Product Description
Product Description
PPR pipe fittings is used to connect PPR pipe . ppr pipe fittings has many colors like white ,green and grey. Green is most poplar among African market. ppr hot water pipe fittings is used to connect PPR hot water pipe. Can bear PN25 pressure.green ppr pipe fittings is used to connect PPR pipe . ppr pipe fittings has many colors like white ,green and grey. Green is most poplar among African market. ppr hot water pipe fittings is used to connect PPR hot water pipe. Can bear PN25 pressure.
Product Parameters
| Unit/mm | PN 1.0MPa | PN 1.6MPa | PN 2.0MPa | PN 2.5MPa |
| Outer Diameter | Wall Thickness | Wall Thickness | Wall Thickness | Wall Thickness |
| 20 | 2.3 | 2.3 | 2.8 | 3.4 |
| 25 | 2.3 | 2.8 | 3.5 | 4.2 |
| 32 | 2.9 | 3.6 | 4.4 | 5.4 |
| 40 | 3.7 | 4.6 | 5.5 | 6.7 |
| 50 | 4.6 | 5.6 | 6.9 | 8.3 |
| 63 | 5.8 | 7.1 | 8.6 | 10.5 |
| 75 | 6.8 | 8.4 | 10.3 | 12.5 |
| 90 | 8.2 | 10.1 | 12.3 | 15 |
| 110 | 10.1 | 12.3 | 15.1 | 18.3 |
| 160 | 14.6 | 17.9 | 23.3 | 26.6 |
Product characteristics
1) High Temperature Resistance: the maximum sustained working temperature is up to 70 Degrees Celsius, the maximum transient temperature is up to 95 Degrees Celsius.
(2) Heat Preservation: low thermal conductivity which is only 1/1500 of brass pipe, and 1/250 of steel pipe.
Non-toxic: no heavy metal additives would not be covered with dirty or contaminated by bacterium.
(3) Corrosion Resistant: resist chemical matters or electron chemical corrosion.
(4) Lower Installation Costs: light weight and ease of installation can reduce installation costs by as much as 50% over metal piping system.
(5) Higher Flow Capacity: smooth interior walls result in lower pressure loss and higher volume than metal pipes.
(6) Long Life: more than 50 years under normal conditions.
(7) Recycled and Environment-friendly.
Blockage caused by scale
| Material | PP from sinopec |
| Specification | from DN20mm to DN160mm |
| Pressure Rating | 1.25MPa, 1.6MPa, 2.0Mpa, 2.5Mpa |
| Certification | CE, SGS, ISO, CNAS, IAF |
| Connection | Welding |
| Color | green and white with blue,red line or Customized |
Applications
·Cold and hot water supply
·Heating system including flooring heating,wall heating and radiant system
·Central air conditioning system
·Industrial Industrial liquids transportation
Detailed Photos
High Temperature Resistance: the maximum sustained working temperature is up to 70 Degrees Celsius, the maximum transient temperature is up to 95 Degrees Celsius.
Heat Preservation: low thermal conductivity which is only 1/1500 of brass pipe, and 1/250 of steel pipe.
Non-toxic: no heavy metal additives would not be covered with dirty or contaminated by bacterium.
Corrosion Resistant: resist chemical matters or electron chemical corrosion.
Lower Installation Costs: light weight and ease of installation can reduce installation costs by as much as 50% over metal piping system.
Long Life: more than 50 years under normal conditions.
Recycled and Environment-friendly.
Company Profile
Our History
ZheJiang Kangyu Pipe Industry Co., Ltd., founded in 2000, as a professional manufacturer and exporter specializing in the productions of PP-R, HDPE, PVC, PE-RT, PB plastic pipes, and fittings. Located in HangZhou City, ZheJiang province, China, we are close to HangZhou port.
We devote ourselves continuously to international trade and supply pipeline dealers who come from all over the world with customized services.
Our Factory
In order to build a modern factory, we invest in a series of professional mechanical equipment. The annual output amounts to 30000 tons, which can fill up 3000 containers.
The excellent machinery and consummate management system can reduce cost, shorten delivery time and ensure the quality of every product.
Certifications
We have passed CE, SGS, ISO, CNAS, IAF certification and our products compound international standards
FAQ
Q1: May I get 1 sample before placing order?
A: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.
Q2: Which payment is available for your company?
A: T/T, L/C or Ali trade insurance. You can choose the 1 which is convenient for you.
Q3: How and when can I get my goods after payment?
A: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery. For large quantity products,shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.
Q4: Is there any possible to use my appointed label or package?
A: Yes. If needed, we’d like to use label or package according to your requirement.
Q5: How can you guarantee the goods you offer is qualified?
A: We always believe honesty and responsibility are basis of 1 company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.
Q6: Is the price on this page correct?
A: The listed price is only for reference, for latest price, pls contact us directly.
Q7: How can I get some samples?
A: We are honored to offer you free samples, just need to pay the freight cost.
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What are the temperature and environmental limitations of flexible couplings?
Flexible couplings are designed to operate within certain temperature and environmental limitations to ensure optimal performance and longevity. The specific limitations may vary depending on the type and material of the coupling. Here are the general considerations:
- Temperature Range: The temperature range in which a flexible coupling can operate is crucial. High temperatures can affect the material properties, leading to reduced flexibility and potential failure. Low temperatures can cause the material to become brittle and lose its ability to accommodate misalignment. It’s essential to choose a coupling suitable for the intended temperature range of the application.
- Corrosive Environments: In environments with corrosive substances, such as acids, chemicals, or saltwater, it is essential to select a flexible coupling made of materials that are resistant to corrosion. Stainless steel and certain polymers are commonly used in such environments to prevent degradation and maintain the coupling’s integrity.
- Hygienic Environments: For applications in food processing, pharmaceuticals, or cleanrooms, hygienic design is critical. Flexible couplings used in these environments should be easy to clean, made of materials that are non-toxic and resistant to contamination, and free from crevices or pockets where debris can accumulate.
- Explosive or Hazardous Atmospheres: In environments where explosive or hazardous gases, vapors, or dust are present, flexible couplings with anti-static properties or explosion-proof certifications may be necessary to prevent the risk of ignition and ensure safety.
- Outdoor Applications: For outdoor installations, flexible couplings should be able to withstand exposure to weather conditions, UV radiation, and temperature fluctuations. Couplings with weather-resistant properties are suitable for such applications.
- High-Speed Applications: In high-speed applications, the centrifugal forces on the flexible coupling increase with rotational speed. Couplings designed for high-speed applications should be balanced to minimize vibrations and ensure smooth operation.
- Shock and Impact Loads: Flexible couplings used in applications with significant shock or impact loads should have the ability to dampen and absorb these forces to protect connected equipment from damage.
- Continuous vs. Intermittent Duty: Some flexible couplings are designed for continuous-duty applications, while others are suitable for intermittent duty or start-stop operations. The coupling’s design and material should match the specific duty cycle requirements.
It is essential to consult with the coupling manufacturer or supplier to understand the temperature and environmental limitations of a specific coupling model. Proper selection and application of flexible couplings within their defined limitations contribute to reliable and efficient performance in various industrial and mechanical systems.
What are the maintenance intervals and practices for extending the life of a flexible coupling?
Proper maintenance of a flexible coupling is essential to ensure its longevity and reliable performance. The maintenance intervals and practices for flexible couplings may vary depending on the coupling type, application, and operating conditions. Here are some general maintenance guidelines to extend the life of a flexible coupling:
- Regular Inspection: Conduct visual inspections of the coupling regularly to check for signs of wear, damage, or misalignment. Look for cracks, tears, corrosion, or any other visible issues.
- Lubrication: Some flexible couplings may require periodic lubrication to reduce friction and wear. Refer to the manufacturer’s guidelines for the appropriate lubrication type and schedule.
- Alignment Checks: Ensure that the connected shafts remain properly aligned. Misalignment can lead to premature wear and failure of the coupling and other components.
- Torque Monitoring: Monitor the torque levels in the system and ensure they are within the coupling’s rated capacity. Excessive torque can overload the coupling and cause damage.
- Temperature and Environmental Considerations: Ensure that the operating temperatures and environmental conditions are within the coupling’s specified limits. Extreme temperatures, aggressive chemicals, or corrosive environments can impact the coupling’s performance.
- Inspection After Shock Loads: If the system experiences shock loads or unexpected impacts, inspect the coupling for any signs of damage immediately.
- Replace Damaged or Worn Couplings: If any damage or wear is detected during inspections, replace the flexible coupling promptly to avoid potential failures.
- Periodic Re-Tightening: For certain coupling designs, periodic re-tightening of fasteners may be necessary to maintain proper clamping force.
- Follow Manufacturer’s Guidelines: Always follow the maintenance instructions provided by the coupling manufacturer. They can provide specific recommendations based on the coupling model and application.
It is crucial to develop a maintenance plan specific to the application and coupling type. Regularly scheduled maintenance, adherence to recommended practices, and proactive inspection can help identify issues early and prevent costly breakdowns. Additionally, record-keeping of maintenance activities can provide valuable data on the coupling’s performance and aid in future maintenance decisions.
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.
editor by CX 2024-04-08