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The Goulds 18GB/25GB/33GB Booster Pumps are portable, horizontally configured multistage pumps used for residential and agricultural washdown, misting, evaporative cooling, spray systems, general boosting service, and general pumping operations. The multistage design also allows for pumping to high heads while simultaneously operating quietly and vibration free. The Goulds GB series Booster Pumps are designed for durability and corrosion resistance. The elements of each stage are particularly tough: the impeller and diffuser are made of glass filled engineered composite material while the bowl is 300 stainless steel rabbit lock for positive alignment with no gaskets required. A high pressure o-ring sealing can easily be disassembled for easy maintenance or repair. The motor is designed for continuous operation. The primary difference between the two classes is the best efficiency GPM for each (18 GPM for the 18GB series, 25 GPM for the 25GB series, 33 GPM for the 33GB series). Goulds 18GB/25GB/33GB Series Booster Pump Model Comparison Chart Model Disch. HP Volt. Phase GPM Stages Type 18GBC07 1" NPT 3/4 115/230 1 18 5 Cast Iron 18GBC0712E0 1" NPT 3/4 230/460 3 18 5 Cast Iron 18GBC10 1" NPT 1 115/230 1 18 7 Cast Iron 18GBC0715E0 1" NPT 3/4 230/460 3 18 5 Cast Iron 18GBC0714E0 1" NPT 3/4 115/230 1 18 7 Cast Iron 18GBC1014G0 1" NPT 1 115/230 3 18 7 Cast Iron 18GBC1512J0 1" NPT 1.5 230/460 3 18 9 Cast Iron 18GBC15 1" NPT 1.5 115/230 1 18 9 Cast Iron 18GBC2012N0 1" NPT 2 230/460 3 18 13 Cast Iron 18GBC1514J0 1" NPT 1.5 115/230 1 18 9 Cast Iron 18GBC20 1" NPT 2 115/230 1 18 13 Cast Iron 18GBS0712E4 1" NPT 3/4 230/460 3 18 5 Cast Iron 18GBC2014N0 1" NPT 2 115/230 1 18 13 Cast Iron 18GBC1517J0 1" NPT 1.5 230/460 3 18 9 Cast Iron 18GBS10 1" NPT 1.5 115/230 1 18 7 Stainless Steel 18GBS1012G4 1" NPT 1 230/460 3 18 7 Stainless Steel 18GBS0715E4 1" NPT 3/4 230/460 3 18 5 Stainless Steel 18GBS0714E4 1" NPT 3/4 115/230 1 18 5 Stainless Steel 18GBS1014G4 1" NPT 1 115/230 1 18 7 Stainless Steel 18GBS1512J4 1" NPT 1.5 230/460 3 18 9 Stainless Steel 18GBC3012Q0 1" NPT 3 230/460 3 18 15 Stainless Steel 18GBS15 1" NPT 1.5 115/230 1 18 9 Stainless Steel 18GBS1514J4 1" NPT 1.5 115/230 1 18 9 Stainless Steel 18GBS2012N4 1" NPT 2 230/460 3 18 13 Stainless Steel 18GBS20 1" NPT 2 115/230 1 18 13 Stainless Steel 18GBC30 1" NPT 3 230 1 18 15 Stainless Steel 18GBS2014N4 1" NPT 2 115/230 1 18 13 Stainless Steel 18GBS1517J4 1" NPT 1.5 230/460 3 18 9 Stainless Steel 18GBC3014Q0 1" NPT 3 230 1 18 15 Stainless Steel 18GBS3012Q4 1" NPT 3 230/460 3 18 15 Stainless Steel 18GBS2017N4 1" NPT 2 230/460 3 18 13 Stainless Steel 18GBS30 1" NPT 3 230 1 18 15 Stainless Steel 18GBC3017Q0 1" NPT 3 230/460 3 18 15 Stainless Steel 18GBS3014Q4 1" NPT 3 230 1 18 15 Stainless Steel 18GBS3017Q4 1" NPT 3 230/460 1 18 15 Stainless Steel 25GBC07 1" NPT 3/4 115/230 1 25 5 Cast Iron 25GBC0712E0 1" NPT 3/4 230/460 3 25 5 Cast Iron 25GBC10 1" NPT 1 115/230 1 25 7 Cast Iron 25GBC0714E0 1" NPT 3/4 115/230 1 25 7 Cast Iron 25GBC1012G0 1" NPT 1 230/460 3 25 7 Cast Iron 25GBC0715E0 1" NPT 3/4 230/460 3 25 5 Cast Iron 25GBC1015G0 1" NPT 1 230/460 3 25 7 Cast Iron 25GBC1014G0 1" NPT 1 115/230 1 25 7 Cast Iron 25GBC1512J0 1" NPT 1.5 230/460 3 25 9 Cast Iron 25GBC15 1" NPT 1.5 115/230 1 25 9 Cast Iron 25GBC2012K0 1" NPT 2 230/460 3 25 10 Cast Iron 25GBC1514J0 1" NPT 1.5 115/230 1 25 9 Cast Iron 25GBS07 1" NPT 3/4 115/230 1 25 5 Stainless Steel 25GBC2014K0 1" NPT 2 115/230 1 25 10 Cast Iron 25GBS0712E4 1" NPT 3/4 230/460 3 25 5 Stainless Steel 25GBS10 1" NPT 1 115/230 1 25 7 Stainless Steel 25GBS0714E4 1" NPT 3/4 115/230 1 25 5 Stainless Steel 25GBS1012G4 1" NPT 1 230/460 3 25 7 Stainless Steel 25GBC1517J0 1" NPT 1.5 230/460 3 25 9 Cast Iron 25GBS0715E4 1" NPT 3/4 230/460 3 25 5 Stainless Steel 25GBS1014G4 1" NPT 1 115/230 1 25 7 Stainless Steel 25GBS1512J4 1" NPT 1.5 230/460 3 25 9 Stainless Steel 25GBC3012P0 1" NPT 3 230/460 3 25 14 Cast Iron 25GBS15 1" NPT 1.5 115/230 1 25 9 Stainless Steel 25GBC2017K0 1" NPT 2 230/460 3 25 10 Cast Iron 25GBS2012K4 1" NPT 2 230/460 3 25 10 Stainless Steel 25GBS1514J4 1" NPT 1.5 115/230 1 25 9 Stainless Steel 25GBS1017G4 1" NPT 1 230/460 3 25 7 Stainless Steel 25GBS20 1" NPT 2 115/230 1 25 10 Stainless Steel 25GBC30 1" NPT 3 230 1 25 14 Cast Iron 25GBS2014K4 1" NPT 2 115/230 1 25 10 Stainless Steel 25GBS1517J4 1" NPT 1.5 230/460 3 25 9 Stainless Steel 25GBC3014P0 1" NPT 3 230 1 25 14 Cast Iron 25GBS3012P4 1" NPT 3 230/460 3 25 14 Stainless Steel 25GBS2017K4 1" NPT 2 230/460 3 25 10 Stainless Steel 25GBS30 1" NPT 3 230 1 25 14 Stainless Steel 25GBC3017P0 1" NPT 3 230/460 3 25 14 Cast Iron 25GBS3014P4 1" NPT 3 230 1 25 14 Stainless Steel 25GBS3017P4 1" NPT 3 230/460 3 25 14 Stainless Steel 33GBC1012E0 1" NPT 1 230/460 3 33 5 Cast Iron 33GBC1512G0 1" NPT 1.5 230/460 3 33 7 Cast Iron 33GBC10 1" NPT 1 115/230 1 33 5 Cast Iron 33GBC1014E0 1" NPT 1 115/230 1 33 5 Cast Iron 33GBC15 1" NPT 1.5 115/230 1 33 7 Cast Iron 33GBC1514G0 1" NPT 1.5 115/230 1 33 7 Cast Iron 33GBC2012J0 1" NPT 2 230/460 3 33 9 Cast Iron 33GBC1017E0 1" NPT 1 230/460 3 33 5 Cast Iron 33GBC20 1" NPT 2 115/230 1 33 9 Cast Iron 33GBS1012E4 1" NPT 1 230/460 3 33 5 Stainless Steel 33GBC1517G0 1" NPT 1.5 230/460 3 33 7 Cast Iron 33GBC2014J0 1" NPT 2 115/230 1 33 9 Cast Iron 33GBS10 1" NPT 1 115/230 1 33 5 Stainless Steel 33GBS1014G4 1" NPT 1 115/230 1 33 5 Stainless Steel 33GBS1512G4 1" NPT 1.5 230/460 3 33 7 Stainless Steel 33GBC3012N0 1" NPT 3 230/460 3 33 13 Cast Iron 33GBS15 1" NPT 1.5 115/230 1 33 7 Stainless Steel 33GBC2017J0 1" NPT 2 230/460 3 33 9 Cast Iron 33GBS1514G4 1" NPT 1.5 115/230 1 33 7 Stainless Steel 33GBS1517G4 1" NPT 1.5 230/460 3 33 7 Stainless Steel 33GBS1017E4 1" NPT 1 230/460 3 33 5 Stainless Steel 33GBS2012J4 1" NPT 2 230/460 3 33 9 Stainless Steel 33GBC30 1" NPT 3 230 1 33 13 Stainless Steel 33GBS20 1" NPT 2 115/230 1 33 9 Stainless Steel 33GBS2014J4 1" NPT 2 115/230 1 33 9 Stainless Steel 33GBC3014N0 1" NPT 3 230 1 33 13 Cast Iron 33GBS3012N4 1" NPT 3 230/460 3 33 13 Stainless Steel 33GBC3017N0 1" NPT 3 230/460 3 33 13 Cast Iron 33GBS2017J4 1" NPT 2 230/460 3 33 9 Stainless Steel 33GBS30 1" NPT 3 230 1 33 13 Stainless Steel 33GBS3014N4 1" NPT 3 230 1 33 13 Stainless Steel 33GBS3017N4 1" NPT 3 230/460 3 33 13 Stainless Steel 33GBC5017U0 1" NPT 5 230/460 3 33 19 Cast Iron 33GBS5017U4 1" NPT 5 230/460 3 33 19 Stainless Steel 18GBC1012G0 1" NPT 1 230/460 3 18 7 Cast Iron 18GBC1017G0 1" NPT 1 230/460 3 18 7 Cast Iron 18GBC2017N0 1" NPT 2 230/460 3 18 13 Cast Iron 18GBS07 1" NPT 3/4 115/230 1 18 5 Stainless Steel 18GBS1017G4 1" NPT 1 230/460 3 18 7 Stainless Steel 25GBC1017G0 1" NPT 1 230/460 3 25 7 Cast Iron 25GBC20 1" NPT 2 115/230 1 25 10 Cast Iron PERFORMANCE CURVES BREAKDOWN BROCHURES Goulds GB Series Brochure MANUAL Goulds GB Series Instruction Manual SPECIFICATIONS No Specifications Sheet Available REPAIR PARTS Goulds GB Series Repair Parts List Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and 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