Grundfos 10781933 - BM 3A-33 NBR | Submersible | Booster | High Pressure

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Submersible multistage booster pump for industrial filtration and water supply. Nominal performance: 13.2US gpm at 474.1ft. Rated 380-400-415V, 3-Phase, 50 Hz. Applications include Industrial water supply & transfer, Desalination, Municipal wells and more. Power 3HP Voltage 380-400-415V Phase 3-Phase Max Flow 13.2US gpm Max Head 474.1ft Max Pressure 1199.46psi Grundfos World's largest pump manufacturer — engineering and manufacturing in 17 countries since 1945 Industrial Grade Built and tested to IEC and NEMA standards Authorized Distributor Genuine Grundfos product — full manufacturer warranty coverage Expert Support Technical help available — call (781) 281-8905 or chat Why This Product Genuine Grundfos Part OEM component engineered and manufactured to Grundfos specifications. Maintains pump performance and warranty coverage. Full Traceability Genuine Grundfos parts carry manufacturer traceability from production through delivery. No counterfeit risk. Authorized Source PumpStop is an authorized Grundfos distributor. All parts are genuine — not aftermarket, not surplus. Confirm Compatibility Always verify part number against your pump model number and serial number before ordering. Contact PumpStop for parts identification assistance. Technical Support Available PumpStop technical team can identify correct parts from pump nameplate data, serial number, or model code. Call (781) 281-8905 or chat. Contact for Availability Parts availability varies. Contact PumpStop to confirm stock, lead time, and pricing before placing an order. Model Information — BM 3A-33 NBR Series: BM Model Code: BM 3A-33 NBR Impeller Material: Stainless steel Technical Specifications Model Number 10781933 Product Series BM Series Description Submersible Booster Module Power 3HP Voltage 380-400-415V Phase 3-Phase Frequency 50 Hz Motor Speed 2850-2860-2880rpm Full Load Current 6-6-6.3A Protection Class (IP) IP66 Nominal Flow 13.2US gpm Nominal Head 474.1ft Max Operating Pressure 1199.46psi Max Fluid Temperature 104°F Nominal Pipe Bore 42 mm Pipe Standard PJE Impeller Material Stainless steel Applications Industrial water supply & transfer Desalination Municipal wells Drinking water treatment Important Notices Electrical Verify supply voltage, phase, and frequency match nameplate before installation: 380-400-415V, 3-Phase, 50 Hz. Temperature limits Do not exceed max fluid temperature 104°F. Exceeding limits damages seals and motor insulation. Dry running Do not run dry. BM pumps use the pumped fluid to lubricate the shaft seal. Dry running destroys the seal within seconds. Install dry-run protection on all automatic installations. Maintenance Refer to the Grundfos Installation and Operating Manual (IOM) for correct installation, commissioning, and maintenance. Contact PumpStop for documentation. Documentation ✓ Installation and Operating Manual (IOM) — BM Series ✓ Product Data Sheet — BM 3A-33 NBR ✓ Service Manual and Spare Parts List Need the IOM, data sheet, or spare parts list? Contact PumpStop and we'll send it over. Before You OrderConfirm model code, voltage, phase, and frequency match your installation. For sizing help, spare parts, or documentation, call (781) 281-8905 or chat with PumpStop. Grundfos — 10781933 · BM 3A-33 NBRAuthorized Grundfos Distributor · pump-stop.com Show more