Grundfos 99106103 - MTR 64-8/3-2 A-G-A-HUUV
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Vertical multistage pump for tank top mounting. For machine tool coolant, deionized water, and process liquid applications. Nominal performance: 339US gpm at 249.4ft. Rated 208-230DD/460DV, 3.0-Phase, 60 Hz. Power 30HP Voltage 208-230DD/460DV Phase 3.0-Phase Max Flow 339US gpm Max Head 249.4ft Max Pressure 362.59psi Grundfos World's largest pump manufacturer — engineering and manufacturing in 17 countries since 1945 Industrial Grade NEMA Premium / IE3 60Hz motor — reduces operating cost over service life Authorized Distributor Genuine Grundfos product — full manufacturer warranty coverage Expert Support Technical help available — call (781) 281-8905 or chat Why This Product Tank Top Installation MTR installs directly on the tank lid — no pipe supports, no baseplate, no inline piping modifications. Ready to run in the space the tank already occupies. Stainless Steel Throughout All wetted parts in stainless steel. No corrosion from coolants, deionized water, cutting fluids, or mild process chemicals. Multistage for High Head in Small Diameter Multiple stages in a 4" or 6" diameter column provide the head of a much larger pump. Ideal where vertical space exists but floor space is limited. Wide Flow and Head Range MTR series covers 0.5 to 16 m³/h flow and up to 235 m head. Confirms correct model for your system requirements. MTRE Variable Speed Option MTRE adds an integrated frequency converter for constant pressure control. Same tank top installation, no external VFD required. Genuine Grundfos Parts Available As an authorized Grundfos distributor, PumpStop stocks and can source MTR repair kits, mechanical seals, and service components. Model Information — 99106103 Series: MTR Impeller Material: Stainless steel Shaft Seal: HUUV Technical Specifications Model Number 99106103 Product Series MTR Series Description Submersible Multistage Pump — Tank Top Power 30HP Voltage 208-230DD/460DV Phase 3.0-Phase Frequency 60 Hz Motor Speed 3490-3540rpm Pump Speed 3541rpm Full Load Current 74,0-67,0/33,5A Motor Type 180AA Motor Protection PTC Motor Efficiency Class NEMA Premium / IE3 60Hz Motor Efficiency 91.5-91.7% Insulation Class F Protection Class (IP) IP55 Dust/Jetting Nominal Flow 339US gpm Nominal Head 249.4ft Max Operating Pressure 362.59psi Max Fluid Temperature 194°F Max Ambient Temperature 104°F Outlet Connection 3inch Pipe Standard ANSI Impeller Material Stainless steel Shaft Seal HUUV Approvals / Certifications CE, EAC, UKCA Important Notices Electrical Verify supply voltage, phase, and frequency match nameplate before installation: 208-230DD/460DV, 3.0-Phase, 60 Hz. Temperature limits Do not exceed max fluid temperature 194°F or max ambient temperature 104°F. Exceeding limits damages seals and motor insulation. Dry running Do not run dry. MTR 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) — MTR Series ✓ Product Data Sheet — 99106103 ✓ 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 — 99106103 · 99106103Authorized Grundfos Distributor · pump-stop.com
