| Customization: | Available |
|---|---|
| After-sales Service: | on Line Technology Support |
| Warranty: | Life Time |
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A PVC gutter system elbow is an essential fitting component in modern rainwater drainage infrastructure, engineered to redirect water flow efficiently at directional changes in the system. Manufactured from high-impact, UV-stabilized polyvinyl chloride (PVC), these elbows are designed for long-term resistance to weathering, thermal expansion, and chemical exposure.
Functioning as a connector between linear gutter profiles, the elbow enables smooth transitions around fascia corners, eaves, soffits, or other architectural projections. Available in standardized angles such as 45° and 90°, these elbows are compatible with a variety of half-round and K-style gutter systems, ensuring proper slope and hydraulic flow continuity.
Thanks to their lightweight, corrosion-resistant construction, PVC elbows are easy to install using solvent cement bonding, mechanical fasteners, or snap-fit locking mechanisms, making them suitable for both new construction and retrofit applications. Their low-maintenance nature and long service life make them a cost-effective solution for both residential cladding systems and commercial roofing and drainage assemblies.
By maintaining consistent flow and preventing water stagnation, PVC elbows help protect building envelopes, siding, foundations, and fascia boards from moisture-related deterioration.
| Parameter | Specification |
|---|---|
| Base Material | Unplasticized Polyvinyl Chloride (uPVC) |
| UV Resistance | UV-stabilized with additives (TiO or proprietary agents) |
| Chemical Resistance | Resistant to acids, alkalis, salts, and atmospheric agents |
| Toxicity | Lead-free, cadmium-free, RoHS compliant |
| Flame Retardancy | Self-extinguishing (UL 94 V-0 to V-2 rated) |
| Weathering Resistance | Excellent - resistant to discoloration and degradation |
| Parameter | Specification |
|---|---|
| Color | Standard: White, Brown, Grey; custom colors available |
| Surface Finish | Smooth or slightly textured matte finish |
| Density | 1.35 - 1.45 g/cm³ |
| Water Absorption | < 0.1% (per ASTM D570) |
| Thermal Expansion | 50 - 80 × 10 /°C (linear) |
| Working Temperature | -10°C to 60°C (short-term: up to 70°C) |
| Parameter | Specification |
|---|---|
| Tensile Strength | ≥ 45 MPa (per ASTM D638) |
| Impact Resistance | High - Notched Izod Impact ≥ 2.0 kJ/m² (ASTM D256) |
| Flexural Strength | ≥ 80 MPa (per ASTM D790) |
| Load Capacity | Designed to hold up to 15-25 kg per hanger (varies by design) |
| Elastic Modulus | 2.5-3.0 GPa |
| Creep Resistance | Good under prolonged loading |
| Feature | Details |
|---|---|
| Mounting Type | Fascia-mounted or rafter-mounted, snap-in or screw-in style |
| Installation | Tool-free or requires basic tools (screwdriver/drill) |
| Gutter Compatibility | K-style, half-round, box gutters |
| Adjustment Features | Some models include pitch adjustment mechanisms |
| Corrosion Resistance | No rusting - ideal for coastal or humid areas |
| Maintenance | Low - periodic visual checks and basic cleaning |
| Lifespan | 20+ years under normal conditions |
Excellence at Every Turn - Hangzhou Lin'an Mo Ding Building Materials Co., Ltd.
At Hangzhou Lin'an Mo Ding Building Materials Co., Ltd., quality is embedded in every stage of our PVC gutter elbow production. Our robust quality control protocol ensures each elbow offers long-lasting performance, precise fitment, and resilience under demanding environmental conditions. Below is our step-by-step process to ensure excellence:
Material Assurance:
Use high-grade PVC resin with confirmed purity and consistency.
Verify formulation with exact ratios of resin, stabilizers, impact modifiers, and pigments.
Screen for contaminants and ensure moisture content is below 0.1%.
Testing Procedures:
Visual inspections to detect discoloration or inconsistencies.
Melt Flow Index (MFI) testing to ensure processing consistency.
UV resistance and impact strength tests for long-term performance.
Process Monitoring:
Control injection temperature, pressure, and cooling rates for dimensional integrity.
Ensure proper mold alignment to prevent warping and misalignment at bends.
Output Goals:
Uniform molding with smooth curvature, no air pockets, and sharp angle definition.
QC Actions:
Regular process audits and surface quality checks on molded components.
Critical Measurements:
Check inside and outside diameters, wall thickness, elbow angle (45°/90°), and socket depth.
Tools & Tolerances:
Use digital calipers, angle gauges, and go/no-go fixtures.
Maintain dimensional tolerances within ±0.3 mm.
Mechanical Testing:
Perform hydrostatic pressure tests to simulate high-flow drainage conditions.
Conduct impact and flexural strength testing at room and sub-zero temperatures.
Drop tests from 1.5-2 meters to check for cracking or deformation.
Visual Standards:
Elbows must have a clean, uniform finish (matte or gloss per spec).
No visible weld lines, sink marks, flow lines, or burn spots.
Rejection Criteria:
Discoloration, rough textures, cracks, or any surface defects.
Compatibility Checks:
Verify seamless connection with gutter sections and downspouts.
Perform dry fit tests and snap-fit simulations for field-ready installation.
Retention Testing:
Conduct pull-out and leak tests to ensure a watertight, secure seal.
Outdoor Durability:
Integrate high-grade UV stabilizers into the compound.
Conduct QUV accelerated weathering tests (1,000-1,500 hours).
Measure post-test color shift (ΔE < 2) and mechanical degradation (<5%).
Precision Work:
Ensure machined or slotted elbows meet functional alignment specs.
Utilize CNC tools and optical comparators to maintain cut accuracy within ±0.15 mm.
Final QC Checks:
100% visual inspection for cracks, defects, or discoloration.
Confirm correct angle and dimensional accuracy.
Packaging Control:
Wrap elbows in anti-static, UV-resistant sleeves.
Include QR-coded labels for batch traceability and product verification.
Use shock-resistant packaging to prevent deformation in transit.
Record Management:
Maintain full traceability via digital MES-linked batch records, test logs, and operator logs.
Capture and resolve Non-Conformance Reports (NCRs) through corrective action tracking.
Through precision engineering, rigorous testing, and continuous improvement, Mo Ding ensures that every PVC gutter elbow delivers exceptional reliability, leak-free performance, and long-term durability-no matter the climate or installation.
| 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 |
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.
Established in 2011 and headquartered in Gaohong Industrial Park, Hangzhou Lin'an Mo Ding Building Materials Co., Ltd. is a distinguished high-technology enterprise specializing in the research, development, manufacturing, distribution, and technical support of advanced construction materials. The company is an industry leader in high-performance drainage systems and environmentally sustainable building solutions.
Mo Ding provides an extensive portfolio of products and services, encompassing polyvinyl chloride (PVC) and aluminum alloy drainage systems, interior and exterior wall and ceiling panels, and a comprehensive array of components engineered for longevity and ecological responsibility. Its flagship offering, the Ward high-performance rainwater system, incorporates cutting-edge design and materials, delivering superior drainage efficiency-up to twice that of conventional systems-and exceptional resilience against adverse climatic conditions.
The company delivers integrated, end-to-end solutions, including professional design consultation, technical expertise, seamless installation, and robust after-sales support. Committed to excellence, Mo Ding adheres to ISO 9001 quality management standards and provides certified, lead-free products that align with global green building initiatives. Catering to both domestic and international markets, Mo Ding collaborates with architects, developers, and contractors to deliver aesthetically refined, durable, and leak-proof drainage solutions for residential, commercial, and iconic architectural projects.
Guided by a commitment to innovation and sustainable development, Mo Ding continues to strengthen its global footprint, positioning itself as a premier brand in eco-conscious construction materials.
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