China Good quality 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

Can flexible couplings be used in precision motion control systems?

Yes, flexible couplings can be used in precision motion control systems, but careful consideration must be given to their selection and application. Precision motion control systems require high accuracy, repeatability, and minimal backlash. Flexible couplings can play a crucial role in such systems when chosen appropriately and used in the right conditions.

Selection Criteria: When selecting a flexible coupling for a precision motion control system, several key factors should be considered:

  • Backlash: Look for couplings with minimal or no backlash to ensure accurate motion transmission and precise positioning.
  • Torsional Stiffness: Choose a coupling with sufficient torsional stiffness to minimize torsional deflection and maintain accurate motion control.
  • Misalignment Compensation: Ensure the coupling can accommodate the required misalignment without introducing significant variations in motion accuracy.
  • Dynamic Performance: Evaluate the coupling's dynamic behavior under varying speeds and loads to ensure smooth and precise motion control during operation.
  • Material and Construction: Consider the material and construction of the coupling to ensure it can withstand the specific environmental conditions and loads of the motion control system.
  • Size and Space Constraints: Choose a compact and lightweight coupling that fits within the available space and does not add excessive inertia to the system.

Applications: Flexible couplings are commonly used in precision motion control systems, such as robotics, CNC machines, semiconductor manufacturing equipment, optical systems, and high-precision measurement instruments. They help transmit motion from motors to various components, such as lead screws, spindles, or precision gears, while compensating for misalignments and providing shock and vibration absorption.

Specialized Couplings: For ultra-high precision applications, specialized couplings, such as zero-backlash or torsionally rigid couplings, may be preferred. These couplings are designed to provide precise motion transmission without any play or torsional deflection, making them suitable for demanding motion control tasks.

Installation and Alignment: Proper installation and alignment are critical to achieving optimal performance in precision motion control systems. Precise alignment of the coupling and connected components helps maintain accurate motion transmission and minimizes eccentricities that could impact the system's precision.

Summary: Flexible couplings can indeed be used in precision motion control systems when chosen and applied correctly. By considering factors like backlash, torsional stiffness, misalignment compensation, and dynamic performance, users can select the right coupling to ensure high accuracy, repeatability, and reliable motion control in their specific application.

flexible coupling

What are the differences between flexible couplings and rigid couplings in terms of performance?

Flexible couplings and rigid couplings are two distinct types of couplings used in mechanical systems, and they differ significantly in terms of performance and applications.

  • Torsional Flexibility: The primary difference between flexible and rigid couplings lies in their ability to handle misalignments and torsional flexibility. Flexible couplings are designed with elements, such as elastomeric inserts or metal bellows, that can deform or twist to accommodate shaft misalignments, angular offsets, and axial movements. On the other hand, rigid couplings do not have any flexibility and maintain a fixed connection between the shafts, which means they cannot compensate for misalignment.
  • Misalignment Compensation: Flexible couplings can absorb and mitigate misalignment between shafts, reducing stress and wear on connected components. In contrast, rigid couplings require precise alignment during installation, and any misalignment can lead to increased loads on the shafts and bearings, potentially leading to premature failure.
  • Vibration Damping: Flexible couplings, especially those with elastomeric elements, offer damping properties that can absorb and dissipate vibrations. This damping capability reduces the transmission of vibrations and shocks through the drivetrain, improving the overall system performance and protecting connected equipment. Rigid couplings, being solid and without damping elements, do not provide this vibration damping effect.
  • Backlash: Flexible couplings can have some degree of backlash due to their flexibility, particularly in certain designs. Backlash is the play or free movement between connected shafts. In contrast, rigid couplings have minimal or no backlash, providing a more precise and immediate response to changes in rotational direction.
  • Torque Transmission: Rigid couplings are more efficient in transmitting torque since they do not have any flexible elements that can absorb some torque. Flexible couplings, while capable of transmitting substantial torque, may experience some power loss due to the deformation of their flexible components.
  • Applications: Flexible couplings are widely used in applications that require misalignment compensation, damping, and shock absorption, such as pumps, motors, and industrial machinery. On the other hand, rigid couplings are used in situations where precise alignment is critical, such as connecting shafts of well-aligned components or shafts that require synchronous operation, like in some encoder applications.

In summary, flexible couplings excel in applications where misalignment compensation, vibration damping, and shock absorption are required. They are more forgiving in terms of alignment errors and can accommodate dynamic loads. Rigid couplings, on the other hand, are used in situations where precise alignment and zero backlash are essential, ensuring direct and immediate power transmission between shafts.

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 Good quality Flexible HDPE Pipe Couplings for Cast Iron and Plastic Pipe Connections, Black  China Good quality Flexible HDPE Pipe Couplings for Cast Iron and Plastic Pipe Connections, Black
editor by CX 2023-08-08

flexible shaft coupling

As one of leading flexible shaft coupling manufacturers, suppliers and exporters of products, We offer flexible shaft coupling and many other products.

Please contact us for details.

Mail:[email protected]

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