Author Archives: fourbfactory@gmail.com

Buyer’s Guide — Agricultural Pipe Irrigation Pipe Guide for Saudi Farms Irrigation pipe on a Saudi farm splits into two jobs: pressurised supply that carries water to the field, and sub-soil drainage that manages the water table. uPVC pressure pipe (Class 4 & 5) handles distribution and mains; perforated uPVC pipe handles drainage and dewatering. […]

Buyer’s Guide — Drainage Systems Choosing Drainage Pipe for Saudi Projects Choosing drainage pipe in Saudi Arabia comes down to four things: gravity sewer versus pressurised drainage, the right diameter for the flow, the correct SAS class, and the pipe type for the ground conditions. uPVC sewer pipe to SAS 1395/1396 (Class 2–4, 110–710 mm) covers […]

Buyer’s Guide — Specifications PVC Pipe Pressure Classes & Sizes PVC and uPVC pressure pipe is rated by class or PN — Class 4 is roughly 10 Bar and Class 5 roughly 16 Bar — while ASTM pipe is rated by Schedule (40, 80, 120). Sizes run from 20 mm conduit up to 710 mm […]

Buyer’s Guide — Pipe Materials uPVC vs PVC Pipes Explained uPVC and PVC are closely related but not the same: PVC contains plasticisers that make it more flexible, while uPVC (unplasticised PVC) is rigid, stronger and better suited to pressure and structural pipe. For most Saudi water, sewer and pressure applications, uPVC is the standard […]

Buyer’s Guide — Saudi Arabia How to Choose a PVC Pipe Manufacturer Choosing a PVC pipe manufacturer in Saudi Arabia comes down to seven checks: standards compliance (SAS/SASO, ASTM, DIN), the product range, factory-direct versus reseller pricing, documentation for tender approval, delivery reach, custom fabrication, and technical support. This guide walks each one, with an […]