Description
The Grundfos 99542611 (MTR 32-8/8 A-J-A-HUUV) is a Submersible Multistage Pump — Tank Top. Vertical multistage pump for tank top mounting. For machine tool coolant, deionized water, and process liquid applications. Nominal performance: 159US gpm at 587.6ft. Rated 440-480DV, 3.0-Phase, 60 Hz.
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 Number | 99542611 |
| Product Series | MTR |
| Series Description | Submersible Multistage Pump — Tank Top |
| Power | 40HP |
| Voltage | 440-480DV |
| Phase | 3.0-Phase |
| Frequency | 60 Hz |
| Motor Speed | 3560rpm |
| Pump Speed | 3561rpm |
| Full Load Current | 54,0-50,0A |
| Motor Type | INNOMOTICS |
| Motor Protection | PTC |
| Motor Efficiency Class | IE3 / NEMA Premium |
| Motor Efficiency | IE3 92,4% |
| Insulation Class | F |
| Protection Class (IP) | IP55 |
| Nominal Flow | 159US gpm |
| Nominal Head | 587.6ft |
| Max Operating Pressure | 362.59psi |
| Max Fluid Temperature | 194°F |
| Max Ambient Temperature | 131°F |
| Outlet Connection | DN 65 |
| Pipe Standard | JIS |
| Impeller Material | Stainless steel |
| Shaft Seal | HUUV |
| Approvals / Certifications | CE, EAC, UKCA |
| Electrical | Verify supply voltage, phase, and frequency match nameplate before installation: 440-480DV, 3.0-Phase, 60 Hz. |
| Temperature limits | Do not exceed max fluid temperature 194°F or max ambient temperature 131°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. |
- EAN
- 5713830804803
- Approvals
- CE
- Built-in motor protection
- PTC
- Cable gland entry
- 2xM72x1
- Chambers
- 8
- Code for shaft seal
- HUUV
- Connect code
- J
- Connection
- DN 65
- Curve tolerance
- ISO9906:2012 3B
- Density
- 62.29 lb/ft³
- Enclosure class (IEC 34-5)
- IP55
- Flange size for motor
- FF350
- Frequency converter
- NONE
- Gross weight
- 753.0 lb
- IE efficiency
- IE3 92
- IE Efficiency class
- IE3 / NEMA Premium
- Immersion depth
- 25.3 in
- Impeller
- Stainless steel
- Impellers
- 0
- Insulation class (IEC 85)
- F
- Liquid temperature range
- 14 .. 194 °F
- Mains frequency
- 60 Hz
- Material code
- A
- Material Pricing Group
- 6
- Max pressure at stated temp
- 363 psi / 194 °F
- Maximum ambient temperature
- 131 °F
- Maximum operating pressure
- 25 bar
- Minimum efficiency index, MEI ≥
- 0.7
- Model
- B
- Motor
- FF350
- Motor efficiency at 1/2 load
- 92.6-92.6 %
- Motor efficiency at 3/4 load
- 93.1-93.1 %
- Motor efficiency at full load 1
- 92.4-92.4 %
- Motor standard
- IEC
- Motor type
- SIEMENS
- Net weight
- 641.0 lb
- Number of poles
- 2
- Number of reduced-diameter impellers
- 0
- Power factor 1
- 0.87
- Pump speed on which pump data are based
- 3561 rpm
- Pump version
- A
- Pumped liquid
- Water
- Rated current
- 54.0-50.0 A
- Rated flow
- 159 US gpm
- Rated head
- 587.6 ft
- Rated power - P2
- 30 kW
- Rated speed
- 3560 rpm
- Rated voltage
- 3 x 440-480D V
- Real Time
- Delivery date to be confirmed on Sales Order Update with real time availability and Net price
- Selected liquid temperature
- 68 °F
- Service factor
- 1.15
- Size of outlet connection
- DN 65
- Standard
- IEC
- Starting current
- 760-760 %
- Suitable for 50/60 Hz
- N
- Terminal box position
- 6
- Type
- SIEMENS
- Type of connection
- JIS
- Version
- A
Dimensional Drawing
Wiring Diagram