LANGLI PVC Request a Catalog LANGLI PVC Request a Catalog Engineered to precise tolerance standards (BS EN 61386 / DIN / ASTM) for global industrial execution.
Operational Excellence from Foshan Shunde Langli Hardware Electrical PVC Co., Ltd. (Established 1989)
The global demand for high-performance Unplasticized Polyvinyl Chloride (UPVC) piping systems, conduit networks, and integrated trunking solutions is undergoing a structural expansion. Driven by rapid urban expansion, grid modernization, telecom infrastructure deployment, and heavy industrial plant construction across North America, the Middle East, Europe, and Southeast Asia, enterprise buyers require robust OEM/ODM manufacturing partnerships that guarantee long-term operational resilience.
Modern high-rise commercial installations demand non-conductive, self-extinguishing cable management systems. Custom UPVC conduit and trunking arrays prevent thermal runaway hazards while maintaining dimensional integrity under high dynamic mechanical loads.
Industrial processing facilities require piping networks immune to aggressive chemical erosion, acid fumes, and galvanic corrosion. Precision-extruded UPVC pipes provide complete chemical inertness across pH levels from 2 to 12.
Underground optical fiber networks require high-impact, smooth-bore UPVC ducting. Low coefficient of friction interiors reduce cable pulling tension, lowering installation times and labor costs for smart-city deployments.
Uncompromising structural integrity achieved through optimized polymer chain chemistry.
Unplasticized Polyvinyl Chloride (UPVC) differs fundamentally from plasticized PVC variants due to the total exclusion of phthalates and external plasticizing agents. This creates a highly rigid, densely cross-linked polymer matrix offering superior mechanical strength, high Vicat softening temperatures, and exceptional flame-retardant properties.
Engineered with intrinsic chlorine content, UPVC exhibits a high Limiting Oxygen Index (LOI > 32%). Flame propagation ceases instantly upon removal of the ignition source, generating minimal toxic combustion byproducts.
Formulated with modified acrylic impact modifiers, custom UPVC conduits absorb high physical impact at sub-zero temperatures without cracking, ensuring site survival under heavy concrete pours.
With a dielectric strength exceeding 25 kV/mm, UPVC prevents electrical breakdown, eliminating short-circuit hazards in high-density industrial switchgears and main distribution boards.
Direct comparison of international manufacturing specifications adhered to by OEM/ODM UPVC producers.
| Specification Parameter | BS EN 61386 Standard | DIN Industrial Series | ASTM / Imperial Series | Langli Custom Factory Spec |
|---|---|---|---|---|
| Diameter Range (OD) | 20mm, 25mm, 32mm, 40mm, 50mm | 16mm to 50mm Smooth Metric | ½", ¾", 1", 1-¼", 1-½", 2" | 10mm up to 200×100mm (Custom) |
| Wall Thickness Tolerance | ±0.15 mm (Heavy Duty) | DIN 8062 Class 3 Spec | Schedule 40 / Schedule 80 | Precise CNC Machined ±0.08 mm |
| Thermal Resistance | -5°C to +60°C Operating | -15°C to +70°C Operating | Up to 140°F (60°C) Continuous | Vicat Softening > 82°C |
| Impact Resistance Class | Medium / Heavy Duty (Class 3/4) | High Shock Load Modified | ASTM D2444 Impact Tested | Exceeds 2.0 Joules at -5°C |
| Flammability Rating | Self-Extinguishing (Non-Flame) | DIN 4102 B1 Rating | UL94 V-0 Certified | RoHS & CE Verified Self-Extinguishing |
From custom tooling design to private-label export packaging, our manufacturing plant delivers turnkey ODM/OEM solutions tailored to global buyers.
Our in-house toolroom manages 900+ active mold sets and develops custom profiles within 30–45 days using 3D CAD modeling and CNC die machining.
Custom resin compounding ensures exact Pantone color matching (Signal White, Charcoal Grey, Jet Black, Safety Orange, and Wood Grain finishes) with high UV stabilization.
32 high-tonnage injection machines produce precision socket tolerances, ensuring seamless push-fit connection with conduit fittings and trunking angles.
Inline laser printing, inkjet marking, and customized export cartons with barcoding, batch identification, and country-of-origin details.
Navigating global border customs and tender compliance requires validated third-party certification and strict quality assurance testing at every production phase.
All UPVC products comply fully with Low Voltage Directive 2014/35/EU and RoHS Directive 2011/65/EU, ensuring zero lead, cadmium, or hazardous plasticizers.
Custom formulations engineered to withstand extreme ambient temperatures up to 55°C and severe UV radiation levels, fully aligned with SASO and G-Mark standards.
Manufactured to meet ASTM D1784 rigid PVC compound standards and NEMA TC-2 conduit specifications for surface and encasement installations.
Expert answers from our engineering export team regarding custom UPVC piping and trunking procurement.
We tool and mould fittings for BS 4607 / BS EN 61386 (20mm, 25mm, 32mm, 40mm, 50mm), DIN / European 16–50mm series, ASTM & imperial ½"–2" conduit, plus mini-trunking profiles from 10×10mm up to 200×100mm. Full CE conformity and RoHS test reports are available for review.
For standard catalog items, the practical MOQ is one mixed 20ft container, allowing buyers to combine fast-moving trunking with conduit fittings. Single-SKU trial orders start from 20 cartons. Standard lead times are 15–25 days after deposit; custom color matching or private-label packaging requires 25–35 days.
Yes. Utilizing 900 sets of in-house moulds and automated compounding, we manufacture white, black, grey, ivory, and Pantone-matched colors. We apply laser or ink-jet brand marking directly on the fitting or pipe surface and supply full-color private-label export cartons with your customized barcode and part numbers.
Every batch undergoes wall-thickness dimensional checks, socket inter-compatibility testing, low-temperature drop-impact testing, and flammability verification (UL94 V-0 options). Inspection reports travel with shipping documents, and third-party pre-shipment inspections (SGS, Intertek, BV) are fully supported.
UPVC offers complete immunity to electrochemical corrosion, soil acids, alkalis, and atmospheric salt spray. Unlike metal conduits, UPVC does not rust, pit, or scale, maintaining smooth interior walls that eliminate wire abrasion during pulling operations over decadal lifespans.
Explore our wholesale catalog SKUs optimized for international distributor inventory consolidation.
Eliminate intermediary trading margins. Submit your technical drawings, standard preferences, and target container quantities directly to our Foshan engineering desk.
End Of Baizhang Industrial 3 Road, Leliu Town, Shunde District, Foshan City, Guangdong, China
