| Customization: | Available |
|---|---|
| After-sales Service: | Online Technology Support |
| Warranty: | Online Technology Support |
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PVC pipes used for building top rainwater drainage are designed to carry rainwater off the roof and through the building's drainage system to prevent water damage. These pipes are typically part of a rainwater harvesting or roof drainage system.
Type: Rigid (uPVC - unplasticized polyvinyl chloride) is the most common material used for drainage pipes. It's durable, resistant to corrosion, and can handle exposure to UV light.
Durability: PVC is resistant to most chemicals and doesn't degrade easily when exposed to the elements.
For roof drainage, common sizes of PVC pipes are 75mm (3 inches) to 150mm (6 inches) in diameter, depending on the volume of rainwater and the size of the roof area being drained.
Larger systems or commercial buildings might use even bigger sizes for efficient drainage.
Downspout Pipes: These are vertical pipes that carry water from the roof to the ground or to a stormwater system.
Gutter Pipes: These horizontal pipes collect rainwater from the roof gutter and direct it to downspouts.
Fittings: These may include elbows, tees, and reducers to fit the pipe into the building's drainage network.
Corrosion Resistance: PVC does not rust or corrode like metal pipes, which is especially useful in rainwater systems exposed to the weather.
Lightweight: Easier to handle and install compared to heavier materials like cast iron.
Cost-Effective: PVC is relatively inexpensive compared to other materials like metal or concrete.
Longevity: With proper installation and maintenance, PVC pipes can last for many years in a rainwater drainage system.
Key Features of MO DING PVC Elbows
MO DING PVC elbows are designed for superior performance in rainwater drainage and plumbing systems. These fittings offer a variety of advantages, including durability, ease of installation, and long service life. Here's a closer look at the key features of MO DING PVC elbows:
1. High Durability:
Corrosion Resistance: MO DING PVC elbows are resistant to rust and corrosion, making them ideal for outdoor applications, such as rainwater drainage systems exposed to the elements.
UV Resistance: These elbows are engineered with UV inhibitors, helping them withstand degradation from sunlight and ensuring long-lasting performance in outdoor installations.
Impact Resistance: MO DING PVC elbows are built to handle mechanical stress during installation and usage, reducing the risk of cracks or fractures.
2. Smooth Inner Surface:
Flow Efficiency: The smooth interior of MO DING PVC elbows ensures minimal friction, maintaining an efficient water flow throughout the drainage system.
Reduced Blockages: With a smooth surface, these elbows minimize sediment build-up, helping to prevent blockages and ensuring consistent flow.
3. Lightweight and Easy to Handle:
Compared to metal fittings, MO DING PVC elbows are much lighter, making them easier to transport, install, and handle, thereby reducing labor costs and installation time.
4. Chemical Resistance:
MO DING PVC elbows are resistant to a wide range of chemicals, including acids, alkalis, and salts, making them suitable for both domestic and industrial applications, including drainage and plumbing systems.
5. Leak-Proof Joints:
Fittings and Connections: These elbows offer tight, leak-proof connections, which can be easily joined with solvent cement or rubber gaskets, ensuring a secure and reliable seal to prevent leaks.
Joint Flexibility: MO DING PVC elbows provide flexibility with joint types, offering options like slip-joint, threaded, or welded connections, depending on system requirements.
6. Wide Range of Sizes:
MO DING PVC elbows come in various sizes to accommodate different applications, from small residential rainwater systems to larger commercial drainage systems. They are available in diameters ranging from 20mm to 600mm.
7. Long Service Life:
Low Maintenance: With their resistance to corrosion and environmental factors, MO DING PVC elbows require minimal maintenance, offering long-term cost savings.
Expected Lifespan: When properly installed, these elbows can last for 50+ years, providing exceptional longevity in rainwater drainage and plumbing systems.
8. Compliance with Industry Standards:
MO DING PVC elbows are manufactured in compliance with international standards such as ISO 1452, ISO 3641, ASTM D1785, and EN 1452. This ensures they meet or exceed quality and performance expectations, making them suitable for both domestic and export markets.
9. Versatility:
MO DING PVC elbows are versatile and can be used in various applications, including drainage, sewage systems, stormwater management, and general plumbing.
The company also offers custom solutions for specialized applications, such as elbows with soundproofing or anti-microbial properties.
10. Eco-Friendly:
PVC is a recyclable material, and MO DING ensures low emissions during production, aligning with green building and sustainability goals. These fittings help reduce the environmental impact of drainage and plumbing systems.
| Category | Property | Value |
|---|---|---|
| 1. Raw Material: PVC Resin (uPVC) | 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. (Tg) | 75 - 85°C | |
| Thermal Conductivity | 0.14 - 0.16 W/m·K | |
| Water Absorption | 0.1 - 0.3% (24 hours) | |
| Flammability | Class 1 (Self-extinguishing) | |
| Chemical Resistance | Resistant to acids, alkalis, salts | |
| UV Resistance | Requires UV stabilizers for outdoor use | |
| 2. Finished Product: MO DING PVC Elbow | Density | 1.35 - 1.45 g/cm³ |
| Color | White, Grey, or Custom Colors | |
| Length | 3 meters to 6 meters (customizable) | |
| Diameter | 20mm to 600mm (varies by application) | |
| Wall Thickness | 2mm to 10mm (varies by application) | |
| Pressure Rating | PN 4, PN 10, PN 16 | |
| Tensile Strength | 45 - 70 MPa | |
| Yield Strength | 40 - 60 MPa | |
| Elongation at Break | 15 - 30% | |
| Impact Strength | 3 - 6 kJ/m² | |
| Vicat Softening Point | 75 - 80°C | |
| Chemical Resistance | Resistant to most chemicals, acids, alkalis | |
| Water Absorption | 0.1 - 0.3% | |
| UV Resistance | Requires UV stabilizers for outdoor use | |
| Working Temperature Range | -10°C to 60°C | |
| Jointing Method | Solvent Cement, Rubber Gasket | |
| Expansion/Contraction | 0.07mm per meter per °C | |
| 3. Environmental & Compliance Data | Recyclability | PVC is recyclable |
| Environmental Impact | Low emissions during production | |
| Standards Compliance | ISO 1452, ISO 3641, ASTM D1785, EN 1452 | |
| Hydrostatic Pressure Test | Conducted to verify pipe pressure rating | |
| Quality Control | Regular tests for dimensional accuracy, tensile strength, impact resistance |
1. Material Sourcing
PVC Resin: Ensure that the PVC resin used for manufacturing elbows meets high industry standards. The resin should be durable, UV-stable, and weather-resistant to ensure long-lasting performance in outdoor conditions.
Additives: PVC elbows often contain additives like UV stabilizers to protect from sunlight degradation, plasticizers for flexibility, and impact modifiers for enhanced durability. Choose high-quality additives to optimize the elbow's performance and lifespan.
2. Design and Prototyping
Customization: Depending on customer specifications, you may need to create a variety of elbow designs, sizes, and angles. For example, you might offer 45°, 90°, or custom angles to suit different drainage systems. Ensure your designs meet both functional and aesthetic needs.
Prototyping: Before mass production, develop prototypes of the PVC elbows and test them for functionality, durability, and ease of installation. Prototyping helps identify potential design flaws and ensures that the final product meets quality expectations.
3. Manufacturing Process
Extrusion: Most PVC elbows are produced via the extrusion process, where PVC material is heated and forced through molds to form the desired shape. Ensure proper control of the extrusion process to maintain consistent dimensions and high-quality surfaces.
Tooling: Verify that the molding tools used for elbows are properly calibrated and in good condition to prevent defects. Regular maintenance of molds is critical for high-quality production.
Temperature Control: Maintaining precise temperature control during the extrusion process is essential for consistent wall thickness and overall elbow quality.
Injection Molding: For more complex parts or additional features, such as connectors or special reinforcement ribs, injection molding may be used. Ensure that your injection molding equipment is precise and accurate to avoid defects.
4. Quality Control
Dimensional Inspection: Regularly check the dimensions of the PVC elbows to ensure they adhere to the required specifications. Accurate measurements are crucial for proper installation and system compatibility.
Strength Tests: Conduct bending and impact resistance tests on the elbows to ensure they can withstand typical environmental conditions, such as exposure to heavy rain or mechanical stress.
UV Testing: Test the elbows for UV resistance through accelerated aging tests to confirm they will not degrade or discolor after prolonged exposure to sunlight.
Leak Testing: Ensure the elbows fit tightly with the connected pipes and conduct a leak test to confirm that there are no gaps or cracks that could lead to water leaks.
5. Logistics and Distribution
Inventory Management: Effectively track raw materials, production schedules, and finished PVC elbows. Having an organized inventory system ensures that you can meet demand without overstocking and that the right quantity of materials is available when needed.
Packaging: Elbows should be packaged in a way that protects them from damage during transport. Packaging should also be easy to handle for both distribution and installation, making the product ready for quick use by the customer.
Shipping: Optimize shipping logistics to reduce costs and improve delivery times. Ensure that elbows are stored and transported in a way that prevents warping or physical damage during transit.
6. Customer Feedback and Improvement
Monitoring Performance: After installation, monitor how well the PVC elbows perform in real-world applications. Are customers experiencing issues such as cracks, leaks, or poor fit? Collect customer feedback regularly to identify areas for improvement.
Continuous Improvement: Use customer feedback and production data to continuously assess and improve the elbow manufacturing process. This could include refining designs, improving material quality, or automating certain aspects of production for better consistency.
7. Compliance and Certifications
Standards Compliance: Ensure that the PVC elbows meet local building code requirements and international standards, such as ASTM, ISO, or EN certifications. Compliance ensures the elbows are safe and reliable for use in various plumbing and drainage applications.
Environmental Certifications: Consider obtaining certifications that confirm the product's sustainability, such as those for recyclable materials or low environmental impact during manufacturing.
Efficiency: Streamline manufacturing processes to maintain competitive pricing while upholding product quality. Invest in advanced machinery and provide training for workers to improve productivity.
Environmental Impact: Sustainability is becoming increasingly important. Implement eco-friendly practices like recycling scrap PVC and using recyclable packaging to minimize environmental impact.
Customer Service: Offer responsive customer service for installation guidance or post-purchase support. Keeping an open line for customer feedback helps you improve the product and enhance user satisfaction.
| 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 | ASTM D2412 |
Checkpoints:
Verify the purity and quality of PVC resin.
Ensure proper formulation, including resin, additives (e.g., UV stabilizers, impact modifiers), and colorants.
Inspect for contamination, excessive moisture, or improper mixing of materials.
Tests:
Visual inspection of resin batch for uniformity.
Melt flow index test to measure flow consistency.
Lab batch testing for impact resistance and UV stability.
Checkpoints:
Monitor barrel temperature, screw speed, and pressure during the extrusion process.
Confirm the correct die is installed and properly aligned for accurate elbow shaping.
Targets:
Uniform melt flow and material consistency.
Accurate forming of the elbow shape, ensuring no distortions.
QC Actions:
Record extrusion parameters for each production batch.
Visually inspect the extrudate for surface quality-ensure there are no bubbles, streaks, or deformities.
Checkpoints:
Measure the key dimensions of PVC elbows, including the elbow angle, diameter, wall thickness, and internal/external surface.
Tools:
Calipers, micrometers, go/no-go gauges.
Tolerance:
Typically within ±0.5 mm (adjustable depending on specific design and application requirements).
Checkpoints:
Ensure the elbows can withstand the pressure and weight they will be exposed to, including water pressure and environmental stress.
Tests:
Pressure test for burst resistance (static and dynamic).
Flexural strength test to determine resistance to bending forces.
Drop and impact tests to check resistance to physical damage.
Checkpoints:
Elbow surfaces must be smooth, with a uniform finish (glossy or matte depending on specifications), and free of imperfections like burn marks or surface impurities.
Defects to Avoid:
Cracks, warping, discoloration, sink marks, or weld lines.
Checkpoints:
Ensure that elbows fit properly into the adjoining pipe sections or connectors.
If using additional attachments or features (e.g., threaded ends or rubber gaskets), confirm proper alignment and strength of attachment.
Tests:
Fit test with matching pipe components to ensure secure jointing.
Seal test to verify no leakage when water flows through the elbow.
Checkpoints:
For external use, confirm that PVC elbows have been treated with UV stabilizers to resist sunlight degradation.
Tests:
Accelerated weathering tests (e.g., QUV or Xenon arc test) to simulate long-term UV exposure.
Color fastness test under UV exposure to verify long-lasting color retention.
Checkpoints:
For elbows that include slots, holes, or additional cuts, ensure that all openings are accurately placed and cut cleanly.
Tools:
Jigs, templates, measuring tapes.
Tolerance:
Positional accuracy within ±1 mm for any cutouts or slots.
Checkpoints:
Conduct a thorough visual inspection for defects, ensuring no cracks, scratches, or deformation.
Verify quantity, dimensions, and markings (including batch codes and product labels) to meet packaging standards.
Packaging QC:
Ensure proper stacking and secure wrapping to prevent damage during transport.
Use protective materials such as bubble wrap or corner protectors for added safety.
Maintain detailed records for:
Batch records: Documenting material source, production parameters, and inspection results for each batch of PVC elbows.
QC inspection sheets: Tracking results of key quality control tests like impact resistance, UV stability, and pressure testing.
Operator logbooks: Recording any deviations or issues that occurred during production.
Non-conformance reports (NCRs): Documenting any products that failed to meet quality standards, along with corrective actions taken.
PVC gutters (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)
Ensure all gutters are clean, dry, and free of defects before packing.
Group gutters of the same length together.
Nest them (if design allows) to save space and reduce movement during transit.
Use zip ties or strapping to bundle them securely-don't overtighten, to avoid bending or warping.
Wrap each bundle with bubble wrap or foam padding.
Use protective cardboard or corner guards on ends and sides to prevent crushing.
Wrap the entire bundle tightly with stretch film or shrink wrap to keep everything in place.
Use clear, water-resistant labels.
Include handling instructions like "Fragile", "Do Not Stack", or "This Side Up" if necessary.
Place bundles flat and supported.
Avoid placing anything heavy on top.
For longer gutters (typically 10ft+), ensure the vehicle supports the length and has adequate tie-down points.
Stack bundles evenly on a pallet.
Strap them securely to avoid shifting.
Shrink wrap the entire pallet if shipping with a freight carrier.
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.
MO DING PVC Gutter Downspout Elbows are designed with several key features to ensure reliable performance in rainwater drainage systems:
Durability: Made from high-quality PVC, these elbows are resistant to corrosion, UV degradation, and weathering, providing long-term reliability.
Impact Resistance: Built to withstand physical stresses during installation and under normal use, minimizing the risk of cracks or damage.
Smooth Interior Surface: The smooth interior ensures optimal water flow, reducing the chances of blockages and ensuring efficient drainage.
Lightweight: Easier to handle and install compared to metal alternatives, reducing labor costs and installation time.
Chemical Resistance: Resistant to most common environmental elements, including acids, alkalis, and salts.
Cost-Effective: MO DING PVC gutter elbows provide an affordable solution for residential, commercial, and industrial drainage needs.
Eco-Friendly: Made from recyclable materials, these elbows support environmental sustainability.
MO DING PVC Gutter Downspout Elbows are available in several types to suit different configurations and needs:
Standard 90° Elbow: Commonly used to direct rainwater from the gutter system down to the ground or a drainage system.
Offset Elbow: Allows for adjustments in direction when space constraints or obstructions are present.
Swept Elbow: Designed for smoother water flow with a more gradual bend, reducing the risk of clogs.
MO DING PVC Gutter Downspout Elbows are available in various sizes to match your specific gutter system:
Elbow Diameters: Typically range from 50mm to 150mm, with custom sizes available upon request.
Elbow Angles: Common angles are 90° and 45°, but other angles can be manufactured as needed.
MO DING PVC Gutter Downspout Elbows are designed to handle typical rainwater drainage pressures, which are generally low. However, the elbows can be used in systems with higher flow rates, and are capable of withstanding significant pressure without deformation.
MO DING PVC Gutter Downspout Elbows exhibit excellent chemical resistance, making them ideal for various environmental conditions:
Resistant to Acids and Alkalis: Effective in handling mild acids and alkaline substances found in rainwater runoff.
Resistant to UV: These elbows can be treated to improve UV resistance, ensuring they withstand prolonged exposure to sunlight without cracking or degrading.
MO DING PVC Gutter Downspout Elbows are capable of withstanding a wide range of temperatures:
Working Temperature Range: Operate efficiently in environments from -10°C to 60°C.
Thermal Conductivity: Low thermal conductivity means they don't easily absorb or transfer heat, contributing to their overall durability.
MO DING PVC Gutter Downspout Elbows are designed for simple, efficient installation:
Solvent Cementing: The elbows are joined with solvent cement, creating a strong, leak-free bond.
Rubber Gasket Systems: For larger systems or where quick disassembly may be needed, rubber gaskets provide a reliable, watertight seal.
MO DING PVC Gutter Downspout Elbows are highly impact-resistant, designed to endure handling during transportation, installation, and normal use. This ensures they remain intact under physical stress without cracking.
MO DING PVC Gutter Downspout Elbows are built to last for 50 years or more, provided they are installed and maintained correctly. Their resistance to environmental stressors like UV radiation and physical impacts ensures long-lasting performance.
Yes, MO DING PVC Gutter Downspout Elbows are made from recyclable PVC material, allowing them to be reused in the production of new products, reducing waste, and supporting environmental sustainability.
MO DING PVC Gutter Downspout Elbows are eco-friendly due to their:
Recyclability: PVC material can be recycled and repurposed, minimizing environmental impact.
Durability: The long lifespan of these elbows means fewer replacements and less waste over time.
Energy Efficiency: The manufacturing process for PVC products is energy-efficient, with low emissions.
MO DING PVC Gutter Downspout Elbows are manufactured to meet international quality standards:
ISO 1452: For pressure piping systems, ensuring durability and performance.
EN 1452: European standards for PVC pipes and accessories, including gutter systems.
These certifications ensure the elbows meet high standards for reliability, safety, and performance.
MO DING PVC Gutter Downspout Elbows are used in various rainwater drainage systems, including:
Residential Rainwater Drainage: Directs water from the roof to ground-level drains or rainwater collection systems.
Commercial Buildings: Used to handle rainwater runoff from large roof areas.
Industrial Applications: Suitable for managing large volumes of rainwater in industrial sites.
MO DING PVC Gutter Downspout Elbows undergo rigorous quality testing:
Hydrostatic Pressure Testing: To ensure they can withstand typical rainwater pressures.
Dimensional Accuracy: Ensures that the elbows conform to the specified size and fit requirements.
Impact Testing: Verifies the elbows can endure physical handling and environmental stress.
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