ASTM D1785 Schedule 40/80 vs. Metallic & Alternative Pipe…

uPVC Pressure Pipes — ASTM D1785 Schedule 40 & 80

Manufacturer	ALFA AL-ARABIA Manufacturing Co., Jeddah, KSA
Material	uPVC (Unplasticized Polyvinyl Chloride)
Governing Standards	ASTM D1785, ASTM D2241, ASTM D2467
Pressure Class / Schedule	Schedule 40 & Schedule 80 (SDR 13.5 to SDR 41)
Diameter Range	1/2" to 8" IPS (Nominal Pipe Size)
Color	Dark Grey / White
Jointing System	Solvent Cement Socket & Plain End (Threaded Optional)
Temperature Range	0°C to 60°C continuous service
Expected Design Life	50+ years
Stabilizer Type	Non-Toxic Calcium-Zinc (Lead-Free)
Aramco Vendor Code	#10116102

Engineering Properties

Schedule 80 heavy wall for high-pressure industrial service and Aramco specifications
SDR-based pressure ratings from SDR 13.5 (highest pressure) to SDR 41
IPS dimensional compatibility with metallic pipe systems for retrofit applications
Complete solvent weld socket fitting system per ASTM D2467 for permanent joints
Listed under Saudi Aramco Vendor Code #10116102 for non-metallic piping

ALFA AL-ARABIA manufactures this product range at our Jeddah factory (3rd Industrial City) under ISO 9001:2015 quality management (Certificate #QAIC/SA/9001/0192). All products are batch-tested to the applicable standards before dispatch. Technical submittal packages including dimensional schedules, material certificates, and test reports are available upon request. Contact our sales engineering desk for project-specific documentation.

Request Factory Quotation (RFQ)

Contact ALFA AL-ARABIA's sales engineering desk for project-specific pricing, delivery schedules, and Material Approval Request (MAR) documentation for ASTM D1785 Schedule 40/80.

Submit RFQ → Upload BOQ 📞 +966 50 183 5126

Product Resources

Technical Specifications Dimensional Schedule Installation Guide Chemical Resistance Pressure Ratings Jointing Methods Selection Guide Faq Ordering Information Hydraulic Performance Testing Quality Comparison Vs Alternatives

Related ALFA Products

Direct answer: Comparison Vs Alternatives

Comparison Vs Alternatives is an ALFA thermoplastic piping product family page. Use it to confirm the referenced standard family, intended service (pressure, gravity, conduit, or hot service), and the documentation needed for submittals—then request sizes/classes against your BOQ.

Selection & procurement checklist

Check	Why it matters
Governing standard on the datasheet/BOQ	Prevents mixing DIN/ASTM/NEMA dimension systems
Pressure class / Schedule / SN	Must match operating pressure or burial load
Jointing system	Solvent weld vs seal ring changes install method and test timing
Media & temperature	Derate or change compound when temperature rises
Fittings & transitions	Metal interfaces need compatible flanges/adapters

Engineering considerations

Do not size from diameter alone. Confirm hydraulic losses, surge, support spacing, UV exposure for above-ground runs, and chemical compatibility. Where numbers are required for design, use the project specification and published dimensional tables—request current ALFA submittals rather than assuming catalog memory.

Standards context

This page may reference international standard families commonly used in Saudi project specifications (for example DIN, ASTM, or NEMA-related conduit standards). ALFA supplies to the standard stated on the order and submittal package—do not infer unstated certifications from this narrative.

Factory supply from 3rd Industrial City, Jeddah, Kingdom of Saudi Arabia. RFQ: request a quotation · +966 50 183 5126 · Aramco Vendor #10116102.

Frequently asked questions

What information is needed to quote Comparison Vs Alternatives?

Standard, size/pressure class, jointing system, quantities/lengths, fittings list, delivery location, and any submittal/test requirements from the specification.

Can I substitute one pipe standard for another at the same nominal size?

Not without review. Dimensions, pressure classes, and test methods differ across standard families.

How do I contact ALFA for supply?

Use the RFQ form or contact +966 50 183 5126 / sales@alfaalarabia.co. Manufacturing is based at 3rd Industrial City, Jeddah, Kingdom of Saudi Arabia (Aramco Vendor #10116102).

Related resources

Batch-3 completion update: ALFA-specific order data must come from approved submittals—this section does not invent ratings or certifications.

Material Comparison: ASTM D1785 Schedule 40/80 vs. Alternatives