China Custom Stainless Steel Submersible Borehole Water Pump C&U Bearing bearing driver

Product Description

For water supply from wells or reservoirs
For domestic use, for civil and industrial applications
For garden use and irrigation

Operating conditions
Maximum fluid temperature up to +35°C
Maximum sand content: 0.25%
Minimum well diameter: 3″

Motor and Pump
Rewindable motor
Single-phase: 220-240V/50Hz
Three-phase: 380-415V/50Hz
Equip with start control box or digital auto-control box
Pumps are designed by casing stressed
Curve tolerance according to ISO 9906

Options on request
Special mechanical seal
Other voltages or frequency 60Hz
Single phase motor with built-in capacitor

Warranty: 2 years
(according to our general sales conditions)


Components Material
Pump external casing AISI 304 SS
Delivery casing 1.Cast-Cu ASTM C85500 2.AISI 304 SS
Suction lantern 1.Cast-Cu ASTM C85500 2.AISI 304 SS
Diffuser Plastic.PC
Impeller Plastic.POM
Shaft AISI 304 SS
Shaft coupling AISI 304 SS
Wear ring AISI 304 SS
Motor external casing AISI 304 SS
Topchock 1.Cast-Cu ASTM C85500 2.AISI 420 SS
3.Cast-iron ASTM NO.30
Bottom support AISI 304 SS
Mechanical seal Special seal for deep well(Graphite-Ceramic)
Shaft AISI 304 SS-ASTM 5140
Seal lubricant oil Oil for food machinery and pharmaceutic use.

Q: What is your MOQ of this item?
 A: 100 PCS of each model
Q: What is the delivery time?
A:The sample can be sent to customer within 10-15 days.
The batch order can be shipped within 35 days after receiving deposit payment
Q:Where is your loading port?
A: HangZhou port, China
Q: Is it all right to make customer’s own brand name?
 A: Can make OEM if order quantity reached 1000pcs totally
Q: What is your payment term?
A: 30% in advance, 70% balance the B/L or T/T
Q: What is the warranty of the product?
A: We offer 1 year product life guarantee and a generous 1 year warranty on all purchases that begin with the BL
Q: Packing method?
A: Craft box or color box if quantity reaches to 1000pcs
Q: What information shall I provide you when I need your offer?
A: Normally, we need customer to supply the pump flow, total head, pump material (copper wire or aluminum wire? Stator length), voltage, frequency, etc, so we can quote exactly what customer need
Q: Can you accept customized products?
A: Yes we accept your specific order if you could provide us with your requirements.
Q: Will you supply any spare parts with the pumps?
A: Yes, we can supply for example: tank, flexible hose, pressure switch, pressure gauge, brass connector, cable, etc.
Q: Is there any leakage problem of this pump?
A: Some factory may have such problem, but we solved it very well, by using good material of pump casing, O-ring, and they fit each other perfect. We use 8 screw on the pump head while others may use only 6 screw to save cost. We test 100% and long time for the pump head part, to make sure there is no leakage problem.
Q: How many pcs can load into 1 20ft container
A: 1200pcs
Q: Do you supply sample?
A: We can supply sample, but customer have to pay for the sample fee
Q: What is the delivery time?
A:30-45 after we receiving your deposit.
Q:Where is your loading port?
A: HangZhou port, China
Q: Where did you export to?
A: We export to more than 50 countries, for example, Israel, South Africa, Germany, Poland, Spain, Vietnam, Malaysia, Russia, Thailand, Mexico, Brazil, Chile, etc.
Q: Is it all right to make customer’s own brand name?
A: Can make OEM if order quantity reached 1000pcs totally
Q: What is the warranty of the product?
A: 1 year
Q: Packing method?
A: Craft box
Q: Can I get any discount if order CZPT PUMP brand?
A: At the moment, customer can get lower offer if they purchase CZPT PUMP brand but still get same good quality pumps as always.
Q: Can I order some pressure tank, flexible hose, 5-way connector, pressure gauge, pressure controller and assemble with the pump?
A: Yes, many customer purchase by this way, and we can make very good job to have this booster system to be assembled without any problem.
Q: Can the pump be made by customized voltage and frequency
A: Yes, 220-240V, 110V, 50Hz, 60Hz, we can make according to customer’s need
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Max.Head: >150m
Max.Capacity: >400 L/min
Driving Type: Motor
Material: Stainless Steel
Structure: Single-stage Pump
Assembly: Booster Pump
US$ 100/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

pom bearing

How does proper installation and alignment affect the performance and lifespan of POM bearings?

Proper installation and alignment play a critical role in the performance and lifespan of POM (Polyoxymethylene) bearings. The correct installation and alignment procedures ensure that the bearings operate under optimal conditions, minimizing wear, reducing friction, and extending their service life. Here is a detailed explanation of how proper installation and alignment affect the performance and lifespan of POM bearings:

1. Load Distribution:

Proper installation and alignment of POM bearings help ensure uniform load distribution across the bearing surfaces. When the bearings are correctly installed, they can effectively support and distribute the applied loads, preventing excessive stress on specific areas. This balanced load distribution reduces the risk of localized wear, fatigue, or premature failure, enhancing the overall performance and durability of the bearings.

2. Reduced Friction and Heat Generation:

Accurate installation and alignment of POM bearings help minimize friction and heat generation during operation. When the bearings are properly aligned, they can rotate smoothly without excessive friction or binding. This reduces energy losses, minimizes heat buildup, and prevents excessive wear. Proper alignment also ensures that the bearing surfaces are in optimal contact, allowing for efficient lubrication distribution and further reducing friction. Reduced friction and heat generation contribute to improved performance and extended lifespan of POM bearings.

3. Prevention of Misalignment-Related Issues:

Correct installation and alignment of POM bearings help prevent misalignment-related issues. Misalignment can occur due to improper installation practices or external factors such as vibration or thermal expansion. Misalignment can lead to uneven loading, increased friction, and accelerated wear. By following proper installation procedures and aligning the bearings accurately, the risk of misalignment-related problems such as excessive wear, noise, or premature failure is minimized, ensuring reliable and long-lasting bearing operation.

4. Protection Against Contamination:

Proper installation and alignment of POM bearings include implementing appropriate sealing mechanisms to protect against contamination. Contaminants such as dirt, dust, moisture, or chemicals can enter the bearing assembly if not properly sealed. Contamination can lead to abrasion, corrosion, or lubricant degradation, negatively impacting the bearing’s performance and lifespan. By ensuring proper installation and alignment, including the use of suitable seals or shields, the ingress of contaminants can be minimized, preserving the integrity and functionality of the POM bearings.

5. Consultation and Expertise:

When it comes to the installation and alignment of POM bearings, consulting with bearing manufacturers, industry experts, or experienced professionals is highly recommended. They can provide specific guidelines, best practices, and technical support to ensure proper installation and alignment procedures are followed. Manufacturers often provide detailed installation instructions, including torque specifications, mounting methods, or alignment techniques, tailored to their specific bearing designs. Seeking expert advice helps avoid potential installation errors and ensures that the bearings are correctly installed and aligned for optimal performance and enhanced lifespan.

By paying attention to proper installation and alignment procedures, POM bearings can operate efficiently, withstand the intended loads, minimize wear, and deliver extended service life in various industrial applications.

pom bearing

How do POM bearings perform in wet or corrosive environments?

POM (Polyoxymethylene) bearings are known for their excellent performance in wet or corrosive environments due to their inherent properties and design considerations. Here is a detailed explanation of how POM bearings perform in such conditions:

1. Resistance to Moisture:

POM bearings exhibit high resistance to moisture and water. The molecular structure of POM is non-polar, which means it does not absorb water or experience swelling when exposed to moisture. This property allows POM bearings to maintain their dimensional stability and mechanical strength, even in humid or wet environments. The resistance to moisture absorption also helps to prevent the degradation of lubricating properties, ensuring consistent performance and reducing the risk of premature failure.

2. Low Water Absorption:

POM has low water absorption characteristics, which further enhances its performance in wet environments. The low water absorption rate of POM means that the material does not retain or retain water for a long time. This property helps to prevent the formation of water-related issues such as corrosion, rust, or microbial growth on the bearing surfaces. The low water absorption also contributes to the dimensional stability and mechanical integrity of POM bearings, ensuring reliable operation in wet conditions.

3. Corrosion Resistance:

POM bearings exhibit excellent resistance to corrosion. The material is inherently resistant to many chemicals, including fuels, oils, solvents, and various acids and alkalis. This corrosion resistance makes POM bearings suitable for applications where exposure to corrosive substances is likely. The non-reactive nature of POM helps to prevent chemical attack, surface degradation, and deterioration of bearing performance in corrosive environments, ensuring long-term reliability and durability.

4. Self-Lubricating Properties:

POM bearings possess self-lubricating properties, which contribute to their performance in wet or corrosive environments. The self-lubricating nature of POM reduces the reliance on external lubricants that may be susceptible to washout or degradation in wet conditions. The formation of a lubricating film at the bearing interfaces helps to reduce friction, minimize wear, and maintain smooth operation, even in the presence of moisture or corrosive elements.

5. Design Considerations:

The design considerations for POM bearings can further enhance their performance in wet or corrosive environments. For example, incorporating effective sealing systems can provide an additional layer of protection against water and contaminants. Proper sealing helps to maintain the integrity of the lubricating film, prevent water ingress, and minimize the risk of corrosion or surface damage. Additionally, selecting appropriate bearing clearances, materials for seals, and lubrication methods can optimize the performance of POM bearings in specific wet or corrosive applications.

Overall, POM bearings are well-suited for wet or corrosive environments due to their moisture resistance, low water absorption, corrosion resistance, self-lubricating properties, and design flexibility. However, it is essential to consider the specific operating conditions and consult with bearing manufacturers or industry experts to ensure the selection of the most suitable bearing type and design for the intended application in such environments.

pom bearing

What are POM bearings, and where are they commonly used in machinery?

POM bearings, also known as polyoxymethylene bearings or acetal resin bearings, are a type of plain bearing made from a material called polyoxymethylene (POM) or acetal resin. POM is a high-performance engineering plastic known for its excellent wear resistance, low friction properties, and dimensional stability. POM bearings offer several advantages and are commonly used in various machinery applications. Here’s more information about POM bearings and their common uses:

1. Material Properties: POM bearings are known for their desirable material properties. Some key characteristics of POM include:

  • Excellent wear resistance: POM bearings exhibit low wear rates, making them suitable for applications with continuous sliding or rotational motion.
  • Low friction coefficient: POM has a low coefficient of friction, resulting in reduced energy loss and improved efficiency.
  • Good dimensional stability: POM exhibits minimal swelling or deformation under different environmental conditions, ensuring consistent performance over time.
  • High stiffness: POM has a high stiffness-to-weight ratio, providing rigidity and stability in bearing applications.
  • Chemical resistance: POM is resistant to many chemicals, oils, and solvents commonly encountered in machinery applications.

2. Common Applications: POM bearings find widespread use in various machinery and equipment applications, including:

  • Automotive Industry: POM bearings are commonly used in automotive applications such as window mechanisms, seat adjusters, door handles, and steering column components. Their low friction and wear resistance properties make them suitable for high-performance automotive systems.
  • Electrical and Electronics: POM bearings are utilized in electrical and electronic equipment, including printers, scanners, copiers, and cameras. Their low friction and dimensional stability make them ideal for precision mechanisms.
  • Textile Machinery: POM bearings are employed in textile machinery, including spinning machines, looms, and knitting machines. They provide smooth and reliable motion in high-speed textile operations.
  • Food Processing Industry: POM bearings are widely used in food processing machinery due to their excellent corrosion resistance, low moisture absorption, and FDA compliance. Applications include conveyor systems, packaging equipment, and food handling machinery.
  • Medical Equipment: POM bearings are suitable for medical equipment due to their biocompatibility, low friction, and resistance to sterilization processes. They can be found in applications such as surgical instruments, imaging equipment, and laboratory devices.
  • Industrial Machinery: POM bearings are utilized in various industrial machinery applications, including pumps, valves, conveyors, and material handling equipment. Their durability, low friction, and resistance to wear make them suitable for demanding industrial environments.

POM bearings offer reliable performance, reduced maintenance requirements, and extended service life in a wide range of machinery applications. However, it’s important to consider the specific requirements of the application, load conditions, and other environmental factors when selecting POM bearings to ensure optimal performance and longevity.

China Custom Stainless Steel Submersible Borehole Water Pump C&U Bearing   bearing driverChina Custom Stainless Steel Submersible Borehole Water Pump C&U Bearing   bearing driver
editor by CX 2024-05-07

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