Author Archives: fourbfactory@gmail.com

Specification & Submittal Guide Technical Specification and Submittal Documentation for PVC Pipe Projects in Saudi Arabia 4B Factory Technical Team Published 31 August 2026 7 min read 4B Factory manufactures every PVC and uPVC product line in Al-Kharj, with dimensional and standards data available for specification and submittal use. 4B Factory provides technical specification sheets, […]

Tender & Compliance Guide PVC Pipe Supplier for Government and Vision 2030 Infrastructure Projects in Saudi Arabia 4B Factory Technical Team Published 28 August 2026 8 min read 4B Factory manufactures PVC and uPVC pipe in Al-Kharj to the standards specified across Saudi government and infrastructure tenders. 4B Factory supplies SASO, SAS, ASTM and DIN […]

Buyer’s Guide PVC Pipe Wholesale and Bulk Supply for Saudi Distributors and Contractors 4B Factory Technical Team Published 27 August 2026 7 min read 4B Factory supplies distributors, contractors and bulk buyers directly from its Al-Kharj plant. Distributors, MEP contractors and multi-site project buyers sourcing PVC and uPVC pipe in volume can order directly from […]

Buyer’s Guide, Standards SASO and SAS Standards for PVC Pipes in Saudi Arabia: A Buyer’s Guide By 4B Factory · Published 20 August 2026 · 5 min read · Standards and Compliance SASO, the Saudi Standards, Metrology and Quality Organization, is the regulator. SAS numbers are the individual Saudi standards SASO publishes for a specific […]

Buyer’s Guide, Agricultural Wells PVC Well Casing and Borewell Pipe for Agricultural Wells in Saudi Arabia By 4B Factory · Published 20 August 2026 · 5 min read · Irrigation and Agriculture A Saudi agricultural borewell typically needs two pipe types: solid ASTM Schedule 40 or 80 PVC casing pipe to seal the borehole above […]

Buyer’s Guide Best PVC Pipe for Potable Water Supply in Saudi Arabia By 4B Factory · Published 20 August 2026 · 5 min read · Water Supply For potable water supply in Saudi Arabia, SASO compliant uPVC pressure pipe in Class 4 or Class 5 is the standard choice. It is non-toxic, corrosion free and […]

Buyer’s Guide How to Choose a PVC Pipe Manufacturer in Saudi Arabia By 4B Factory · Published 20 August 2026 · 6 min read · Buyer’s Guide Choosing a PVC pipe manufacturer in Saudi Arabia means verifying SASO and SAS standards compliance, confirming factory direct manufacture rather than resale, checking the size and class range […]

Technical Specification Guide D54 Duct Pipe Specification for Saudi Arabia D54 is an industry duct designation for a nominal 96.5 mm outer diameter uPVC duct pipe used to protect underground electrical and telecommunications cable. It is built to the NEMA TC 2 EPC 80 duty class and ASTM F 512. 4B Factory manufactures uPVC conduit […]

Home › Blogs › Class 4 vs Class 5 uPVC Pressure Pipe Class 4 vs Class 5 uPVC Pressure Pipe: How to Specify the Right Rating Written by 4B Factory Technical Team • Reviewed by a pipeline engineer • Updated 18 August 2026 • 9 min read Class 4 and Class 5 uPVC pressure pipe […]