Magflow® TDGP Self-Balancing Multistage Boiler Feed Pump Specifications
Magflow® TDGP Self-Balancing Multistage Boiler Feed Pump
Magflow® TDGP Self-Balancing Multistage Boiler Feed Pump features an innovative structural redesign that eliminates the conventional axial thrust balancing mechanism and balance disc assembly found in traditional multistage centrifugal pumps. By fundamentally removing these high-wear components, the TDG pump offers exceptional operational reliability, higher volumetric efficiency, and an extended service life—making it the ideal upgrade and direct replacement for legacy TD and TDG series pumps.
Magflow® TDGP Self-Balancing Boiler Feed Pump Design Features
Magflow® TDGP Self-Balancing Multistage Boiler Feed Pump is reengineered for Peak Reliability | The Next-Gen Upgrade for TD & TDG Series
Zero Balance Disc Design: Completely eliminates conventional balance discs and rings, removing the root cause of pump seizures, dry friction, and frequent breakdowns.
Higher Efficiency & Energy Savings: Eliminates balance water leakage, boosting overall volumetric and hydraulic efficiency.
Extended Service Life: Automatic axial force balance reduces load on bearings, minimizing maintenance costs and costly downtime.
Seamless Drop-In Replacement: Engineered to match the hydraulic parameters and footprint of legacy TD and TDG series pumps for effortless retrofits.
Magflow® TDG High Temperature Boiler Feed Water Pumps Performance Parameters
| Model(P) | Capacity Q (m3/h) | Head H (m) | Speed n (rpm) | Power P (kW) |
Eff. η (%) |
NPSHr (m) |
| TDG6-25 | 3.75-7.5 | 73.5-306 | 2950 | 4-18.5 | 53 | 2-2.5 |
| TDG6-50 | 3.75-7.5 | 144-624 | 2950 | 11-55 | 36 | 3-3.5 |
| TDG6-80 | 3.75-7.5 | 220-982 | 2950 | 18.5-75 | 36 | 3-3.5 |
| TDG12-25 | 7.5-15 | 69-338.4 | 2950 | 7.5-30 | 58 | 2-2.5 |
| TDG12-50 | 7.5-15 | 93-648 | 2950 | 15-75 | 49 | 2-2.5 |
| TDG12-80 | 7.5-15 | 220-982 | 2950 | 30-132 | 40 | 2-2.5 |
| TDG25-30 | 15-30 | 82.5-340 | 2950 | 15-45 | 68 | 2.2-2.4 |
| TDG25-50 | 15-28 | 144-618 | 2950 | 22-110 | 61 | 2.4-2.8 |
| TDG25-80 | 15-30 | 380-1013 | 2950 | 75-160 | 56 | 3.1-3.8 |
| TDG46-30 | 30-55 | 81-340 | 2950 | 22-75 | 75 | 2.4-4.6 |
| TDG46-50 | 30-55 | 138-666 | 2950 | 37-160 | 71 | 2.5-3.2 |
| TDG46-80 | 27-54 | 380-1056 | 2950 | 110-280 | 65 | 3.9-5.5 |
| TDG85-45 | 55-100 | 117-510 | 2950 | 55-185 | 77 | 3.2-5.2 |
| TDG85-67 | 55-100 | 183-740 | 2950 | 90-280 | 73 | 3.3-4.4 |
| TDG85-80 | 51-102 | 304-880 | 2950 | 132-355 | 71 | 3.5-4.5 |
| TDG85-100 | 51-102 | 285-1100 | 2950 | 132-450 | 65 | 3.8-4.6 |
| TDG120-50 | 96-140 | 126.9-545 | 2950 | 90-250 | 78 | 3.2-6.7 |
| TDG120-100 | 96-144 | 360-1260 | 2950 | 220-630 | 74 | 3.8-5.5 |
| TDG150-30 | 119-190 | 85.5-330 | 2950 | 75-220 | 83 | 3.8-5 |
| TDG150-50 | 120-180 | 85-550 | 2950 | 75-355 | 75 | 3.2-6.6 |
| TDG150-80 | 90-180 | 228-880 | 2950 | 185-630 | 75 | 3.2-6.6 |
| TDG150-100 | 120-180 | 285-1100 | 2950 | 200-710 | 73 | 3.8-5 |
| TDG155-67 | 100-185 | 118-760 | 2950 | 90-450 | 79 | 3.2-6.6 |
| TDG200-50 | 120-240 | 135-580 | 2950 | 132-400 | 81 | 4.5-5.8 |
| TDG200-100 | 150-240 | 168-1130 | 2950 | 185-900 | 76 | 3.5-5 |
| TDG200-150 | 150-240 | 378-1725 | 2950 | 400-1400 | 72 | 2.5-3 |
| TDG210-70 | 160-260 | 186-712 | 2950 | 200-710 | 79.2 | 6.2-7.8 |
| TDG280-100 | 196-336 | 368-1100 | 2980 | 500-1250 | 78.5 | 4-6.5 |
| TDG155-30 | 119-190 | 54-320 | 1480 | 45-200 | 82 | 3.2-4.8 |
| TDG155-50 | 120-180 | 127.5-550 | 1480 | 110-355 | 71 | 3.2-6.6 |
| TDG200-50 | 132-240 | 198-544 | 1480 | 185-450 | 75 | 2.3-4.1 |
| TDG280-43 | 185-335 | 76-470 | 1480 | 110-500 | 81 | 2.5-5.2 |
| TDG280-65 | 185-355 | 186-680 | 1480 | 280-900 | 74 | 2.8-5.0 |
| TDG280-95 | 180-335 | 244-979.7 | 1480 | 355-1120 | 72.5 | 2.5-3.7 |
| TDG300-45 | 200-350 | 80-445 | 1480 | 110-450 | 85 | 2.5-5.2 |
| TDG360-40 | 300-440 | 106.5-420 | 1480 | 185-630 | 84 | 4.65-5.4 |
| TDG360-60 | 300-440 | 210-640 | 1480 | 400-1000 | 74.5 | 3.1-5.3 |
| TDG360-95 | 280-410 | 244-979.4 | 1480 | 400-1400 | 73 | 2.6-3.8 |
| TDG450-60 | 335-500 | 113-650 | 1480 | 250-1000 | 84 | 4.1-6.3 |
| TDG450-95 | 385-515 | 244-979.7 | 1480 | 500-1800 | 75 | 2.8-4 |
| TDG500-57 | 450-550 | 162-600 | 1480 | 355-1250 | 82 | 4.4-5.8 |
| TDG550-50 | 450-590 | 90-540 | 1480 | 220-1000 | 84 | 5.2-6.5 |
| TDG580-60 | 450-638 | 165-650 | 1480 | 450-1250 | 82.5 | 3.16-5.16 |
| TDG640-80 | 530-760 | 201.6-904 | 1480 | 710-2240 | 78 | 7.2 |
| TDG720-60 | 550-850 | 171-660 | 1480 | 560-1800 | 82 | 7 |
| TDG1100-85 | 850-1350 | 221-862 | 1450 | 1250-4500 | 84 | 7 |
Magflow® TDGP Self-balancing Boiler Feed Water Pumps Typical Applications
In power generation, boiler feed pumps (BFPs) are critical to maintaining the thermodynamic cycle, delivering high-pressure water into the steam drum or HRSG (Heat Recovery Steam Generator).
Thermal & Coal-Fired Power Plants: Supplying high-pressure water to main boilers generating superheated steam for turbines.
Combined Cycle Gas Turbine (CCGT) Plants: Feeding water into HRSGs driven by gas turbine exhaust.
Nuclear Power Stations: Secondary circuit feed water delivery to steam generators.
Biomass & Waste-to-Energy Plants: Pumping condensate and treated water into waste-heat boilers.
Industrial facilities rely on high-pressure steam for heating, chemical reactions, power co-generation, and mechanical drives.
Chemical & Petrochemical Refineries: Supplying process steam boilers, reformer boilers, and cracking unit heat recovery systems.
Paper & Pulp Mills: Feeding recovery boilers and process steam generation units.
Steel Mills & Metallurgical Plants: Supplying water to waste-heat boilers connected to blast furnaces and cooling systems.
Food & Beverage Processing: Supplying clean steam boilers used for sterilization, cooking, and facility heating.
Magflow® TDG Multistage Pumps on-site Applications
Centralized District Heating Networks: Circulating and boosting high-temperature, high-pressure water across municipal heating grids.
Cogeneration (CHP - Combined Heat and Power) Systems: Feeding dual-purpose boilers that generate both local electricity and thermal energy for urban areas.
Shipboard Auxiliary Boilers: Supplying feed water to boilers on large commercial vessels, oil tankers, and naval ships for propulsion steam or cargo heating.
Offshore Oil & Gas Platforms: Powering steam generation for enhanced oil recovery (EOR), steam injection, and deck utility systems.
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