Product Description

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

Properties: 
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 CHINAMFG standards
10) Extremely long usage life for at least 50 years

Applications: 
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!

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How does a flexible coupling contribute to the longevity of connected equipment?

A flexible coupling plays a crucial role in enhancing the longevity of connected equipment in various ways. It acts as a mechanical interface between two shafts, connecting them while accommodating misalignment, dampening vibrations, and transmitting torque. Here’s how a flexible coupling contributes to the longevity of connected equipment:

• Misalignment Compensation: One of the primary functions of a flexible coupling is to compensate for both angular and parallel misalignment between two shafts. Misalignment can occur due to various factors, including thermal expansion, assembly errors, or settling of foundation, which can exert excessive stress on the connected equipment. By allowing misalignment, the flexible coupling reduces the stress transmitted to the shafts and connected components, preventing premature wear and failure.
• Shock and Vibration Dampening: Flexible couplings are designed to absorb shocks and dampen vibrations that occur during operation. Vibrations and shocks can be detrimental to connected equipment, leading to fatigue, wear, and premature failure of components. The coupling acts as a buffer, reducing the impact of vibrations and protecting the equipment from potential damage.
• Reduced Stress Concentration: A rigid coupling can create stress concentration points on the shafts, leading to fatigue and cracking over time. Flexible couplings distribute the load more evenly along the shafts, reducing stress concentration and minimizing the risk of failure.
• Transmitting Torque Smoothly: Flexible couplings transmit torque from one shaft to another smoothly, without introducing sudden torque spikes or shocks. This even torque transfer prevents sudden loading on connected equipment, minimizing the risk of damage or accelerated wear on gears, bearings, and other components.
• Controlling Torsional Vibrations: In systems where torsional vibrations are a concern, certain types of flexible couplings are designed to address this issue. These couplings help control torsional vibrations, which can be damaging to the equipment and cause premature failure.
• Thermal Expansion Compensation: When the equipment operates at different temperatures, thermal expansion can lead to misalignment between the shafts. A flexible coupling can accommodate the thermal expansion, ensuring that the connected equipment remains aligned and preventing stress on the components.
• Isolation from External Forces: External forces like impact loads or shaft disturbances can affect the connected equipment. A flexible coupling isolates the equipment from these external forces, protecting it from potential damage.

By providing these essential functions, a flexible coupling helps extend the lifespan of connected equipment by reducing wear and tear, preventing premature failures, and ensuring smooth, reliable operation. The longevity of the connected equipment ultimately results in reduced maintenance costs and increased productivity.

How does a flexible coupling accommodate changes in shaft alignment due to thermal expansion?

Flexible couplings are designed to accommodate changes in shaft alignment that occur due to thermal expansion in rotating machinery. When equipment operates at elevated temperatures, the materials used in the shafts and other components expand, causing shifts in the relative positions of the connected shafts. This thermal expansion can lead to misalignment, which, if not addressed, may result in additional stress on the equipment and premature wear.

Flexible couplings employ specific design features that allow them to handle thermal-induced misalignment effectively:

• Flexibility: The primary feature of a flexible coupling is its ability to flex and deform to some extent. This flexibility allows the coupling to absorb small amounts of angular, parallel, and axial misalignment that may result from thermal expansion. As the shafts expand or contract, the flexible coupling compensates for the misalignment, helping to maintain proper alignment between the two shafts.
• Radial Clearance: Some flexible couplings, such as elastomeric couplings, have radial clearance between the coupling’s mating parts. This radial clearance provides additional room for the shafts to move laterally during thermal expansion without creating excessive forces on the coupling or connected equipment.
• Sliding Elements: Certain flexible couplings feature sliding elements that can move relative to each other. This capability allows the coupling to accommodate axial displacement resulting from thermal expansion or other factors.
• Flexible Element Materials: The materials used in the flexible elements of the coupling are chosen for their ability to handle the temperature range experienced in the application. Elastomeric materials, for example, can be selected to withstand high temperatures while still maintaining their flexibility.

It is essential to understand that while flexible couplings can compensate for some degree of thermal-induced misalignment, there are limits to their capabilities. If the thermal expansion exceeds the coupling’s compensating range, additional measures, such as incorporating expansion joints or using specialized couplings designed for greater misalignment compensation, may be necessary.

When selecting a flexible coupling for an application with potential thermal expansion, it is crucial to consider the expected operating temperature range and the level of misalignment that may occur due to thermal effects. Working with coupling manufacturers and consulting coupling catalogs can help in choosing the most suitable coupling type and size for the specific thermal conditions of the machinery.

What are the factors to consider when choosing a flexible coupling for a specific system?

Choosing the right flexible coupling for a specific system requires careful consideration of several factors. The following are the key factors that should be taken into account:

• 1. Misalignment Requirements: Assess the type and magnitude of misalignment expected in the system. Different couplings are designed to handle specific types of misalignment, such as angular, parallel, or axial misalignment. Choose a coupling that can accommodate the expected misalignment to prevent premature wear and failure.
• 2. Torque Capacity: Determine the required torque capacity of the coupling to ensure it can transmit the necessary power between the shafts. Consider both the continuous and peak torque loads that the system may experience.
• 3. Operating Speed: Take into account the rotational speed of the system. High-speed applications may require couplings that can handle the additional centrifugal forces and balance requirements.
• 4. Temperature Range: Consider the operating temperature range of the system. Select a coupling material that can withstand the temperatures encountered without losing its mechanical properties.
• 5. Environment and Conditions: Evaluate the environmental conditions where the coupling will be used, such as exposure to moisture, chemicals, dust, or corrosive substances. Choose a coupling material that is compatible with the operating environment.
• 6. Space Constraints: Assess the available space for the coupling installation. Some couplings have compact designs suitable for applications with limited space.
• 7. Installation and Maintenance: Consider the ease of installation and maintenance. Some couplings may require special tools or disassembly for maintenance, while others offer quick and simple installation.
• 8. Torsional Stiffness: Evaluate the torsional stiffness of the coupling. A balance between flexibility and stiffness is essential to prevent excessive torsional vibrations while accommodating misalignment.
• 9. Shock and Vibration Damping: For applications with high shock loads or vibration, select a coupling with excellent damping characteristics to protect the system from excessive forces.
• 10. Cost and Budget: Compare the cost of the coupling with the overall budget for the system. Consider the long-term cost implications, including maintenance and replacement expenses.

Ultimately, the choice of a flexible coupling should align with the specific requirements and operating conditions of the system. Consulting with coupling manufacturers or engineering experts can provide valuable insights to ensure the optimal selection of a coupling that enhances system performance, reliability, and efficiency.

editor by CX 2024-04-24