MS420-64F 150MS45 (150MS) Process Pumps
EBARA MS420 150MS45 horizontal multistage pump, 150 caliber, weight 250 kg, this multistage pump has always had a vortex impeller, this MS type pump adopts a unique double helix structure, even when the water volume is small, there will be no noise, and it can operate safely.EBARA MS420 150MS45 horizontal multistage pump adopts a double vortex method without guide vanes, with a large discharge range and high efficiency; simple structure, durable and no noise.
In the detailed model name, MS420 indicates the model, 4 indicates the 4-stage impeller code, 5 indicates the frequency is 50hz, 45 indicates the motor power is 45 kW, and 150 indicates the outlet diameter.
As part of EMAC, PumpMac offers a wide range of premium pump drive power pack options, WPT PTO, Advance gearboxes and pump heads, and custom water pump packs. We also have a set of NFPA20 standard engine power pack accessories, including intake shutoff valves, DCcontactors, engine control panels, jacket water heaters, etc.
We provide full life cycle services to all our customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from troubleshooting to overhaul technical support.
Advantages of MS420-64F 150MS45 (150MS) Process Pumps
The water transport pump has a wide performance range and good efficiency. Because it is a double helix form, the structure is simple, the performance range is large, the efficiency is good, and it is also economical and practical.
The structure is simple, the volume is small and the quality is light, and it is easy to disassemble and inspect.
Because there is no guide impeller, the structure is simple, the appearance is small, the quality is light, and it is easy to disassemble and inspect.
It can be used for high-level suction. The entrance of the impeller adopts a unique design, which can be used even for high-level suction.
The thrust balance method is very reasonable because there is a double helix setting in the vortex chamber, and the water flow in the right-angle section of the shaft is symmetrical. No matter what the water volume is, the thrust in the direction of the rotating part’s running radius is balanced.
The thrust in the axial direction is the balance disc, and the degree of wear of the folded surface of the disc is as indicated by the hook at the top of the bearing installed on the side of the suction pipe sleeve.
Technical Specifications
Standard Specifications: | Pump Model/420 |
Pressure outlet diameter: | 125~200mm |
Flow: | 1.0~6.0m/min |
Maximum operating pressure: | 2.75MPa{28kgf/cm} |
Maximum suction pressure: | 0.39MPa{4kgf/cm} |
Pressure resistance: | 3.92MPa{40kgf/c㎡}/4.12MPa{42kgf/cm} |
Suction flange specifications: | JIS 10K RF |
Extruded flange specifications: | JIS 16KRF/JIS 20K RF |
Maximum operating temperature: | 104℃ |
Water Pump Model | Water Pump Diameter | Motor Poles | Synchronous Speed | Motor Power | Frequency |
MS420-64F 125MS22 | 125MS | 4 | 1800min-1 | 22 kW | 60 hz |
MS420-64F 125MS30 | 125MS | 4 | 1800min-1 | 30 kW | 60 hz |
MS420-64F 125MS37 | 125MS | 4 | 1800min-1 | 37 kW | 60 hz |
MS420-64F 125MS45 | 125MS | 4 | 1800min-1 | 45 kW | 60 hz |
MS420-64F 125MS55 | 125MS | 4 | 1800min-1 | 55 kW | 60 hz |
MS420-64F 125MS75 | 125MS | 4 | 1800min-1 | 75 kW | 60 hz |
MS420-64F 125MS90 | 125MS | 4 | 1800min-1 | 90 kW | 60 hz |
MS420-64F 125MS110 | 125MS | 4 | 1800min-1 | 110 kW | 60 hz |
MS420-64F 150MS45 | 150MS | 4 | 1800min-1 | 45 kW | 60 hz |
MS420-64F 150MS55 | 150MS | 4 | 1800min-1 | 55 kW | 60 hz |
MS420-64F 150MS75 | 150MS | 4 | 1800min-1 | 75 kW | 60 hz |
MS420-64F 150MS90 | 150MS | 4 | 1800min-1 | 90 kW | 60 hz |
MS420-64F 150MS110 | 150MS | 4 | 1800min-1 | 110 kW | 60 hz |
MS420-64F 150MS132 | 150MS | 4 | 1800min-1 | 132 kW | 60 hz |
MS420-64F 150MS160 | 150MS | 4 | 1800min-1 | 160 kW | 60 hz |
MS420-64F 200MS75 | 200MS | 4 | 1800min-1 | 75 kW | 60 hz |
MS420-64F 200MS90 | 200MS | 4 | 1800min-1 | 90 kW | 60 hz |
MS420-64F 200MS110 | 200MS | 4 | 1800min-1 | 110 kW | 60 hz |
MS420-64F 200MS132 | 200MS | 4 | 1800min-1 | 132 kW | 60 hz |
MS420-64F 200MS160 | 200MS | 4 | 1800min-1 | 160 kW | 60 hz |
MS420-64F 200MS200 | 200MS | 4 | 1800min-1 | 200 kW | 60 hz |
——END—— |

serial number | Part Name | Material |
Pump Model 420 | ||
2 | Suction pump casing | FC200 |
3 | Press out the pump casing | #FC200/FCD400 |
5 | Intermediate connection pump housing | FC200 |
15 | Balance chamber cover | FC200 |
twenty one | impeller | *CAC406 ( BC6) |
31 | Spindle | S35C |
39-1 | Key (for coupling) | S50C |
39-2 | Key (for impeller) | S50C |
39-3 | Key (for balance plate) | S50C |
39-4 | Key (for shaft sleeve) | S50C |
40 | Bushing | *CAC406 ( BC6 ) |
46 | Retaining ring | SUS420J1 |
51 | Bearing chamber | FC200 |
53 | Bearing cap | FC200 |
55 | Ball bearings | – |
77 | Balance plate gasket | *CAC406 ( BC6 ) |
79 | Balance plate | *CAC406 ( BC6) |
81 | Thrust bearings | *CAC406 ( BC6) |
85 | Water ring thrust bearing | CAC406 ( BC6) |
86 | Balance disc thrust bearing | CAC406 ( BC6) |
91 | Packing gland | CAC406 ( BC6) |
93 | Water retaining ring | SUS420J1 |
107 | Bushing ring | CAC406 ( BC6) |
114 | Oil seal | rubber /NBR |
115-1 | 0 Type Ring | rubber/CR |
115-2 | 0 Type Ring | rubber/CR |
115-3 | 0 Type Ring | rubber/CR |
119 | Gasket | Valqua #1134 |
120 | Tensioning shaft bolt | S35C |
140 | Couplings | FC200 |
272-1 | Bushing nut | CAC406 ( BC6) |
272-2 | Bushing nut | CAC406 ( BC6) |
662 | Adjusting ring | SUS420J1 |
663 | Retaining Ring | SS400 |
672 | Intermediate sleeve | CAC406 ( BC6) |
Safety Instructions and Preventive Maintenance Guide
Requirements for use
Pumps play a significant role in a variety of industries and applications, ensuring the smooth movement of liquids and gases. However, in order to maintain top performance and safety, it is essential to adhere to routine maintenance procedures and safety recommendations. This guide aims at providing the detailed information about pump safety and preventive maintenance.
Safety Instructions
1. Read the Manual
Before using EBara pumps, read and understand the handbook thoroughly. Make sure you understand the pump’s specifications, capabilities, and safety precautions.
2. Proper Installation
Ensure the pump is put appropriately according to the guidelines. Improper installation can cause operating inefficiencies and safety issues.
3. Ventilation
Operate pumps in well-ventilated areas to prevent the buildup of potentially harmful gases or vapors. If working in confined spaces, use proper ventilation equipment.
4. Emergency Shutdown Procedures
Familiarize yourself with emergency shutdown procedures in case of malfunction, leakage, or any other hazardous situation. Ensure all personnel know how to operate emergency shutdown mechanisms.
5. Regular Inspections
Conduct routine inspections of the pump and its components for signs of wear, damage, or leaks. Address any issues promptly to prevent accidents or system failures.
6. Chemical Compatibility
If handling hazardous chemicals, ensure the pump materials are compatible with the fluid being pumped or refer our chemical compatibility chart for more information. Incompatible materials can lead to corrosion, leaks, or chemical reactions.
Preventive Maintenance
1. Regular Lubrication
Keep bearings, seals, and other moving parts properly lubricated. Insufficient lubrication can lead to premature wear and breakdowns.
2. Inspect Seals and Gaskets
Check seals and gaskets for wear, damage, or leaks regularly. Replace any worn or damaged seals to prevent fluid leakage and maintain pump efficiency.
3. Check Motor Alignment
Ensure the pump motor is properly aligned with the pump shaft to prevent excessive wear on bearings and seals. Misalignment can lead to premature failure and costly repairs.
4. Replace Worn Parts
Keep an inventory of spare parts and replace worn or damaged components as needed. Regularly check wear parts such as impellers, seals, and bearings for signs of deterioration.
5. Schedule Maintenance
Develop a preventive maintenance schedule based on manufacturer recommendations and operating conditions. Regular maintenance helps prevent unexpected breakdowns and extends the life of the pump.
6. Document Maintenance Records
Keep detailed records of all maintenance activities, including inspections, repairs, and replacements. This information helps track the pump’s performance over time and identify any recurring issues.
By following these safety instructions and preventive maintenance practices, you can ensure the safe operation and longevity of your pumps while minimizing the risk of accidents or downtime. Remember, prioritizing safety and proactive maintenance is key to maximizing pump efficiency and reliability.
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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