Author Archives: 4B Factory

Home  /  Blogs  /  Schedule 40 vs Schedule 80 PVC Pipe Schedule 40 vs Schedule 80 PVC Pipe: ASTM D1785 Explained 4B 4B Factory Technical Team — Four Brothers Industrial Co., Al-Kharj Reviewed for ASTM accuracy · Updated July 2026 Schedule 40 and Schedule 80 are the two ASTM D1785 wall-thickness classes for rigid PVC […]

Home/ Blog/ PVC Pipes for Electrical Conduit Applications PVC Pipes for Electrical Conduit in Saudi Arabia 4B Factory Technical Team Reviewed by an Electrical Infrastructure Engineer Updated 2026 9 min read PVC electrical conduit is the rigid, non-metallic raceway used to protect and route power and telecom cables in Saudi projects. 4B Factory manufactures uPVC […]

Home/ Blog/ PVC Pipes for Sewage & Drainage Applications PVC Pipes for Sewage & Drainage Projects in Saudi Arabia 4B Factory Technical Team Reviewed by a Drainage Systems Engineer Updated 2026 9 min read uPVC sewer and drainage pipe is the standard specification for wastewater and stormwater networks in Saudi Arabia. 4B Factory manufactures it […]

Buyer’s Guide — Electrical & Telecom PVC Conduit & Duct Selection Guide Conduit and duct both protect cable, but they are not the same product. Conduit is the smaller-bore raceway run through buildings and along routes to carry electrical wiring; duct is the larger, direct-burial pipe that houses power and telecom cables underground. 4B Factory […]

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 […]