PVC Pipe Guides, Standards & News

Every guide here is written by the 4B Factory technical team for buyers, consultants and contractors working to Saudi standards. Start with the group that matches your decision. Pressure lines usually begin with pressure classes and sizes explained, drainage with choosing drainage pipe, and cable routes with conduit vs duct. If you would rather browse by product, see the full product range.

Standards and specifications

What the standards say, how pressure classes and schedules compare, and the documents buyers ask for.

• PVC Pipe Pressure Classes & Sizes ExplainedPVC & uPVC pressure classes explained: Class 4 = 10 bar, Class 5 = 16 bar, with size charts to SAS & ISO. A 4B Factory technical guide for Saudi projects.
• Schedule 40 vs Schedule 80 PVC Pipe: ASTM D1785 ExplainedSchedule 40 vs 80 PVC pipe compared: wall thickness, pressure rating, and when each is used on Saudi projects. ASTM D1785 guide from 4B Factory, Al-Kharj.
• Technical Specification and Submittal Documentation for PVC Pipe Projects in Saudi ArabiaWhat a PVC pipe technical submittal for Saudi projects should contain: data sheets, SAS/SASO and ASTM references, certificates and samples, from 4B Factory.
• Is uPVC Pipe Safe for Drinking Water? Lead-Free Standards in Saudi ArabiauPVC pipe is a non-metallic, non-leaded plastic. See how food-grade compound and SASO rules keep drinking water pipe safe in Saudi Arabia. Contact us today.
• PVC & uPVC Pipe Chemical Resistance Guide for Saudi ArabiaPVC pipe chemical resistance explained: which acids, alkalis, and solvents it handles safely, and where to avoid it on Saudi industrial projects.
• D54 Duct Pipe Specification for Saudi ArabiaD54 duct pipe is a nominal 96.5 mm OD uPVC duct with a 3.25 to 3.65 mm wall. See full size, standard and length specs for Saudi cable projects and get a quote.
• D56 Duct Pipe Specification for Saudi ArabiaD56 duct pipe is a small-bore unplasticized PVC (uPVC) duct manufactured to British Standard BS 3506, used to protect and route telecom, fiber-optic, and

Selection and how-to guides

Choosing between materials, classes and pipe types, then installing the pipe you pick.

• D54 vs D56 Duct Pipe: Size, Bore and Which to SpecifyD54 duct is 96.5 mm OD and D56 is 56.5 mm OD, so the lower number is the bigger pipe. Compare bore, length, sockets and standards before you specify.
• Best PVC Pipe for Potable Water Supply in Saudi ArabiaSASO ISO 1452 uPVC pressure pipe for potable water in Saudi Arabia: Class 4 (10 bar) vs Class 5 (16 bar), sizing and standards. Made in Al-Kharj.
• How to Choose a PVC Pipe Manufacturer in Saudi ArabiaChoosing a PVC pipe manufacturer in Saudi Arabia means checking SASO and SAS compliance, factory direct manufacture and lead time.
• How to Choose Perforated and Slotted uPVC Pipe in Saudi ArabiaA practical guide to choosing perforated and slotted uPVC pipe in Saudi Arabia: opening type, size, hole spacing, and orientation, matched to your soil.
• How to Install & Join uPVC & PVC Pipes in Saudi ArabiaLearn how to install and join uPVC and PVC pipes in Saudi Arabia, solvent-cement, rubber-ring and Loc-Ring joints, plus bedding and hot-weather site practice.
• PVC Conduit & Duct Selection GuidePVC conduit vs duct explained: choose the right cable protection by standard (NEMA TC 2, SAS 254/255), size & application. Factory-direct from Al-Kharj.
• PVC Pipe Fittings Guide: Types, Names, Standards & How to Choose in Saudi ArabiaA guide to PVC and uPVC pipe fittings in Saudi Arabia: fitting types, names, ASTM and SAS standards, jointing methods, and how to choose the right fitting.
• PVC Pipe Temperature Derating: What Saudi Heat Does to Pressure ClassuPVC pressure classes are rated at 20 to 25 °C. Compare four published derating tables at 45 to 50 °C and what to check before you specify.
• uPVC vs HDPE vs Ductile Iron: An Honest ComparisonuPVC vs HDPE vs ductile iron compared on pressure rating, corrosion, jointing and cost, with a clear pick for each type of Saudi water and sewer project.
• uPVC vs PVC Pipes: What’s the Difference?uPVC vs PVC pipes explained: uPVC is rigid and stronger for pressure and structural use, PVC more flexible. Which to use for water, sewer & duct in KSA.

Applications and sectors

Pipe for specific jobs: farms and wells, drainage, telecom, oil and gas, construction and public projects.

• Irrigation Pipe Guide for Saudi FarmsChoosing irrigation pipe for a Saudi farm: uPVC pressure pipe (Class 4 & 5) for supply lines and perforated uPVC for sub-soil drainage. Compare the options.
• PVC & uPVC Pipes for Oil, Gas and Petrochemical Facilities in Saudi Arabia4B Factory supplies PVC pipes for oil and gas Saudi Arabia, built to SAS/SASO, ASTM and DIN standards for industrial and petrochemical facilities.
• PVC Pipe Supplier for Government and Vision 2030 Infrastructure Projects in Saudi ArabiaSASO, SAS, ASTM and DIN compliant PVC pipe for Saudi government and Vision 2030 tenders, factory direct from Al-Kharj with full compliance documentation.
• PVC Pipes for Saudi Construction and Real Estate Projects: A Specifier’s GuideA specifier's guide to PVC pipes for construction companies in Saudi Arabia: water, drainage, conduit and stormwater pipe by project phase. Contact our team.
• PVC Pipes for Sewage & Drainage Projects in Saudi ArabiaPVC pipes for sewage & drainage for Saudi projects: SAS 1395/1396 Class 2 - 4, sizes 110 - 710mm, gravity sewer, stormwater & sub-soil drainage.
• PVC Pipes for Telecom Ducting in Saudi Arabia: A Specifier’s GuideHow uPVC telecom duct is specified in Saudi Arabia to SAS 254/255, sizes 20 - 63mm, and where it fits alongside HDPE microduct on fibre and cable projects.
• PVC Well Casing and Borewell Pipe for Agricultural Wells in Saudi ArabiaPVC well casing and perforated screen pipe for agricultural boreholes in Saudi Arabia. Schedule 40 and 80 casing selection, screen sizing and Qassim delivery.

Market, pricing and supply

Prices, the Saudi market and buying in bulk.

• PVC Pipe Price in Saudi Arabia: 2026 Buyer’s Cost GuideIndicative 2026 PVC and uPVC pipe prices in Saudi Arabia by diameter, pressure class and standard, plus what moves the price. Factory-direct from Al-Kharj.
• PVC Pipe Wholesale and Bulk Supply for Saudi Distributors and ContractorsBulk and wholesale PVC and uPVC pipe direct from 4B Factory in Al-Kharj. Multi site delivery and standards documentation for distributors and contractors.
• Saudi Arabia PVC Pipe Market 2026: Manufacturers, Standards and DemandWho makes PVC pipe in Saudi Arabia? The 2026 market overview: main manufacturers, SAS and SASO standards, demand drivers and resin prices.

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