Engineered for gravity drainage, soil discharge, industrial effluent handling, and integrated site MEP installations. Certified according to stringent European construction benchmarks.
Designed for residential and industrial gravity discharge networks, exhibiting zero scale accumulation and exceptional hydraulic efficiency.
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High stiffness class (SN4 / SN8) unplasticized polyvinyl chloride pipe for underground municipal and storm drain configurations.
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Integrated internal routing structure with low friction coefficients, optimized for fiber optic and municipal telecommunication routing.
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Self-extinguishing PVC-U conduit, delivering exceptional compressive resistance and dielectric protection for industrial wiring.
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Non-toxic, lead-free formulation certified for potable municipal water distribution under working pressures up to PN16 (1.6 MPa).
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Engineered for utility fuel gas conveyance with advanced slow-crack growth (SCG) and rapid crack propagation (RCP) defense.
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Heavy structural framing solutions produced in Tianjin & Tangshan mills, supporting joint shipments alongside plastic MEP packages.
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Rigid load-bearing tubular systems with heavy zinc anti-corrosive coatings, pairing seamlessly with utility fluid piping runs.
Request Instant QuoteNavigating compliance standards, material formulations, and non-pressure hydraulic dynamics across modern urban and industrial environments.
The Construction Products Regulation (CPR) requires documented Factory Production Control (FPC). For drainage, adherence to EN 1329-1 (within building structures) and EN 1401-1 (buried underground) ensures verifiable wall thickness tolerances, Vicat softening points ≥79°C, and longitudinal reversion under 5%.
Traditional heavy metal stabilizers have been comprehensively phased out in certified Chinese production clusters. Contemporary PVC-U systems utilize Calcium-Zinc (Ca-Zn) or organic-based thermal stabilizers, guaranteeing compliance with EU REACH annexes and zero carcinogenic plasticizer leaching.
With an absolute roughness index of k = 0.007 mm (Hazen-Williams C factor ≥ 150), PVC-U eliminates boundary layer friction and scale buildup common in cast iron and concrete drainage. This allows engineers to downsize nominal diameters without sacrificing discharge velocity.
Inside the world’s densest industrial hub: automated compounding, parallel twin-screw extrusion, and unified multi-material consolidation.
Factory operations in Daqiuzhuang leverage computer-automated gravimetric dosing systems coupled with conical and parallel counter-rotating twin-screw extruders. Continuous in-line ultrasound sensors scan 100% of the pipe perimeter, ensuring uniform wall thickness, zero void formation, and absolute dimensional consistency from DN50 through DN630.
Large infrastructure works require more than drainage lines. Operating over 1,500 acres across Tianjin and Tangshan, HZXY enables contractors to mix full orders of PVC-U drainage pipes with H-beams, sheet piles, galvanized pipes, and industrial valves in unified container manifests, drastically slashing freight deadweight and administrative customs overhead.
Dimensional specifications, ring stiffness classifications, and chemical tolerance thresholds verified through standardized third-party mill testing.
| Nominal OD (dn mm) | Wall Thickness (EN 1329 - Bldg) | Wall Thickness (EN 1401 - SN4) | Wall Thickness (EN 1401 - SN8) | Tensile Strength (MPa) | Vicat Softening Temp |
|---|---|---|---|---|---|
| 50 mm | 1.8 mm | N/A (Internal Soil Only) | N/A | ≥ 45 MPa | ≥ 79°C |
| 75 mm | 1.9 mm | N/A (Internal Soil Only) | N/A | ≥ 45 MPa | ≥ 79°C |
| 110 mm | 2.2 mm (B) / 3.2 mm (BD) | 3.2 mm | 3.2 mm | ≥ 45 MPa | ≥ 80°C |
| 160 mm | 3.2 mm (B) / 4.0 mm (BD) | 4.0 mm | 4.7 mm | ≥ 45 MPa | ≥ 80°C |
| 200 mm | 3.9 mm (B) / 4.9 mm (BD) | 4.9 mm | 5.9 mm | ≥ 48 MPa | ≥ 81°C |
| 250 mm | 4.9 mm (B) / 6.2 mm (BD) | 6.2 mm | 7.3 mm | ≥ 48 MPa | ≥ 81°C |
| 315 mm | 6.2 mm (B) / 7.7 mm (BD) | 7.7 mm | 9.2 mm | ≥ 50 MPa | ≥ 82°C |
From high-rise vertical stacks to industrial chemical transfer lines, tailored formulations guarantee multi-decade integrity.
Configured with acoustic-dampening spiral inner ribs to reduce kinetic noise below 45 dB(A). Integrated expansion sockets absorb linear thermal movement (ΔL = 0.08 mm/m·°C) without stressing joint seals.
Designed for installation beneath roadways and runways. Pipes with SN8 ring stiffness withstand extreme dynamic wheel loading and lateral subsoil pressure, completely eliminating crack-inducing deflection.
Inert against corrosive compounds spanning pH 2 to pH 12, including sulfurous acids, raw sewage, and brine. Excellent alternative to expensive high-nickel alloys or rubber-lined steel for industrial processing.
The drainage pipe sector is transitioning from commodity production into high-performance, carbon-accountable engineering.
Advanced 3-layer co-extrusion technology embeds certified closed-loop post-consumer recyclate (rPVC) into the intermediate structural core, reducing virgin polymer dependence by 40% while preserving pure virgin skins.
By stretching extruded PVC biaxially under tight thermal parameters, crystalline lamellae align in hoop and axial directions, boosting impact strength five-fold and cutting required wall material by 30% for pressure applications.
Smart drainage systems now incorporate passive RFID micro-chips and acoustic sensor sleeves along inspection tees, enabling non-invasive pipeline mapping, remote leak localization, and real-time sediment monitoring via SCADA.
How tier-1 EPC contractors maximize purchasing power through smart nesting configurations and clear incoterm execution.
Unplasticized PVC pipes have a low weight-to-volume ratio. Our Tianjin packing facilities systematically nest smaller diameters (DN50, DN75, DN110) within larger host conduits (DN200, DN315), boosting 40ft HC container space utilization by up to 240%.
Every shipment is delivered with comprehensive qualification documents. Independent third-party inspection agencies (SGS, BV, TUV) are routinely hosted to run on-site Vicat tests, impact drops, and tensile strength verifications before container sealing.
Supported by 30+ years of export operations, our documentation specialists handle complex multi-currency Letter of Credit terms, Form E/A certificates of origin, and coordinated FOB/CIF shipments departing smoothly through Tianjin Port.
Essential details covering CE certifications, testing protocols, shipping logistics, and multi-product consolidated orders.
For European harmonized standards, non-pressure PVC-U drainage is divided into two primary benchmarks: EN 1329-1 covers soil and waste discharge systems within building structures (Application Area "B") and buried in building structures (Application Area "BD"). For underground gravity sewer systems outside buildings, EN 1401-1 applies, defining structural ring stiffness classes such as SN4 and SN8.
HZXY is headquartered in the Daqiuzhuang Industrial Zone, Jinghai District, Tianjin, China—one of the largest steel and industrial polymer processing clusters globally—with a second base in Tangshan. Most export orders are shipped directly via Tianjin Port (Xingang), the primary maritime hub of northern China.
Our production facilities maintain continuous quality control from resin incoming tests to final extrusion checks. Mill Test Reports (MTR) are provided with every batch. Overseas buyers are welcome to appoint independent inspection agencies (such as SGS, Bureau Veritas, or Intertek) to verify dimensions, impact resistance, and softening parameters prior to dispatch.
Yes. A key strength of HZXY is multi-category supply consolidation. Contractors can combine structural sections (H-beams, channel, angle), steel coils, deformed rebar, steel pipes, PVC-U drainage pipes, and industrial control valves into a single order, dramatically lowering multi-vendor procurement and freight management costs.
Solvent weld joints use PVC solvent cement to fuse the pipe and socket chemically, creating a rigid monolithic leak-proof bond ideal for internal vertical and horizontal plumbing. Rubber ring socket joints (elastomeric seals) allow axial flexibility and absorb thermal movement, making them preferred for underground municipal systems.
You can request our comprehensive specification manuals via our Request a Catalog portal or by emailing our international commercial department directly at [email protected]. We provide detailed catalogs featuring dimensional tables, wall thicknesses, resin ratings, and packing specifications.
Select any product category below to view standardized grades, dimensional options, and current factory pricing.
Universal industrial beams for load-bearing framing, crane runways, and superstructure construction projects worldwide.
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Perforated and solid structural angle steel for electrical transmission towers, bracing, and mechanical truss supports.
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Engineered for purlins, equipment mount frames, and exterior building framing with superior resistance to oxidation.
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High-precision coiled sheets for industrial stamping, cold-formed sections, and pipe manufacturing, offered with custom slitting.
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Deformed ribbed steel bar from 6 mm to 32 mm, engineered for civil foundations, precast elements, and bridge piers.
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Anti-corrosion flat bar for outdoor infrastructure, lightning protection grounding systems, and fabrication mounting brackets.
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Corrosion-resistant galvanized and black plain round bars for machining, tie rods, and structural foundation anchor bolts.
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Gate, butterfly, check, and ball valves engineered to integrate seamlessly with both metallic and PVC piping systems.
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