Factory Sale Durable Speed Reduction Unit for Submersible Screw Pump Systems

   Key Features   

1. High-Efficiency Design:  

  The reducer is precision-engineered to ensure perfect compatibility with submersible electric progressive cavity pumps, providing highly efficient power transmission.

2. Exceptional Durability:  

  Constructed with high-strength materials and advanced manufacturing techniques, it ensures long-term stable operation even in harsh environments.

3. Compact Structure:  

  Featuring a compact design, it is easy to install and maintain, making it suitable for applications with limited space.

4. High Torque Output:  

  Capable of delivering high torque output, it meets the operational demands of submersible electric progressive cavity pumps under heavy-load conditions.

5. Excellent Sealing Performance:  

  Equipped with superior sealing capabilities, it prevents liquids and contaminants from entering the reducer, thereby extending its service life.

6. Low-Noise Operation:  

  Optimized gear design and lubrication systems ensure quiet operation, minimizing impact on the working environment.

   Parameter   

   Reducer Technical Performance（Table 3）  

   Technical Requirements   

1. Reducer Assembly Requirements

2. All connections of the reducer shall have good sealing performance. After a 0.35MPa air pressure test for 5 minutes, there shall be no leakage.

3. The mechanical seal of the reducer shall withstand a static air pressure test of not less than 0.035MPa for 5 minutes without leakage.

4. The leakage rate of the mechanical seal of the reducer shall be less than 0.1ml/h.

5. The technical performance of the reducer shall comply with the provisions in Table 3.

   Reducer Protector Upper Connection Dimensions (Figure 1, Table 1)   

Figure 1 Reducer Upper Connection

Table 1 Reducer Protector Upper Connection Dimensions

Unit: mm

Reducer Lower Connection Dimensions (Figure 2, Table 2)

Figure 2 Reducer Lower Connection

Table 2 Reducer Motor Lower Connection Dimensions

Unit: mm

   Inspection Rules   

1 Factory Inspection

a) Sealing Test;

b) Gear Meshing Test.

2 Type Inspection

2.1 Type inspection shall be conducted under any of the following circumstances:

a) When a new product is completed;

b) When changes in the design, process, or materials of the reducer or the entire machine may cause changes in certain performance characteristics;

c) When the factory inspection results deviate unacceptably from previous type inspection results;

d) Periodic sampling inspection of mass-produced reducers.

Type inspection includes all factory inspection items plus the following items.

2.2 Type Inspection Items

2.2.1 Reducer Reduction Ratio Measurement.

2.2.2 Reducer and Reducer Protector Load Capacity Type Test.

   Application Fields   

1. Oil and Gas:  

  Used for oil well pumping, natural gas transportation, and related applications.

2. Wastewater Treatment:  

  Suitable for sludge transportation and processing in wastewater treatment plants.

3. Mining:  

  Used for mine drainage and slurry transportation in mining operations.

4. Other Industrial Applications:  

  Ideal for liquid transportation scenarios requiring high reliability and efficiency.

   Installation and Maintenance   

Installation: Provide detailed installation guidelines to ensure the reducer is correctly matched with the submersible electric screw pump.

Maintenance: Conduct regular inspections and maintenance to ensure the long-term stable operation of the reducer. It is recommended to regularly replace the lubricating oil and check the wear of seals and gears.

   Marking   

Reducer Nameplate:

a) Standard Number;

b) Product Name;

c) Product Model;

d) Reduction Ratio;

e) Date of Manufacture;

f) Product Serial Number;

g) Weight (kg);

h) Manufacturer's Name.

   Package   

After acceptance, the reducer shall be placed in the rectangular packing box respectively.The packing boxes should be made according to the requirements of the product drawings, the outside of the box should be lifting marks, and the inside of the box should be rubber supporting blocks.

   Transportation and Storage   

1. The reducer shall be filled with gear oil.

2. When lifting a single piece, double ropes should be used to lift from both sides of the center of gravity. Do not use a single steel rope to lift the middle part of the pump. It should be transported horizontally.

3. The storage temperature in the warehouse shall be maintained between -15°C and 40°C.

The storage period of the reducer shall not exceed one year from the date of shipment from the manufacturer. If stored for more than 6 months, it shall be re-inspected according to regulations before use.

   Certificates   

ISO9001:2015
Domestic patent certificates

   FAQ   

1. How to solve the problem of oil leakage in the operation of special reducer of submersible electric progressive cavity pump?

Possible causes:

- Aged or damaged seals.

- Improper oil seal installation or high oil level.

- The joint surface of the container is loose or damaged.

The solution:

- Replace the seal or oil seal.

- Check oil level and adjust to proper position.

- Tighten or repair the housing joint.

2.How to solve the abnormal noise in the special reducer of submersible electric progressive cavity pump during operation?

Possible causes:

- Gear worn or poorly meshed.

- Bearing damage or poor lubrication.

- Unstable installation or poor alignment.

The solution:

- Check gear and bearings for wear and replace them if necessary.

- Ensure reducer installation is stable and accurate alignment.

- Refill or replace lubricating oil.