Manufacturer and Supplier of HDPE Pipes & Fittings in Africa.
Gradco SA is a leading brand in the HDPE Piping industry.
Gradco SA is a leading brand in the HDPE piping industry. We specialize in making, supplying, and installing thermoplastic pipes. We also offer steel pipes and fittings.
Our vision is to be the most dynamic and diligent provider to our customers. We will deliver the right product on time to ensure total customer satisfaction and peace of mind.
Manufacturer and Supplier of HDPE Pipes & Fittings in Africa.
Gradco SA is a leading brand in the HDPE Piping industry.
Gradco SA is a leading brand in the HDPE piping industry. We specialize in making, supplying, and installing thermoplastic pipes. We also offer steel pipes and fittings.
Our vision is to be the most dynamic and diligent provider to our customers. We will deliver the right product on time to ensure total customer satisfaction and peace of mind.
HDPE Pipes Manufacturing in Middelburg Mpumalanga
Gradco SA manufactures high-quality HDPE black pipes. We also provide numerous essential fittings for your pipes. We have rigorous quality assurance measures. They cover the entire manufacturing process. We ensure top-notch quality.
What are HDPE Pipes?
The recycling symbol 2 marks HDPE. The industry relies on this essential component. These include storage tanks for chemicals.
Industrial piping systems use them, and they serve as landfill liners They are also used as fuel tanks.
This robust plastic can withstand high temperatures up to 110°C, or 230°F.
About Gradco SA
We are a BBBEE Level 3 company with 51% black ownership.
To enable us to be a dependable brand, we have world-class facilities like:
-
Modern well-equipped factory
-
Testing Laboratory
-
State-of-the-art technology
-
Sourced Suppliers
-
Qualified workers
Our top-tier extrusion facility can produce over 1,000 tons per month.
Our facility contains a laboratory with complete equipment and pressure testing tanks. This enables us to test and regulate our piping.
We do this to meet the industry’s highest standard.
Quality HDPE Pipes & Fittings and Steel Pipes & Fittings
We guarantee that our services meet the highest standards of client satisfaction.
We also install a diverse set of high-performance plastic pipes and fittings.
Gradco SA manufactures HDPE pipe products used in the mining, agriculture, industrial, and building and civil sectors.
Features & Benefits
Our top-tier extrusion facility can produce over 1,000 tons per month. Our facility features a laboratory complete with equipment and pressure testing tanks. This enables the refinement and tuning of our piping systems at regular intervals to meet the industry’s top standard.
HDPE Pipe Applications
HDPE piping systems are used in many applications
Extended Services
We also offer extended services
Gallery
Blog
View our latest blog posts
When to Specify HDPE vs Structured Wall HDPE in Infrastructure Projects
Selecting the correct piping system is a critical engineering decision that influences not only installation efficiency, but also long-term performance, maintenance requirements, and lifecycle cost. While high-density polyethylene (HDPE) remains a widely used and trusted material, certain applications require enhanced structural performance beyond the practical limits of conventional solid-wall pipes.
Specifying HDPE for Long-Term Infrastructure Value
Infrastructure projects are increasingly evaluated on lifecycle performance rather than short-term installation cost. For engineers and municipalities, material selection must balance constructability, durability, and long-term operational value.
Structured Wall HDPE Systems for Large-Diameter Stormwater Applications
Large-diameter stormwater pipelines, culverts, and manholes present unique engineering challenges. Structural performance, joint integrity, and installation efficiency become increasingly critical as diameters increase and ground conditions vary.
SANS 4427-2
DIN 8074 and DIN 8075
ISO Certificate
Sappma Membership
IFPA Membership
