Sulman APP61-500 Paper Pulp Pumps Description
Sulman APP61-500 horizontal centrifugal process pumps, typically used for high-flow industrial applications. It is designed for pumping clean liquids, process fluids, and some mildly contaminated fluids in industries such as pulp & paper, mining, chemical processing, energy, and water treatment.
Common Sulman APP Pump Models and Applications:
| Model | Product Description | Typical Application |
|
APP11-40, APP11-50, APP21-80, APP22-80, APP23-40 |
Small-size process centrifugal pump | General industrial liquids, water circulation |
| APP31-125, APP31-150, APP32-65, APP32-80, APP32-100, APP32-125, APP33-100 | Medium process pump | Chemical plants, water systems, industrial processes |
| APP41-200, APP41-300, APP42-150, APP42-200, APP43-300, APP44-150, APP44-200 | Medium-large process pump | Pulp & paper, chemical processing |
|
APP51-315, APP52-400, APP53-200, APP53-300, APP54-400, APP55-200, APP55-300 |
Large industrial process pump | Paper mills, process circulation |
| APP61-400 | Large-capacity process pump | Mining, pulp mills, large industrial systems |
| APP61-500 | Mining, pulp mills, large industrial systems | High-volume process liquid transfer |
| APP71-630 | Extra-large process pump | Heavy industrial applications |
Sulman APP61-500 Pumps Design Features
1. Horizontal End-Suction Single-Stage Design
Horizontal installation
End suction configuration
Single-stage centrifugal pump
Back pull-out construction
2. Heavy-Duty Bearing Unit Design
Heavy-duty bearing housing
Multiple lubrication options
Designed for long operating life
High shaft stability under large hydraulic loads
3. High-Efficiency Hydraulic Design
High-efficiency closed impeller options
Hydraulic designs optimized for different liquids
Large flow capability
4. Modular Construction
Main interchangeable components:
Bearing units
Shaft sealing systems
Hydraulic components
Wet-end parts
5. Advanced Shaft Sealing System
Mechanical seals
Packing seals
Dynamic sealing solutions
6. Material Flexibility
Cast iron
Stainless steel
Duplex stainless steel
Special alloys (application dependent)
Sulman APP61-500 Pumps Performance Parameters
| Parameter | Typical Value |
| Pump Type | Horizontal end suction centrifugal pump |
| Stages | Single stage |
| Flow Capacity (Q) | Approx. 1,000 – 4,000 m³/h |
| Head (H) | Approx. 20 – 100 m |
| Temperature Capability | Up to approx. 180°C (application dependent) |
| Speed | Commonly 4-pole motor range (approx. 1,450 rpm @50Hz / 1,750 rpm @60Hz) |
| Efficiency | Typically high-efficiency industrial hydraulic design |
Sulman APP61-500 Process Pumps Typical Operating Fluids
1. Clean / Process Liquids
Water
Cooling water
Process water
Chemical solutions
Industrial Liquids
2. Paper stock related fluids
White water
Mildly contaminated liquids
Sulman APP61-500 Pumps Mainly Used for Pulp & Paper Industry
Process water circulation
Mill water supply
Cooling water systems
2. White Water Pumps
White water circulation
Paper machine water recovery systems
3. Stock Preparation Systems
Fiber suspension transfer
Pulp circulation
Screening and refining systems
4. Paper Machine Applications
Headbox circulation
Approach flow systems
Machine water systems
Sulman APP61-500 Pumps for Chemical & Petrochemical Industry
Applications:
Chemical transfer
Process circulation
Cooling systems
Solvent handling
Acid/alkali circulation (with suitable materials)
Possible belowing materials, depending on corrosion requirements.
Stainless steel
Duplex stainless steel
Special alloys
Sulman APP61-500 Pumps Parts List
| Part Name | Position No | Function |
| Volute Casing / Pump Casing | 102 | Main pressure-containing body |
| Impeller (Closed / Open) | 230 | Converts motor energy into hydraulic energy |
| Suction Cover / Casing Cover | 161 | Covers suction side and supports hydraulic flow |
| Wear Ring / Casing Wear Ring | 502 | Reduces wear between rotating and stationary parts |
| Wear Plate / Side Plate | 135 | Protects casing from erosion |
| Impeller Nut | 922 | Secures impeller on shaft |
| Impeller Key | 940 | Transfers torque from shaft to impeller |
| Pump Shaft | 210 | Transmits torque from motor to impeller |
| Shaft Sleeve | 524 | Protects shaft from seal wear |
| Bearing Housing | 330 | Supports bearing assembly |
| Bearing Unit | 013 / 320 | Supports rotating shaft |
| Bearing Cover | 360 | Holds and protects bearings |
| Mechanical Seal | 433 | Prevents leakage |
| Seal Cover | 471 | Holds mechanical seal |
| Stuffing Box Housing | 451 | Packing/seal chamber |
| Packing Ring | 461 | Alternative shaft sealing |
| Lantern Ring | 458 | Cooling/flushing arrangement |
Sulman APP61-500 Pumps Advantages
1. High Flow Capacity for Large Industrial Applications
APP61-500 is designed for large-volume fluid handling.
Handles high flow rates
Maintains stable process operation
Suitable for large production facilities
Typical applications:
Paper mill process water systems
Industrial circulation systems
Mining plant water systems
Cooling water systems
2. High Hydraulic Efficiency
For large pumps operating 24/7, energy savings can significantly reduce total lifecycle costs.
3. Reliable Continuous Operation
Many industries cannot afford unexpected shutdowns.
APP61-500 pumps are designed for:
Long operating hours
Heavy industrial duty
Stable performance under demanding conditions
Typical operating environments:
Continuous production plants
Large pulp mills
Mining processing facilities
Chemical plants
4. Easy Maintenance & Reduced Downtime
Maintenance teams can service the pump without major piping removal, helping reduce production downtime.
5. Robust Mechanical Design
APP61-500 pumps are built with strong mechanical components
6. Suitable for Various Industrial Fluids
With different material options, APP61-500 pumps can handle:
Process water
Industrial liquids
Chemical solutions
Mildly contaminated fluids
Material selection can be optimized for:
Corrosion resistance
Temperature requirements
Process conditions
7. Wide Industrial Applications
Pulp & Paper Industry
Mining Industry
Chemical Industry
Power & Water Industries
8. Strong Spare Parts Support
We help APP61-500 pump users reduce downtime by providing reliable replacement parts with OEM-equivalent performance and shorter delivery times
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Contact Information
+86 180 3203 4573
+86 311 8722 1317
No. 266, Tianshan St, High-tech Zone, Shijiazhuang City 050000, China.
