| Customization: | Available |
|---|---|
| After-sales Service: | Online Technology Support |
| Warranty: | Online Technology Support |
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The 90-degree aluminum drain elbow is engineered for efficient redirection of rainwater in building drainage systems. It provides a smooth transition from vertical downpipes to horizontal drainage lines. Made from high-strength aluminum alloy, this connector is corrosion-resistant, lightweight, and built to withstand harsh weather conditions, making it ideal for residential, commercial, and industrial gutter systems.
Premium Material: Constructed from rust-resistant aluminum alloy for durability and long service life.
Accurate Angle Design: Precisely formed at 90 degrees to ensure efficient water flow without backflow or pooling.
Surface Finish Options: Available in anodized or powder-coated finishes in various colors to match building exteriors.
Easy Installation: Compatible with standard-sized pipes, allowing for quick and secure connection.
Leak Prevention: Tight-fitting joints help prevent water leakage and ensure stable long-term performance.
Aluminum gutter and downpipe systems
Residential villas, commercial buildings, and industrial facilities
Works seamlessly with round or rectangular aluminum pipes
| Parameter | Specification |
|---|---|
| Material Type | Aluminum Alloy (Typically 3003, 5052, or 6063 grade) |
| Surface Condition | Mill finish, anodized sheet, or pre-coated aluminum sheet |
| Thickness Range | 1.0 mm - 2.0 mm |
| Corrosion Resistance | Excellent (marine-grade optional) |
| Color Options (if coated) | White, brown, grey, black, silver, or customized |
| Recyclability | 100% recyclable |
| Parameter | Specification |
|---|---|
| Product Name | 90° Aluminum Drain Elbow |
| Angle | 90 degrees (±1° tolerance) |
| Shape | Round or rectangular (as per pipe system) |
| Size Options (Diameter) | Ø60mm / Ø75mm / Ø90mm / Ø100mm (custom sizes available) |
| Wall Thickness | 1.0 mm to 2.0 mm |
| Length (arms) | Typically 150mm-250mm per leg (customizable) |
| Surface Finish | Anodized / Powder Coated / PVDF / Mill Finish |
| Color | Standard RAL colors or customized on request |
| Water Flow Capacity | Matches standard downpipe specifications |
| Temperature Resistance | -40°C to +120°C |
| Service Life | 20-30 years under normal conditions |
| Step | Description |
|---|---|
| Cutting | Raw aluminum sheets or coils are cut to size |
| Forming | CNC or hydraulic press used to form the 90° bend |
| Welding (if required) | Seam welding using TIG or MIG methods (if multi-piece) |
| Surface Treatment | Anodizing / Powder Coating / PVDF as per color request |
| Assembly & Finishing | Deburring, inspection, and pre-assembly for tight fit |
| Quality Inspection | Dimensional check, coating adhesion, leak test |
| Packaging | Foam padding + plastic wrap + carton box or crate |
| Feature | Details |
|---|---|
| Coating Type | UV-resistant, anti-corrosion powder coating |
| Custom Branding | Embossed logo or laser-marking |
| Special Use Coatings | PVDF for coastal or high-humidity environments |
| Shape Customization | Special bends (e.g. offset elbows, adjustable angles) |
At Mo Ding, the production of our premium aluminum pipe connectors combines precision engineering with advanced manufacturing processes to ensure top-tier performance in every piece. Our connectors are crafted to meet the highest standards in durability, fit, and weather resistance, making them a trusted component in modern rainwater drainage systems.
We use marine-grade aluminum alloy (6063-T5 or equivalent), chosen for its excellent corrosion resistance, strength-to-weight ratio, and long-lasting performance in outdoor environments.
Using high-precision extrusion machines, aluminum billets are formed into consistent, seamless profiles. Custom dies allow us to produce both round and square connectors compatible with a wide range of downpipe sizes.
Once extruded, each connector is cut to precise lengths and machined using CNC technology to ensure smooth edges, uniform tolerances, and perfect alignment for joining pipes securely.
We offer a variety of surface finishes, including:
Powder coating for enhanced durability and color customization
Anodizing for added corrosion resistance and sleek appearance
Mill finish for customers who prefer bare aluminum
These treatments not only improve aesthetics but also increase the connector's lifespan in extreme climates.
Optional gasket rings or sealing inserts are fitted for leak-proof performance. Each connector undergoes multi-point quality inspections, checking for:
Dimensional accuracy
Surface finish consistency
Structural integrity
Seamless fit with matching downpipes
Finished connectors are packed with protective film or foam to prevent scratching during transport. Bulk orders are secured in durable cartons or wooden crates, ready for global shipping.
| Factor | Description |
|---|---|
| Efficiency | Optimize each stage of the manufacturing process to balance cost-efficiency with high product standards. Invest in skilled labor and automation where possible. |
| Environmental Impact | Use recycled aluminum where feasible, minimize scrap, and adopt sustainable packaging practices. |
| Customer Service | Offer technical support, clear installation guidelines, and responsive after-sales service. Maintain an open channel for customer feedback and warranty claims. |
90-Degree Aluminum Drain Elbow - Downspout Connector Quality Assurance at Mo Ding
At Mo Ding, precision and durability are at the core of every 90-degree aluminum drain elbow we produce. Engineered to fit seamlessly with downspout systems, each elbow undergoes a multi-stage quality control process to meet the rigorous demands of international construction standards.
Marine-Grade Aluminum: We use high-strength 6063-T5 aluminum alloy, certified for its corrosion resistance and mechanical integrity.
Full Traceability: Each batch of raw material is logged with traceable batch numbers, ensuring accountability from supplier to finished product.
CNC Accuracy: Every elbow is cut, bent, and formed using CNC-controlled machinery for consistent shape and fit.
Tolerance Monitoring: Key dimensions-such as diameter, wall thickness, and bend radius-are checked hourly using calibrated tools.
Visual & Manual Surface Checks: All elbows are examined for visible defects like scratches, extrusion marks, or dents.
Adhesion Testing: Powder-coated or anodized finishes are tested with cross-hatch methods to ensure strong coating adhesion and long-term durability.
Simulated Rainfall Test: Randomly selected elbows are subjected to water flow to test sealing effectiveness at the joint.
Gasket Seal Inspection: If applicable, integrated silicone or rubber gaskets are pressure-tested for watertight performance.
Salt Spray Test (ASTM B117): Elbows undergo up to 500 hours of salt spray exposure to verify corrosion protection in harsh conditions.
UV Exposure Test: Coated surfaces are tested under UV light to confirm color retention and surface stability over time.
Compression and Fit Test: Each elbow is tested for shape retention and joint compatibility during assembly.
Drop Resistance Check: Elbows are subjected to simulated drop tests to ensure they remain undamaged during handling or installation.
100% Visual Inspection: Each unit is inspected prior to packing to confirm it meets our visual and dimensional standards.
Batch Labeling: Barcodes and batch data are applied to ensure traceability for both domestic and international shipments.
ISO 9001 Certified Processes: Our quality management system is fully aligned with ISO 9001 standards.
Customer Feedback Integration: We collect and review customer input and field data regularly to refine product design and quality procedures.
Choose Mo Ding's 90-Degree Aluminum Drain Elbow - engineered for long-lasting performance, corrosion resistance, and a perfect fit in every downspout system.
Product Scope:
90-degree aluminum downspout elbows and related pipe connectors (must be clean, free from rust, dents, or scratches, with full quality inspection passed).
Packaging Materials:
Surface Protection: Bubble wrap, foam padding, or pearl cotton (especially for small or coated components)
Classified Storage: Grid separators, plastic trays, or partition boxes (to prevent product mixing and collision)
Securing Wraps: Stretch film or heat shrink wrap (for outer packaging consolidation)
Edge Protection: Corner protectors, rigid edge guards, or plastic angle corners (to shield sharp bends and edges)
Fastening Tools: Nylon cable ties, industrial tape, or adjustable straps (to secure bundles and layered packaging)
Boxing: Thick corrugated cardboard boxes or custom plastic crates (ideal for mid-size quantities)
Heavy-Duty Transport Units: Wooden crates (fumigated if exporting) or metal-reinforced cases (for bulk or export orders)
Palletization: Steel or plastic pallets (mandatory for container/truck transport)
Corrosion Control: Desiccants and anti-rust bags (for long-term storage or marine shipments)
Ensure elbows are dry, free from debris, and have no visible defects.
Inspect threaded areas, sealing faces, and coating (anodized or painted) for integrity.
Conduct dimensional checks using precise measuring tools.
Sort by model, aluminum alloy type (e.g., 6061-T6, 6063), and size specifications.
Small accessories (e.g., clamps, brackets) should be packed in separate, labeled compartments or zip bags.
Apply anti-corrosion oil on exposed threaded sections and wrap individually in protective film.
Use a space-saving "nesting" arrangement for elbows.
Place foam mats or rubber sheets between stacked layers to avoid metal-on-metal contact.
Reinforce 90-degree corners with dense foam or corner guards to prevent deformation during transit.
Wrap the assembled package with multiple layers of stretch film or heat shrink film for waterproof sealing.
For large connectors, use cushioned wooden crates or framed enclosures to stabilize and protect the parts.
For packaged kits (e.g., connector + clamps), include a checklist and pack as individual sets to avoid installation errors.
Use vacuum-sealed bags or moisture-proof pouches with humidity indicators for sea or long-term storage.
Clearly label high-grade alloys or anti-corrosive versions with "No Acid/Base Exposure" tags.
Attach waterproof labels on each box indicating:
Product Name | Size | Alloy Grade | Quantity | Batch No. | Manufacturer Info
Use standard caution signs: "Fragile", "Keep Dry", "This Side Up", "Do Not Stack".
Export goods must include shipping marks, including UN/IMO labels if needed.
Stack boxed connectors on pallets (maximum 5 layers), using divider boards for load distribution.
For long components (>2m), secure in horizontal position with side supports and protective top cushioning.
For container loading, use airbags or fillers to minimize internal movement.
Cold-sensitive applications: Apply insulation layers and tag as "Cold Chain Required".
Air transport packaging must follow IATA crate specifications (no flammables, certified wooden packaging).
Store in clean, dry warehouses with humidity ≤65%.
Keep away from corrosive substances such as acids and alkalis.
Inspect and reapply anti-rust agents for long-term inventory.
Every shipment must include a Packing List and Inspection Certificate showing date, inspector, and packaging details.
QR codes or digital tags should link to traceability records, including production, packaging, and shipment logs.
Do not pack aluminum elbows with sharp tools (e.g., drills, saw blades).
Avoid manual tossing or dragging; always use lifting aids or padded carriers.
For customized components, coordinate delivery and loading plans in advance with your logistics provider.
Applications: Residential: Aluminum gutters are common in homes due to their affordability and ease of installation. Commercial: Used in larger
buildings, often in seamless designs for higher efficiency. Industrial: In large industrial settings, aluminum gutters help manage water runoff in
factories and warehouses.
Rainwater Management
Primary Function: Aluminum gutters efficiently collect and direct rainwater from the roof to downpipes, protecting the building's walls, foundation, and surrounding landscape.
Prevents: Water pooling, soil erosion, foundation damage, mold growth, and exterior wall stains.
Roof Drainage Systems
Installed along roof edges to capture and guide water runoff.
Suitable for residential, commercial, and industrial buildings.
Compatible with various roof types: sloped, flat, tiled, or metal.
Rainwater Harvesting Systems
Aluminum gutters can funnel rainwater into storage tanks for reuse in irrigation, flushing, or even filtration for household use.
Accessories such as leaf guards and first flush diverters are commonly used to enhance water quality.
Fascia Protection
Gutter systems, including aluminum gutters, often include fascia brackets or boards to cover and protect the fascia board from weathering and water damage.
Architectural Aesthetics
Available in various finishes (such as anodized or powder-coated) and profiles to match building design.
Adds to the architectural detailing of the roof edge, providing a clean and modern finish.
Ventilation Drainage
In industrial buildings or large commercial halls, aluminum downpipes may be used as part of HVAC systems to drain condensate efficiently.
| Accessory | Function / Application |
|---|---|
| Downspouts | Direct water from gutters to ground-level drainage or a 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 and ensure smooth water flow. |
| Gutter Joiners | Securely connect two lengths of gutter, creating a continuous flow path for rainwater. |
| Brackets/Clips | Secure gutters to the fascia board or building structure, ensuring they stay in place. |
| Leaf Guards | Prevent leaves and debris from clogging the gutter system, improving performance. |
| Drop Outlets | Connect gutters to downspouts, creating a smooth and uninterrupted water path. |
| Expansion Joints | Allow movement due to temperature changes, preventing cracking or distortion in the gutter system. |
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.
Q1: What materials are used in the Mo Ding 90° aluminum drain elbow?
A: Mo Ding's 90-degree drain elbows are crafted from high-quality aluminum alloys such as 6061, 5052, and 1100. These alloys deliver outstanding corrosion resistance, structural durability, and long-lasting performance in demanding outdoor conditions.
Q2: What downspout sizes does the elbow fit?
A: Our 90-degree elbows are engineered to connect seamlessly with round or square downspouts from 60mm to 100mm. Custom sizes and profiles can be made to fit specific system requirements or architectural details.
Q3: How strong is the 90° aluminum drain elbow?
A: Each elbow is designed for strength and stability, capable of withstanding structural loads and sustained water flow. With a tensile strength of ≥ 200 MPa, they ensure leak-proof and long-term reliability in various weather environments.
Q4: How is the 90-degree drain elbow installed?
A: Installation is simple and adaptable. The elbow can be connected using slip-fit, screws, rivets, or sealed with silicone gaskets. It fits most standard systems and doesn't require any specialized adhesives or welding.
Q5: Is it suitable for extreme outdoor use?
A: Yes. Mo Ding's 90-degree aluminum elbows are specifically made for outdoor use, withstanding UV exposure, acid rain, coastal salt spray, and extreme temperatures. Perfect for both inland and coastal installations.
Q6: What is the working temperature range?
A: The elbow performs reliably in a wide range of temperatures, from -40°C to +85°C, ensuring stable operation in both freezing and hot climates.
Q7: Is the aluminum elbow environmentally friendly?
A: Absolutely. The product is made from 100% recyclable aluminum, supporting sustainable construction practices and green building standards.
Q8: How does it compare to other materials?
A: Compared to plastic or galvanized steel elbows, Mo Ding aluminum elbows offer superior resistance to corrosion, longer service life, lighter weight for easier handling, and robust mechanical strength for a secure, watertight connection.
Q9: How is the elbow packaged for delivery?
A: Standard packaging includes PE bags, foam-protected cartons, or bulk boxes, with internal padding to prevent damage. We also offer OEM packaging solutions with branding upon request.
Q10: Can I request custom shapes, colors, or sizes?
A: Yes. Mo Ding supports OEM/ODM services including custom dimensions, round or square profiles, powder-coated finishes (RAL colors), and embossed branding tailored to your project.
Q11: What is the production lead time?
A: Lead time is typically 7-15 business days after order confirmation. Large volume or highly customized orders may require additional time. Rush production and delivery options are available.
Q12: Does the elbow resist vibration and movement?
A: Yes, our drain elbows are designed with precision fits that minimize pipe vibration and prevent movement under wind load, water surge, and runoff impacts.
Q13: What are the shipping methods?
A: We offer flexible logistics including sea freight, air shipping, and land transport. For bulk orders, we optimize loading - up to 40,000-60,000 units can fit in a 20-foot container, ensuring cost-efficient shipping.
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