2STFRMF4 1-1/4" 1-1/2" 3-7/8" 1 80 51' 2STFRMA4 1-1/4" 1-1/2" 5-1/4" 3.3 136 111' 2STFRMC4 1-1/4" 1-1/2" 4-7/8" 2.2 122 90' 2STFRME4 1-1/4" 1-1/2" 4-1/4" 1.4 100 68' 2STFRMH4 1-1/4" 1-1/2" 5-1/2" 4.2 136 118' 3STFRMD4 1-1/2" 2" 4-1/16" 1.8 140 61' 3STFRMG4 1-1/2" 2" 5-3/8" 4.8 175 111' 3STFRMA4 1-1/2" 2" 4-3/4" 3.4 160 87' 3STFRMC4 1-1/2" 2" 4-3/8" 2.4 150 70' 3STFRME4 1-1/2" 2" 3-5/8" 1.3 120 50' 3STFRMH4 1-1/2" 2" 5" 4 176 97' 3STFRMB4 1-1/2" 2" 4-5/8" 2.9 160 79' PERFORMANCE COVERAGE DIMENSIONS MATERIALS OF CONSTRUCTION REPAIR PARTS BROCHURE Goulds NPE-F Series Centrifugal Pump Brochure TECHNICAL BROCHURE Goulds NPE-F Series Centrifugal Pump Installation Manual INSTRUCTION MANUAL Goulds NPE-F Series Centrifugal Pump Instruction Manual REPAIR PARTS Goulds NPE-F Series Centrifugal Pump Repair Parts Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.