| Customization: | Available |
|---|---|
| After-sales Service: | Online Technology Support |
| Warranty: | Online Technology Support |
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PVC elbows are essential components in roof rainwater drainage systems, enabling smooth directional changes in pipe layouts. Designed to work seamlessly with standard uPVC piping, these elbows ensure efficient flow, structural integrity, and long-term reliability in both residential and commercial buildings.
Material Type: Unplasticized Polyvinyl Chloride (uPVC)
Mo Ding PVC elbows are made from rigid uPVC, renowned for its excellent durability and resistance to environmental wear.
Weather Resistance: These elbows are highly resistant to UV radiation, temperature changes, and chemical exposure, making them ideal for outdoor and rooftop installations.
Standard Sizes: PVC elbows are available in a range of sizes from 75mm (3 inches) to 150mm (6 inches) to match standard downpipes and gutter connections.
Customized Options: For larger systems, elbows in greater diameters can be supplied to meet the demands of high-volume drainage.
Directional Changes: PVC elbows are used to redirect rainwater flow in the drainage system, especially at corners, bends, or around structural obstacles.
Compatibility: Designed to work with all standard PVC downspout and gutter pipe systems, elbows are used in both vertical and horizontal orientations.
System Integration: Commonly paired with PVC tees, reducers, and straight connectors for complete rainwater management.
Corrosion-Free: Unlike metal fittings, PVC elbows do not corrode or rust over time, even in constant contact with water.
Lightweight Design: Easy to transport, handle, and install, reducing labor time and effort during construction.
Cost-Effective: Offers excellent value while maintaining high performance and reliability.
Long Lifespan: Engineered for durability, Mo Ding PVC elbows maintain their structural integrity for many years with minimal maintenance.
Residential Homes: For connecting roof gutters to vertical downspouts.
Commercial Buildings: Suitable for large-scale rainwater systems requiring high-capacity elbows.
Rainwater Harvesting: Efficiently channels rainwater for reuse systems, helping promote water conservation.
Need help choosing the right PVC elbows for your drainage system? Contact our expert team at Mo Ding for technical guidance, bulk pricing, or customized sizing options. Let us help you build smarter, longer-lasting water solutions.
Corrosion Resistant: Mo Ding PVC elbows do not rust or corrode, making them perfect for outdoor applications such as roof drainage and plumbing systems.
UV Resistant: With UV stabilizers added, our PVC elbows maintain their integrity under prolonged sunlight exposure, ensuring reliable long-term performance.
Impact Resistant: Designed to absorb mechanical stress, our elbows resist cracking or deformation during transport, installation, or use.
Efficient Flow: The smooth interior of Mo Ding PVC elbows minimizes friction loss, allowing rainwater or wastewater to flow freely with minimal resistance.
Reduced Clogging Risk: Smooth inner walls discourage buildup of debris, sediments, or biological matter, lowering the chance of blockages in your drainage network.
Ease of Handling: Our PVC elbows are lightweight compared to metal fittings, making them easier to handle, transport, and install-saving time and reducing labor costs.
Mo Ding PVC elbows offer outstanding resistance to chemicals commonly present in drainage and rainwater systems, including acids, alkalis, and salts, making them ideal for domestic and industrial applications.
Secure Jointing Options: Compatible with solvent cement or rubber gasket connections, Mo Ding elbows create leak-free, pressure-resistant joints.
Versatile Joint Designs: Choose from slip-joint, threaded, or welded options depending on your system design requirements.
Available in multiple diameters to suit various residential and commercial drainage setups. Mo Ding also provides custom sizing for special requirements.
Low Maintenance: With exceptional resistance to environmental stress and corrosion, Mo Ding elbows require minimal upkeep, providing decades of reliable service.
Expected Lifespan: Properly installed Mo Ding PVC elbows can last over 50 years, offering excellent long-term value.
Mo Ding elbows are produced to meet or exceed ISO, ASTM, and EN standards, ensuring consistent quality for both domestic and export markets.
Tested Quality: Each batch is tested for tensile strength, dimensional accuracy, and impact resistance.
Multi-Use Compatibility: Ideal for use in stormwater drainage, downspout systems, roof runoff, plumbing, and rainwater harvesting systems.
Special Options Available: Custom features like antimicrobial coatings or sound-reducing design can be provided on request.
Recyclable: All Mo Ding PVC elbows are made from recyclable materials, supporting sustainable construction practices.
Environmentally Conscious Manufacturing: Low emissions and energy-efficient processes minimize the environmental impact.
| Property | Specification |
|---|---|
| Density | 1.35 - 1.45 g/cm³ |
| Melt Flow Index (MFI) | 0.5 - 2.0 g/10min |
| Color | White, Light Cream |
| Tensile Strength | 50 - 70 MPa |
| Impact Strength (Izod) | 3 - 6 kJ/m² |
| Vicat Softening Point | 75 - 80°C |
| Glass Transition Temp. | 75 - 85°C |
| Thermal Conductivity | 0.14 - 0.16 W/m·K |
| Water Absorption (24 hrs) | 0.1 - 0.3% |
| Flammability Class | Class 1 (Self-extinguishing) |
| Chemical Resistance | Excellent |
| UV Resistance | With stabilizers |
| Property | Specification |
|---|---|
| Color | White, Grey, or Customized |
| Diameter Compatibility | 20mm to 600mm (varies by design) |
| Wall Thickness Range | 2mm to 10mm |
| Tensile Strength | 45 - 70 MPa |
| Yield Strength | 40 - 60 MPa |
| Elongation at Break | 15 - 30% |
| Modulus of Elasticity | 2,500 - 3,000 MPa |
| Impact Strength | 3 - 6 kJ/m² |
| Vicat Softening Point | 75 - 80°C |
| Water Absorption | 0.1 - 0.3% |
| UV Protection | Requires stabilizers for outdoors |
| Working Temperature | -10°C to 60°C |
| Jointing Method | Solvent Cement, Rubber Gasket |
| Expansion Rate | 0.07mm per meter per °C |
| Property | Details |
|---|---|
| Recyclability | Fully recyclable material |
| Environmental Impact | Low emission manufacturing |
| Certifications | ISO 1452, ISO 3641, ASTM D1785, EN 1452 |
| Pressure Testing | Hydrostatic tests for pressure compliance |
| Quality Control | Rigorous checks for dimension, strength, and durability |
PVC Resin: Select high-quality PVC resin that meets industry standards, ensuring the material is durable, resistant to weather conditions, and UV-stable.
Additives: Choose appropriate additives like UV stabilizers, plasticizers (for flexibility), and impact modifiers. These additives enhance the performance of PVC elbows by improving their strength and flexibility while ensuring long-lasting durability under outdoor conditions.
Customization: Depending on customer specifications, design PVC elbows in various angles and sizes to accommodate different plumbing or drainage needs (e.g., 90° elbows, 45° elbows). Make sure to design with the system's functionality and ease of installation in mind.
Prototyping: Before mass production, create prototypes and conduct tests for durability, UV resistance, and ease of installation. This helps in identifying potential design flaws and ensures the final product meets performance standards.
Extrusion: The base material for PVC elbows is typically created via extrusion. Heated PVC resin is forced through a mold, forming the shape of the elbow. Control the extrusion process to ensure consistent thickness and high-quality output.
Tooling: Ensure the molds and equipment are in optimal condition to avoid defects in the final product. Regular maintenance and calibration of extrusion machines are crucial for maintaining product quality.
Injection Molding: For PVC elbow fittings, injection molding is often used. This process allows for precise shaping of the elbows to ensure they fit seamlessly with other piping components.
Temperature Control: Maintain strict temperature control throughout the extrusion and molding processes to ensure the material flows evenly and the elbows retain their desired shape.
Dimensional Inspection: Conduct regular checks on the dimensions of PVC elbows to ensure they adhere to the required specifications.
Strength Tests: Perform impact, bending, and pressure tests on the elbows to ensure they can withstand common stresses in plumbing and drainage systems.
UV Testing: Accelerated aging tests should be conducted to verify the UV resistance of the PVC elbows, ensuring they will not degrade or discolor after prolonged exposure to sunlight.
Leak Testing: For elbows used in plumbing or drainage systems, it's important to test the connections and joints for leaks. Ensure the elbow fittings form tight seals with pipes, preventing any water leakage.
Inventory Management: Implement a robust inventory management system to track raw materials, production schedules, and finished products, ensuring sufficient stock to meet customer demand while avoiding overstock.
Packaging: Use packaging that protects the PVC elbows during transportation and storage. The packaging should also be easy to open and facilitate hassle-free installation for the customer.
Shipping: Optimize shipping logistics to minimize costs and improve delivery efficiency. Ensure the elbows are stored and packed in a way that prevents warping or damage during transit.
Monitoring Performance: After installation, collect feedback on how well the PVC elbows perform. Are customers encountering issues like misalignment, leaks, or damage? Customer feedback is essential for making any necessary adjustments to improve the product.
Continuous Improvement: Regularly assess the production processes and quality control procedures, taking into account customer feedback. Implement improvements, such as automation in production, to enhance consistency, reduce costs, and increase overall product quality.
Ensure the PVC elbows comply with local building codes and environmental standards. If required, seek certification for compliance with industry standards like ASTM, ISO, or other regional quality and safety standards.
Certification ensures that your PVC elbows meet the necessary performance, durability, and environmental requirements, enhancing trust with customers.
Streamline your production processes to maintain cost efficiency while upholding high-quality standards. Invest in modern technology, such as automated molding and extrusion machines, to optimize production speed and consistency.
As sustainability becomes more critical, consider adopting eco-friendly practices such as recycling scrap PVC and using recyclable packaging materials. This helps minimize waste and supports environmental responsibility.
Provide exceptional customer service by offering installation support, warranty services, and a clear line of communication for feedback. Address any issues promptly to ensure customer satisfaction and product reliability.
1. Raw Material Quality
Checkpoints:
Verify the purity and quality of PVC resin used in elbow production.
Ensure the correct formulation (PVC resin, additives, colorants).
Inspect for any contamination, moisture content, or improper mixing.
Tests:
Visual inspection for consistency and uniformity.
Melt flow index (MFI) test to assess resin flow characteristics.
Laboratory testing for impact resistance and UV stability.
2. Extrusion Parameters
Checkpoints:
Monitor key extrusion parameters such as barrel temperature, screw speed, and extrusion pressure.
Confirm that the correct die is installed and aligned to form the elbow shape accurately.
Targets:
Ensure uniform melt flow during extrusion.
Maintain consistent shape and forming of PVC elbows.
QC Actions:
Record all process parameters for every batch of elbows produced.
Visually inspect the extruded product for surface quality, ensuring there are no bubbles, streaks, or deformities.
3. Dimensional Accuracy
Checkpoints:
Measure the dimensions of the PVC elbows, including diameter, bend angles, wall thickness, and any other critical dimensions.
Tools:
Use precision instruments like calipers, micrometers, and go/no-go gauges for accurate measurement.
Tolerance:
Maintain dimensional accuracy within ±0.5 mm, adjustable depending on specific design requirements.
4. Structural Integrity
Checkpoints:
Ensure the PVC elbows are capable of withstanding the intended pressure and stress during usage.
Tests:
Conduct load-bearing tests (both static and dynamic) to ensure elbows can handle typical pressure without cracking.
Perform flexural strength tests to verify the elbows maintain their integrity under bending.
Carry out drop or impact tests to check for fractures or damage under physical stress.
5. Surface Finish
Checkpoints:
Verify that the surface of the elbows is smooth, free from imperfections, and either glossy or matte as specified in the design.
Defects to Avoid:
Ensure there are no cracks, warping, discoloration, sink marks, or weld lines visible on the surface.
6. Assembly / Elbow Integration
Checkpoints:
If elbows are attached to other fittings or components, check for proper alignment, attachment strength, and fit.
Tests:
Perform pull tests to verify the strength of attached elbows.
Conduct snap-fit tests for modular parts to ensure the elbows integrate seamlessly into the system.
7. UV and Weather Resistance
Checkpoints:
For elbows intended for outdoor use, verify the inclusion of UV stabilizers to prevent degradation due to sunlight exposure.
Tests:
Perform accelerated weathering tests (e.g., QUV test) to simulate long-term exposure to sunlight and environmental conditions.
Test color fastness and material degradation under UV exposure to ensure long-lasting performance.
8. Punching/Slotting Accuracy (if applicable)
Checkpoints:
Ensure any holes or slots in the elbows are cleanly cut and positioned accurately according to design specifications.
Tools:
Use jigs, templates, and measuring tapes to guarantee precision.
Tolerance:
Ensure positional accuracy within ±1 mm for punched or slotted features.
9. Final Inspection and Packaging
Checkpoints:
Conduct a final visual inspection for any defects before packaging.
Confirm correct quantities and lengths per bundle as per customer requirements.
Ensure correct labeling, batch coding, and traceability are applied to all products.
Packaging QC:
Ensure proper stacking and protective wrapping to prevent damage or deformation during transit.
Secure bundling of elbows to ensure they are transported without risk of scratches, cracking, or other damage.
10. Documentation and Traceability
Maintain comprehensive records including:
Batch records for each production run.
QC inspection sheets detailing the results of all quality control tests.
Operator logbooks documenting production conditions and outcomes.
Non-conformance reports (NCRs) for any product defects or issues encountered during production.
| Test | Standard |
|---|---|
| Weathering Test | ASTM D2565 (UV exposure) |
| Tensile and Flexural Strength | ASTM D638, ASTM D790 |
| Impact Resistance | ASTM D256 |
| Colorfastness / Fade Resistance | ISO 105-B02 |
| Dimensional Stability |
1. Preparation and Materials Needed
PVC elbows (clean and dry)
Bubble wrap or foam padding
Stretch film or shrink wrap
Corrugated cardboard or protective corner guards
Zip ties or packing tape
Strong strapping (if bundling)
Wooden crate or heavy-duty cardboard box (for long-distance or bulk shipping)
Pallet (optional for large orders)
2. Packing Process
a. Clean and Inspect
Ensure all PVC elbows are clean, dry, and free of defects before packing.
Check for cracks, imperfections, or any visible damage that could affect the elbow's performance.
b. Bundle Elbows
Group elbows of the same size or type together.
Nest elbows (if possible) to save space and reduce movement during transit.
Use zip ties, strapping, or packing tape to bundle them securely, but avoid overtightening to prevent bending or warping.
c. Protect Edges and Surfaces
Wrap each bundle of elbows with bubble wrap or foam padding to prevent surface damage.
Use protective cardboard or corner guards on both ends and sides to prevent crushing during handling and transport.
d. Wrap Entire Bundle
Securely wrap the entire bundle of elbows with stretch film or shrink wrap to keep everything in place and prevent shifting during shipping.
3. Delivery Guidelines
a. Label Clearly
Use clear, water-resistant labels for easy identification.
Include handling instructions such as "Fragile," "Do Not Stack," or "This Side Up" to guide proper handling.
b. Load Strategically
Place bundles of elbows flat and well-supported in the transport vehicle.
Avoid stacking heavy items on top of the bundles to prevent crushing or deformation.
For longer elbows (typically 10ft+), ensure the vehicle has adequate space and support points to accommodate the length and prevent shifting.
c. Use Pallets (For Bulk Orders)
Stack bundles evenly on a pallet for easy handling and stability.
Strap the bundles securely to the pallet to avoid shifting during transport.
If shipping via freight carrier, shrink-wrap the entire pallet to keep all elbows securely packed and protected during transit.
Primary Function: PVC gutters collect and direct rainwater from the roof to downpipes, protecting the building's walls, foundation, and landscape.
Prevents: Water pooling, soil erosion, foundation damage, mold growth, and exterior wall stains.
Installed along roof edges to capture runoff.
Can be used on residential, commercial, and industrial buildings.
Compatible with various roof types: sloped, flat, tiled, or metal.
Gutters funnel water into storage tanks for reuse in irrigation, flushing, or even filtration for household use.
Accessories like leaf guards and first flush diverters are commonly used to improve water quality.
Gutter systems often include fascia brackets or boards to cover and protect the fascia board from weathering and water damage.
Available in various colors and profiles to match building design.
Enhances roof edge detailing for a clean, modern finish.
In industrial buildings or large halls, PVC downpipes may be used in HVAC systems to drain condensate.
| Accessory | Function / Application |
|---|---|
| Downspouts | Direct water from gutters to ground level drainage or collection system. |
| Elbows | Change the direction of downpipes (e.g., from vertical to horizontal). |
| End Caps | Seal the ends of the gutter to prevent water leakage. |
| Gutter Joiners | Connect two lengths of gutter securely. |
| Brackets/Clips | Secure gutters to the fascia board or building structure. |
| Leaf Guards | Prevent leaves and debris from clogging the gutter system. |
| Drop Outlets | Connect gutter to downspout, creating a smooth water path. |
| Expansion Joints | Allow movement due to temperature changes, preventing cracking or distortion. |
Introduction to Services Offered by Hangzhou Lin'an Mo Ding Building Materials Co., Ltd.
Founded in 2011 and based in Gaohong Industrial Park, Hangzhou Lin'an Mo Ding Building Materials Co., Ltd. is a high-tech enterprise specializing in the research, development, production, sales, and technical support of advanced building materials. The company is a recognized leader in high-performance drainage systems and eco-friendly construction solutions.
Mo Ding offers a comprehensive range of products and services, including PVC and aluminum alloy drainage systems, wall and ceiling panels, and a full suite of components designed for durability and environmental sustainability. Its flagship product-the Ward high-performance rainwater system-features innovative design and materials that deliver twice the drainage efficiency and exceptional resistance to harsh weather conditions.
The company provides end-to-end solutions, from design consultation and technical guidance to installation and after-sales service. With a strong commitment to quality, Mo Ding adheres to ISO 9001 standards and offers certified, lead-free products that support green building initiatives. Serving both domestic and international markets, Mo Ding partners with architects and developers to deliver stylish, long-lasting, and leak-free drainage solutions for residential, commercial, and landmark projects.
Driven by innovation and sustainable development, Mo Ding continues to expand its global presence and strives to be a leading brand in green building materials.
1. What are the key features of MO DING PVC elbows?
MO DING PVC elbows offer several features that make them ideal for various piping systems, such as construction, drainage, and plumbing:
Durability: PVC elbows are resistant to corrosion, chemicals, and UV degradation, ensuring long-lasting performance.
Impact Resistance: Designed to withstand physical stress during installation and use without breaking.
Smooth Interior Surface: Promotes efficient fluid flow and minimizes blockages, ensuring smooth operation.
Lightweight: Lighter than metal alternatives, making them easier to handle and install.
Chemical Resistance: Resistant to a broad range of acids, alkalis, and salts.
Cost-Effective: PVC elbows are a cost-efficient solution, ideal for both residential and industrial applications.
Eco-Friendly: Made from recyclable materials, contributing to sustainability efforts.
2. What are the main types of MO DING PVC elbows?
MO DING PVC elbows come in different types to suit various piping systems:
Standard Elbows: Typically used for general plumbing, drainage, and irrigation systems.
Long Radius Elbows: Designed for smoother flow and used in situations where low pressure is important.
Short Radius Elbows: Suitable for tighter spaces and where higher flow velocity is needed.
90° and 45° Elbows: Common angles for changing the direction of pipes, providing flexibility in installation.
3. What are the typical sizes of MO DING PVC elbows?
MO DING PVC elbows come in various sizes to match different pipe diameters and application needs:
Diameters: Available from 20mm to 600mm, with larger sizes available on request.
Elbow Angles: Common angles include 90° and 45°, with custom angles possible.
Wall Thickness: Varies based on the diameter and intended application, ensuring structural integrity under pressure.
4. What is the pressure rating of MO DING PVC elbows?
MO DING PVC elbows are designed to withstand various pressure levels, offering:
PN 4: Suitable for low-pressure applications.
PN 10 and PN 16: Ideal for medium to high-pressure systems, often used in commercial or industrial applications.
5. What are the chemical properties of MO DING PVC elbows?
MO DING PVC elbows are known for their excellent chemical resistance, making them suitable for a variety of environments:
Resistant to Acids: Effective in handling mild acids commonly found in wastewater or industrial applications.
Resistant to Alkalis and Salts: Can endure exposure to alkaline substances and salts without degrading.
UV Resistance: While PVC elbows are naturally UV-sensitive, MO DING products can be treated with stabilizers for improved UV resistance, making them ideal for outdoor installations.
6. What are the thermal properties of MO DING PVC elbows?
MO DING PVC elbows exhibit the following thermal characteristics:
Vicat Softening Point: Approximately 75 - 80°C.
Working Temperature Range: Performs well in environments ranging from -10°C to 60°C.
Thermal Conductivity: Relatively low thermal conductivity (0.14 - 0.16 W/m·K), which contributes to energy efficiency compared to metal pipes.
7. How are MO DING PVC elbows installed?
MO DING PVC elbows are easy to install with the following methods:
Solvent Cementing: The most common joining method, where the surfaces are welded together using solvent cement for a strong bond.
Rubber Gasket Systems: Commonly used in larger pipe systems or high-pressure applications to create a watertight seal.
8. How resistant are MO DING PVC elbows to impact and physical stress?
MO DING PVC elbows are designed with high impact resistance, ensuring they can withstand physical stress during transportation, installation, and normal operation. They are also resistant to cracking under external pressure or impact.
9. How long do MO DING PVC elbows last?
MO DING PVC elbows have a long service life of 50 years or more when installed and maintained correctly. Their resistance to corrosion, chemicals, and environmental factors ensures they remain durable and functional over time.
10. Are MO DING PVC elbows recyclable?
Yes, PVC is a recyclable material, and MO DING PVC elbows can be reused in the production of new products, helping to reduce waste and contribute to sustainability efforts.
11. What are the environmental benefits of MO DING PVC elbows?
MO DING PVC elbows are designed with environmental considerations in mind:
Energy Efficiency: The production process of PVC elbows is energy-efficient and involves relatively low emissions.
Recyclability: PVC elbows can be recycled, reducing waste and helping to minimize landfill impact.
Long-Term Performance: The durability of PVC elbows means fewer replacements are needed, leading to reduced resource consumption over time.
12. What quality standards do MO DING PVC elbows meet?
MO DING PVC elbows comply with international quality standards, ensuring superior performance and safety:
ISO 1452: For pressure pipe specifications.
ISO 3641: For drainage systems.
ASTM D1785: For PVC pipe and fitting specifications.
EN 1452: For European standards.
13. What are the common applications for MO DING PVC elbows?
MO DING PVC elbows are versatile and widely used in a range of applications:
Plumbing Systems: Ideal for both residential and commercial plumbing.
Rainwater Drainage: Used for directing rainwater to drainage systems.
Irrigation: Commonly used in agricultural or landscaping irrigation systems.
Wastewater Systems: Suitable for sewage and wastewater management applications.
14. How are MO DING PVC elbows tested for quality?
MO DING PVC elbows undergo rigorous quality testing to ensure they meet industry standards:
Hydrostatic Pressure Testing: To verify their pressure rating and durability.
Dimensional Accuracy: Ensures that the elbow dimensions fall within specified tolerances.
Tensile and Impact Strength: Tests conducted to ensure the elbows can handle mechanical and physical stresses during use.
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