China best Flexible HDPE Pipe Couplings for Cast Iron and Plastic Pipe Connections, Black

Product Description

HDPE pipe can be used in a variety of applications, the product is cheaper than other pipes and easy to construct. Widely used in water supply system, agricultural irrigation, fire water supply system.

PE pipe fittings and pipe fittings professional manufacturers export to all over the world quality products, quality service

Product Description

Application area:

1) Pipe for hot and cold water,drinking water system

2) Pipe for heating ,floor and wall warming system, melting snow in north building

3) Pipe for solar heating system ,hot and cold device

 

4) Pipe for transproting oil and coling liquid

5) Pipe for air contaditioning external connecting

6) Pipe for transporting oxygen in hospital

 

Product Parameters

 

Part Material
Body(A) Polypropylene co-polymer(PP-B) of exceptional mechanical properties even at high temperature.
Blocking bush(D) Polypropylene
Nut(B) Polypropylene with dye master of high stability to UV rays andsolidity to heat( S grade according to standard DIN54004)
Clinching ring(C) Polyacetal resin(POM)with high mechanical resistance And hardness
O Ring gasket(E) Special elastomeric rubber(EPDM) for alimentary use
Reinforcing ring AISI 430 (UNI X8Cr17,W,nr 14828)Stainless steel for female threads from 1"to 4"

Material: PE,
Sizes: 20mm to1200mm
Pressure Rating:  10MPa, 16MPa, 20MPa, 30MPa
Colors: black or other colors on request

product standard
specification 20 25 32 40 50 63 75 90 110
                   

All pipes and fittings produce with 100% virgin material . 

 

inch dn (mm) SDR/PN         
SDR26/0.6MPa SDR21/0.8MPa SDR17/1.0MPa SDR13.6/1.25MPa SDR11/1.6MPa
Thickness Thickness Thickness Thickness Thickness
mm mm mm mm mm
1/2" 20         2.3 
3/4" 25         2.3 
1" 32     2.3 2.4  3.0 
1 1/4" 40   2.3 2.4 3.0  3.7 
1 1/2" 50 2.3 2.4 3.0  3.7  4.6 
2" 63 2.5 3.0  3.8 4.7  5.8 
2 1/2" 75 2.9 3.6 4.5 5.6  6.8 
3" 90 3.5 4.3 5.4 6.7  8.2 
4" 110 4.2 5.3 6.6 8.1  10 
4 1/2" 125 4.8 6.0  7.4 9.2  11.4 
5" 140 5.4 6.7  8.3 10.3  12.7 
6" 160 6.2 7.7 9.5 11.8  14.6 
7" 180 6.9 8.6 10.7 13.3  16.4 
8" 200 7.7 9.6 11.9 14.7  18.2 
9" 225 8.6 10.8 13.4 16.6  20.5 
10" 250 9.6 11.9 14.8 18.4  22.7 
11" 280 10.7 13.4 16.6 20.6  25.4 
12" 315 12.1 15.0  18.7 23.2  28.6 
14" 355 13.6 16.9 21.1 26.1  32.2 
16" 400 15.3 19.1 23.7 29.4  36.3 
18" 450 17.2 21.5 26.7 33.1  40.9 
20" 500 19.1 23.9 29.7 36.8  45.4 
22" 560 21.4 26.7 33.2 41.2  50.8 
24" 630 24.1 30.0  37.4 46.3  57.2 
28" 710 27.2 33.9 42.1 52.2 64.6
32" 800 30.6 38.1 47.4 58.8 72.7

 

Installation Instructions

 

 

other products

The company produces various other PPR pipes and accessories if you need to click the home page to see more.

What fittings are used with HDPE pipe?

HDPE Pipe Fittings

  • Thermal Butt (Butt fusion)
  • Thermal bushing.
  • Electro Fusion.
  • Flange.
  • Extrusion.
  • Bolting.
  • Rubber gasket latching.

 

 

Company Profile

  ZheJiang Shitong Plastic Co., LTD. Registered address is located in North ShiHangZhou Village, Xihu (West Lake) Dis.cheng District, HangZhou City, registered authority is Xihu (West Lake) Dis.cheng District Market Supervision Administration, legal representative for CZPT Wentao, business scope includes plastic plate, pipe, profile manufacturing. Water supply and drainage pipe and pipe fittings production, processing, marketing; Building materials, hardware tools, mechanical and electrical products, wires, cables, electrical switches, daily necessities, electrical wholesale, retail; It is engaged in the export business of its own products and technologies and the import business of raw and auxiliary materials, instruments and meters, machinery and equipment, spare parts and technologies needed by its own enterprises, except the commodities and technologies that are restricted by the state or prohibited from being imported and exported; Municipal engineering, construction and installation engineering, housing construction engineering, landscape engineering, water conservancy engineering, pipeline engineering, fire protection engineering, indoor and outdoor decoration engineering, bridge engineering, environmental protection engineering construction.

certificate

 

 

Our Advantages

1. Create high quality, low price and low profit, small profits but quick turnover.
2. The pipe fittings of the manufacturer can be customized to meet your wishes.
3. Professional construction experience and production experience can reasonably reduce costs for your needs.
4. We own complete testing equipment to ensure quality.

FAQ

 

1.Are you a factory or a trading company?
We are a foreign trade team formed by the internal staff of the factory.
2.How is your manufacturing capability?
China's old-fashioned manufacturer, the domestic market has cooperated with the local government and local leading construction companies for decades.
3.What services can you provide?
Problems encountered in the construction can be solved. If there is a problem with the pipeline, we will try our best to solve it or reissue it later.
4.Can you change the size for customers?
Of course, the product will be customized according to your needs, but the payment method requires a larger deposit in advance.
5.What are the advantages of your product?
High quality medium quality according to your needs, but fully up to standard and meet your needs, the price is lower than the market price.
6.Can you provide samples?
Yes, but you need to pay for shipping.
7.What are your payment terms?
We accept TT and L/C, and we will issue an account after multiple cooperations.
8.How is the delivery time?
Depending on the quantity of goods, most requirements are generally met within 20 days.
9.Why choose us?
Decades of production experience and construction experience will help you more than the sales value.

flexible coupling

How do you install and align a flexible coupling properly to ensure optimal performance?

Proper installation and alignment of a flexible coupling are essential to ensure its optimal performance and longevity. Incorrect installation can lead to premature wear, increased vibrations, and potential equipment failure. Below are the steps to install and align a flexible coupling properly:

1. Pre-Installation Inspection:

Before installation, inspect the flexible coupling and its components for any visible damage or defects. Check that the coupling's size and specifications match the application requirements. Ensure that the shafts and equipment connected to the coupling are clean and free from debris.

2. Shaft Preparation:

Prepare the shafts by removing any oil, grease, or contaminants from the surfaces that will come into contact with the coupling. Ensure that the shaft ends are smooth and free from burrs that could affect the fit of the coupling.

3. Coupling Hub Installation:

Slide the coupling hubs onto the shafts, ensuring they are positioned securely and evenly on each shaft. Use a lubricant recommended by the manufacturer to facilitate the installation and ensure a proper fit.

4. Alignment:

Proper alignment is critical for the performance and longevity of the flexible coupling. Align the shafts by checking both angular and parallel misalignment. Utilize precision alignment tools, such as dial indicators or laser alignment systems, to achieve accurate alignment. Follow the manufacturer's alignment specifications and tolerance limits.

5. Tightening Fasteners:

Once the shafts are properly aligned, tighten the coupling's fasteners to the manufacturer's recommended torque values. Gradually tighten the fasteners in a cross pattern to ensure even distribution of the load on the coupling hubs. Avoid over-tightening, as it may cause distortion or damage to the coupling.

6. Run-Out Check:

After installation, perform a run-out check to verify that the coupling's rotating components are balanced and aligned. Excessive run-out can lead to vibrations and reduce the coupling's performance. If significant run-out is detected, recheck the alignment and address any issues that may be causing it.

7. Lubrication:

Ensure that the flexible coupling is adequately lubricated, following the manufacturer's recommendations. Proper lubrication reduces friction and wear, enhancing the coupling's efficiency and reliability.

8. Periodic Inspection and Maintenance:

Regularly inspect the flexible coupling for signs of wear, misalignment, or damage. Address any issues promptly to prevent further problems. Depending on the coupling type and application, scheduled maintenance may include re-greasing, re-alignment, or replacing worn components.

Summary:

Proper installation and alignment are crucial for ensuring the optimal performance and longevity of a flexible coupling. Following the manufacturer's guidelines, inspecting the components, achieving accurate alignment, and using the appropriate lubrication are key steps in the installation process. Regular inspection and maintenance help to identify and address potential issues, ensuring the coupling continues to operate smoothly and efficiently in the mechanical system.

flexible coupling

What are the common signs of wear and failure in flexible couplings?

Flexible couplings can experience wear and failure over time, which may lead to operational issues and potential equipment damage. Some common signs of wear and failure in flexible couplings include:

  • Excessive Vibrations: An increase in vibrations during operation can indicate wear or misalignment in the flexible coupling. Excessive vibrations can also lead to additional wear on connected equipment.
  • Strange Noises: Unusual noises, such as squealing, rattling, or clunking sounds, may indicate misalignment, fatigue, or damaged elements in the flexible coupling.
  • Increased Heat: If a flexible coupling is operating at a higher temperature than usual, it could indicate increased friction due to wear or improper lubrication.
  • Visible Damage: Physical inspection may reveal visible signs of wear, such as cracks, tears, or distortion in the flexible coupling's components.
  • Reduced Performance: A decrease in the performance of the connected machinery, such as lower speed or torque transmission, may be a sign of coupling wear.
  • Looseness or Play: Excessive play or looseness in the coupling may indicate worn or damaged components, which can lead to misalignment and decreased efficiency.
  • Leakage: In the case of fluid-filled couplings, leakage of the fluid can indicate seal damage or wear in the coupling.
  • Cracks or Corrosion: Cracks or signs of corrosion on metallic components of the coupling can indicate material fatigue or exposure to harsh environmental conditions.
  • Uneven Wear: Uneven wear patterns on coupling elements or unusual wear at specific points can be indicative of misalignment or excessive torque.
  • Increased Friction: If the flexible coupling starts to exhibit increased resistance or friction during operation, it may be a sign of wear or inadequate lubrication.

Regular maintenance and inspection are essential to identify these signs of wear and failure early on and prevent further damage to the flexible coupling and connected equipment. Timely replacement or repair of worn or damaged components can help maintain the reliability and efficiency of the system.

flexible coupling

How does a flexible coupling affect the noise and vibration levels in a mechanical system?

A flexible coupling plays a crucial role in controlling noise and vibration levels in a mechanical system. It can significantly impact the overall smoothness and quietness of the system's operation, contributing to enhanced performance and reduced wear on connected components.

Noise Reduction:

Flexible couplings help reduce noise in a mechanical system through their inherent ability to dampen vibrations. When the shafts of rotating machinery are not perfectly aligned, it can lead to vibrations that are transmitted throughout the system, resulting in noise generation. The elastomeric or flexible element of the coupling acts as a vibration dampener, absorbing and dissipating these vibrations. As a result, the noise levels in the system are reduced, creating a quieter operating environment.

Vibration Damping:

Vibrations in a mechanical system can lead to increased wear and tear on critical components, such as bearings, seals, and gears. Excessive vibrations can also cause resonance and damage to the system over time. Flexible couplings can effectively dampen vibrations by acting as a buffer between the driving and driven shafts. The flexible element absorbs the shock and vibrations, preventing them from propagating to other parts of the system. This vibration damping capability not only reduces noise but also protects the system from potential mechanical failures, extending the lifespan of the equipment.

Alignment Compensation:

Misalignment between shafts is a common cause of vibration and noise in rotating machinery. Flexible couplings excel at compensating for both angular and parallel misalignment. By accommodating misalignment, the coupling reduces the forces acting on the shafts and minimizes the generation of vibrations and noise. Proper alignment through the use of a flexible coupling ensures that the system operates smoothly and quietly.

Effect on Equipment Reliability:

Reducing noise and vibration levels has a positive impact on the reliability of connected equipment. Lower vibrations mean less stress on bearings and other rotating components, leading to extended component life and reduced maintenance requirements. A quieter operating environment can also be essential for certain applications, such as in laboratories or precision manufacturing processes, where excessive noise can interfere with delicate tasks or measurements.

Applications:

Flexible couplings find application in a wide range of industries, such as manufacturing, power generation, material handling, automotive, aerospace, and robotics. They are commonly used in pumps, compressors, fans, conveyors, and other rotating machinery where noise and vibration control are critical for smooth and reliable operation.

Summary:

A flexible coupling's ability to reduce noise and dampen vibrations makes it an essential component in mechanical systems. By compensating for misalignment and providing vibration dampening properties, the flexible coupling enhances the overall system performance, reduces noise levels, and protects connected equipment from excessive wear and mechanical failures. Choosing the right type of flexible coupling based on the specific application requirements can have a significant impact on noise reduction and vibration control in the mechanical system.

China best Flexible HDPE Pipe Couplings for Cast Iron and Plastic Pipe Connections, Black  China best Flexible HDPE Pipe Couplings for Cast Iron and Plastic Pipe Connections, Black
editor by CX 2023-09-13