Middleman Markups of 25–40%

Three or four intermediaries between you and the factory inflate prices. A $0.85 elbow becomes $1.40+ after each reseller layer takes their margin.

Regrind Resin & Brittle Failures

Low-cost suppliers mix regrind ABS resin into the molded elbow. The result: micro-cracks at the socket, solvent weld blowouts, and costly callbacks under pressure testing.

Inconsistent Socket Depth & Tolerances

One batch fits, the next leaks. Poorly molded socket faces and off-center 45° angles cause alignment problems in the drain-waste-vent (DWV) stack.

High Freight Costs on Fittings

Fittings are bulky and weigh very little. LCL shipping rates for scattered small orders can add more to the total landed cost than the product price itself.

Missing Compliance Documentation

You need ASTM test reports, ISO 9001 evidence, and material certs for building inspections. Many suppliers simply cannot produce them — delaying your approval process.

📐 Dimensional & Material Data

✔️ Key Performance Features

• ✅ 100% virgin ABS resin — no regrind, no fillers, no recycled content that causes brittleness.
• ✅ Precision-machined socket faces for solvent-cement joint integrity every time.
• ✅ Consistent 45° angle within ±30 arc-minutes — critical for proper drainage slope.
• ✅ 0.145" Sch. 40 wall — full-pressure integrity for vertical stack applications.
• ✅ NSF/ANSI 14 listed (on request) for potable-safe DWV use in regulated jurisdictions.
• ✅ UV-stabilized formulation available for above-ground vent stacks exposed to sunlight.
• ✅ Laser-marked size & batch code — full traceability from resin pellet to finished fitting.

⚙️

Impact & Toughness

ABS is engineered for mechanical abuse. It withstands dropped tools, shifting foundation loads, and accidental impact better than many alternative thermoplastics — reducing cracked-fitting callbacks in the field.

🌡️

Thermal Performance

With a continuous service range from -40°F to 176°F, ABS handles hot wastewater discharge from dishwashers and washing machines without losing structural integrity.

🔊

Acoustic Damping

ABS has inherently better sound-damping characteristics than thin-wall metal piping. In multi-story residential buildings, this reduces noise transfer from waste flow — a major resident satisfaction factor.

🧪

Chemical Resistance

ABS resists the dilute acids, alkalis, and detergents commonly found in household drainage — proving less susceptibility to pitting and scaling than metal systems.

♻️

Sustainable Manufacturing

Our injection-molding process recycles 100% of manufacturing sprues internally. Scrap rate under 1.5%, and all finished goods are 100% recyclable at end-of-life.

💧

Self-Cleaning Flow Path

The smooth interior wall (0.00025" RMS roughness) minimizes solids catch points, keeping the 45° branch free-flowing and self-scouring at code-minimum slopes.

Where the 1 1/2 ABS 45 Elbow Fits in Residential Drainage Networks

The 1 1/2" ABS 45 elbow is the go-to fitting for allowing directional changes in drain, waste, and vent (DWV) systems without the sharp pressure drop of a 90° bend. Common placement in North American and European residential construction includes:

• 🛁 Bathtub & shower drain lines — connecting the 1-1/2" trap arm to the branch line.
• 🚽 Toilet vent branches — transitioning from the waste line toward the vent stack at a code-compliant slope.
• 🍳 Kitchen sink drain lines — guiding flow from the trap to the main 2" or 3" horizontal run.
• 🏠 Multi-story DWV stacks — allowing offset alignment of the vertical stack to navigate framing obstructions.
• 📐 Laundry standpipe connections — a standard 1-1/2" connection from the washing machine standpipe to the main drain.

ASTM D2661

Specification for ABS Sch. 40 DWV fittings

NSF/ANSI 14

Plastics piping system components

ISO 9001:2015

Certified quality management (certificate available)

REACH & RoHS

EU chemical compliance on request

📦 Minimum Order Quantity (MOQ)

Standard MOQ: 20 cartons (approx. 2,000 pcs) for stock sizes.
Sample orders: available from 5 pieces with freight to collect.
OEM/private-label MOQ: 50,000 pcs, including custom color, packaging, and laser marking.

💵 Pricing Approach

Ex-works, FOB (Tianjin/Qingdao), CIF, or DDP options available. Tiered pricing based on annual volume:
3K–10K pcs → base wholesale price
10K–50K pcs → −7% discount
50K+ pcs → −12% discount + dedicated QC plan

🚢 Logistics Optimization

A 40-foot container holds approximately 580,000 pcs of 1-1/2" ABS elbows (collapsed carton nesting). We consolidate mixed SKUs (tees, couplings, elbows) to maximize your freight budget — up to 18% freight savings versus LCL.

⏱️ Delivery Lead Time

Stocked items: shipped within 7 days of payment.
Production runs: 18–22 days after deposit.
Full container load: ready in 25–30 days — fast-track line available for urgent projects.

Mike R.

Purchasing Manager, Ontario, Canada

"We compared quotes from three Chinese suppliers. Weihuan wasn't the absolute cheapest, but their dimensional reports were the only ones that looked credible. After 6 months and 40k elbows, our install rejection rate dropped to near zero."

Derek S.

Supply Chain Head, Texas, USA

"The 18% freight savings from consolidating all my DWV fittings into one 40-footer made a huge difference on my 2025 P&L. And weihuan's QC team sent photos and batch test results before every shipment."

Ingrid M.

Technical Director, Oslo, Norway

"We needed REACH documentation and a unique blue color for a municipal housing project. Weihuan delivered OEM samples in 12 days and production within 3 weeks. Impressive speed and responsiveness."