PN16 Plumbing Plastic Pipe Fitting PPH pipe fittings
1. Product Introduction
Item Name: PPH Fitting
Material: PPH, High quality, 100%new material
Standard: According to GB/T 18742.2 which consist with DIN: 8078/8077
Pressure: Normal/low/high pressure
Temperature: Hot and cold temperature
Color: Brown Red
Packing: Inside bags, export cartons
SIZE: 1/2″ to 2″
2, PPH Fittings Parameters
1) Healthy, bacteriological neutral, conforming to drinking water standards
2) Resistant to high temperatures, good impact strength
3) Convenient and reliable installation, low construction expenses
4) Excellent heat-insulation property from minimum thermal conductivity
5) Lightweight, convenient to transport and handle, good for labor-saving
6) Smooth inner walls reduce pressure loss and increase flow speed
7) Sound insulation (reduced by 40% compared to galvanized steel pipes)
8) Light colors and excellent design ensure suitability for both exposed and hidden installation
9) Recyclable, environment-friendly, accords with CZPT standards
10) Extremely long usage life for at least 50 years
1) Potable water For cold and warm water installations
2) For rainwater utilization systems
3) For compressed air plants
4) For swimming pool facilities
5) For solar plants
6) For agriculture and horticulture
7) Heating pipes for residential housing
8) For industry.
3, PPH Fittings Size and Specification
4, PPH PIPE FITTINGS OUR PACKING WAY AND EXPORT PHOTO
5, About us
HangZhou Xihu (West Lake) Dis.ang Huiya International Trade Co., Ltd (Set up in 2012) is a professional supply plastic valve/fitting and irrigation products company!
We can be flexible operation, fast professional services, matching to help customers purchase building materials demand products!
We supply detail like kinds of PVC ball valve, PVC union valve, butterfly valve, PVC fitting, PP fitting, PP saddle clamp, sprinkler, PVC layflat hose, drip pipe and so on other for irrigation use prodcuts.
Our development philosophy is
1, Quality first, customer supreme!
2, Keep innovate and keep going beyond!
3, Unique to stay ahead!
We sincerely invite all domestic and overseas clients to come to advise and cooperation.
6, Why choose QX?
(1) We provide OEM service and submit Various styles, latest designs to our clients;
(2) We work with big customers in Southeast Asia, Africa, Middle east, North America, South America;
(3) According to the needs of customers in different regions, we match different quality and thickness valves with various styles, so that our customers are very competitive in the market!
(4) Our high quality PVC valve can be consistent with European and American national brand valves!
(5) We have great experience on providing high quality products and most professional service to clients about 10 years more!
(6) Customers choose our products, can mix and match our PVC pipe fittings, PVC butterfly valves, PP Fittings, irrigation products to buy together, so that the customer product line is more abundant, both quality and delivery time are guaranteed.
(7) We can flexible from China any port export ! Welcome you inquiry us!
Send to us your inquiry if you interested to them or need them! We will doing the best for you!
What are the key features to look for when purchasing a flexible coupling?
When purchasing a flexible coupling, several key features should be considered to ensure it meets the specific requirements of the application and provides reliable performance. The following are the key features to look for:
- 1. Type of Coupling: There are different types of flexible couplings available, such as jaw couplings, beam couplings, bellows couplings, disc couplings, and more. Each type has its advantages and limitations, so choosing the right type depends on factors like misalignment compensation needed, torque capacity, and application requirements.
- 2. Material: The material of the coupling is crucial for its durability and performance. Common materials include stainless steel, aluminum, steel, and various elastomers. Select a material that can withstand the environmental conditions, loads, and temperature ranges of the application.
- 3. Size and Dimensions: Ensure that the coupling’s size and dimensions match the shaft sizes and available space in the system. Oversized or undersized couplings may lead to inefficiencies, misalignment, and reduced performance.
- 4. Torque Rating: Consider the maximum torque the coupling can handle to ensure it can transmit the required power without failure or damage.
- 5. Speed Rating: Check the coupling’s maximum rotational speed capability to ensure it can handle the desired operating speed without issues.
- 6. Misalignment Compensation: Different couplings offer varying degrees of misalignment compensation, such as angular, parallel, and axial misalignment. Choose a coupling that can accommodate the expected misalignments in the system.
- 7. Backlash: For precision applications, consider couplings with minimal or zero-backlash to prevent motion inaccuracies and ensure precise positioning.
- 8. Operating Environment: Assess the environmental conditions, including temperature, humidity, dust, and chemical exposure, and select a coupling with suitable resistance to these factors.
- 9. Maintenance: Decide whether maintenance-free couplings or those requiring periodic lubrication align better with the application’s requirements and maintenance schedule.
- 10. Electrical Isolation: If required, choose couplings with electrical isolation features to prevent current flow between connected shafts.
- 11. Dynamic Behavior: Evaluate the coupling’s dynamic performance, including resonance and damping characteristics, to ensure smooth operation under various loads and speeds.
- 12. Application Compatibility: Verify that the selected coupling is suitable for the specific application, such as pumps, compressors, robotics, automation, or other industrial processes.
Summary: When purchasing a flexible coupling, consider factors such as the type of coupling, material, size, torque rating, speed rating, misalignment compensation, backlash, operating environment, maintenance, electrical isolation, dynamic behavior, and application compatibility. Careful consideration of these features will ensure that the coupling meets the demands of the application, provides reliable performance, and contributes to the overall efficiency of the mechanical system.
What are the differences between single and double flexible coupling designs?
Single and double flexible couplings are two common designs used for power transmission in various mechanical systems. Here are the main differences between the two:
- Design: The primary difference lies in their configuration. A single flexible coupling consists of one flexible element connecting two shafts, while a double flexible coupling, also known as a two-piece flexible coupling, uses two flexible elements with an intermediate shaft in between. The double flexible coupling resembles two single couplings connected in series.
- Torsional Flexibility: Single flexible couplings typically provide greater torsional flexibility than double flexible couplings. The presence of an intermediate shaft in the double coupling design adds some rigidity and reduces the overall torsional flexibility of the system.
- Compensation of Misalignment: Both single and double flexible couplings can compensate for angular and parallel misalignment between shafts. However, due to its additional flexible element, the double flexible coupling may have slightly better misalignment compensation capabilities.
- Length and Space: Single flexible couplings are generally shorter in length compared to double flexible couplings. The double flexible coupling’s design requires additional space to accommodate the intermediate shaft, making it longer than the single coupling.
- Shaft Separation: Single flexible couplings connect the two shafts directly without any intermediate components, while the double flexible coupling separates the shafts using an intermediate shaft. This shaft separation in the double design can be advantageous in certain applications.
- Stiffness: The double flexible coupling tends to be slightly stiffer than the single flexible coupling due to the presence of the intermediate shaft, which may affect its ability to absorb vibrations and shock loads.
- Application: Single flexible couplings are commonly used in various applications, including pumps, compressors, fans, and general power transmission systems. Double flexible couplings are often preferred in applications where a higher level of torsional stiffness is required, such as certain industrial machinery.
Both single and double flexible coupling designs have their advantages and are suitable for different types of machinery and power transmission requirements. The choice between the two depends on factors such as the specific application, the level of misalignment compensation needed, the available space, and the desired torsional flexibility for the system.
Can flexible couplings be used in applications with varying operating temperatures?
Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.
For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.
Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.
Temperature Range Considerations:
When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.
Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.
Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.
In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.
editor by CX 2023-08-18