The Grundfos BM 3 Horizontal High-Pressure Booster Module (BM 3) is part of the Grundfos BM range, engineered in Horizontal 316 SS cylinder with submersible motor and CRN-style pump end. Delivers up to 18 GPM at heads up to 1000 ft, with motor sizes from varies HP. Drive: Submersible MS/MMS 6" or 8" motor, fixed speed (BM) or variable speed via CUE drive. Used in Reverse osmosis high-pressure feed and similar applications.
Specifications
| Max flow | 18 GPM (60 Hz) |
| Max head | 1000 ft |
| Max working pressure | 435 psi |
| Pump type | 4-inch booster module |
| 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 | Horizontal 316 SS cylinder with submersible motor and CRN-style pump end |
| Motor | Submersible MS/MMS 6" or 8" motor, fixed speed (BM) or variable speed via CUE drive |
| Brand | Grundfos |
| Model | BM 3 |
| Country of Origin | Denmark / USA (varies by model) |
Materials of Construction
All AISI 316 stainless steel sleeve and wetted parts; available with 904L and duplex options on request
Typical Applications
- Reverse osmosis high-pressure feed
- seawater desalination
- brackish water RO
- high-pressure pressure boosting
- washdown
- fire-fighting
Datasheets & Manuals
Frequently Asked Questions
- What is the maximum flow rate of the Grundfos BM 3?
- The BM 3 delivers up to 18 GPM at 60 Hz.
- What is the maximum head/pressure of the BM 3?
- Maximum head is 1000 ft (about 435 psi). Actual operating point depends on stage count and motor size.
- What materials of construction are available for the BM 3?
- All AISI 316 stainless steel sleeve and wetted parts; available with 904L and duplex options on request
- What applications is the Grundfos BM 3 suitable for?
- Reverse osmosis high-pressure feed, seawater desalination, brackish water RO, high-pressure pressure boosting, washdown, fire-fighting
- Is the Grundfos BM 3 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 BM 3?
- 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 BM 3 configuration, NEMA motor, materials or seal type? Contact our pump engineering team for sizing assistance, pricing and lead times.
