The Grundfos MTR 45 Vertical Immersible Multistage Coolant Pump (MTR 45) is part of the Grundfos MTR range, engineered in Cast iron motor stool / 304 stainless wetted parts. Delivers up to 260 GPM at heads up to 800 ft, with motor sizes from 10-75 HP. Drive: Separable NEMA motor mounted above tank, immersible pump end inside coolant tank. Used in Coolant supply to lathes and similar applications.
Specifications
| Max flow | 260 GPM (60 Hz) |
| Max head | 800 ft |
| Max working pressure | 435 psi |
| Motor range | 10-75 HP |
| Stages | up to 13 |
| Immersion depth | 6-31 in |
| Frequency | 60 Hz |
| Voltage | 115/230 V single-phase or 208-230/440-480 V three-phase (model dependent) |
| Liquid temperature | 5 - 250 °F (-20 - 250 °F with HQQV seal) |
| Construction | Cast iron motor stool / 304 stainless wetted parts |
| Motor | Separable NEMA motor mounted above tank, immersible pump end inside coolant tank |
| Brand | Grundfos |
| Model | MTR 45 |
| Country of Origin | Denmark / USA (varies by model) |
Materials of Construction
Cast iron motor stool, 304 stainless chambers, sleeve and shaft; ceramic/SiC shaft seal
Typical Applications
- Coolant supply to lathes
- milling
- grinding
- drilling
- machining centers; chip & particle handling; filter back-flush
Datasheets & Manuals
Industries & Applications
The Grundfos MTR 45 is widely deployed across these industries and use cases:
- Coolant supply to cnc milling machines
- Coolant to cnc lathes
- Grinding machine coolant filtration
- Machining center coolant systems
- Tank-top mounting in machine tools
- Industrial parts-washing equipment
Related & Compare
Frequently Asked Questions
- What is the maximum flow rate of the Grundfos MTR 45?
- The MTR 45 delivers up to 260 GPM at 60 Hz.
- What is the maximum head/pressure of the MTR 45?
- Maximum head is 800 ft (about 435 psi). Actual operating point depends on stage count and motor size.
- What materials of construction are available for the MTR 45?
- Cast iron motor stool, 304 stainless chambers, sleeve and shaft; ceramic/SiC shaft seal
- What applications is the Grundfos MTR 45 suitable for?
- Coolant supply to lathes, milling, grinding, drilling, machining centers; chip & particle handling; filter back-flush
- Is the Grundfos MTR 45 available with stock or quick-ship lead times?
- Many configurations ship from stock through Grundfos USA. Contact ForeverPure Place for current lead time on your specific configuration.
- How do I get a quote for the Grundfos MTR 45?
- Use the Request Quote button on this page, call our sales team, or email sales@foreverpureplace.com with model, voltage, materials, seal type and quantity.
Need help selecting the right MTR 45 configuration, NEMA motor, materials or seal type? Contact our pump engineering team for sizing assistance, pricing and lead times.
