Category Archives: upvc pipes

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 […]

Home › Blogs › uPVC Sewer & Drainage Pipes Guide uPVC Sewer & Drainage Pipes in Saudi Arabia: Sizes, Classes & Installation 4B 4B Factory Technical TeamUpdated July 2026 · 9 min read Choosing sewer and drainage pipe is a question of gravity, gradient and load, not pressure. Here is how uPVC sewer pipe is […]

Home › Blogs › PVC Pipes for Telecom Ducting PVC Pipes for Telecom Ducting in Saudi Arabia: A Specifier’s Guide 4B 4B Factory Technical TeamUpdated July 2026 · 8 min read Fibre and telecom rollouts across Saudi Arabia depend on a duct network that protects cable, survives decades of buried service, and lets crews pull […]