HDPE Pipe Price: Rand per Metre vs. Rand per Kilogram

Can you afford not to know what’s in your pipes?

The performance of pipe systems is directly related to the soundness and safety of the critical pipelines that make up our country’s infrastructure. So, when it comes to the price of HDPE pipe, choosing quality over price shouldn’t even be an issue. But, how do you know what you’re getting for your money? Here, we give you all the information you need to make the right choice.

Rand per Kilogram: Do you know what you’re paying for?

sans 9080 rand per metre marley hdpeWhen you pay for pipe material by the kilogram, you may be getting a good price, but what you don’t know is that you could be getting more than what you bargained for.

To drive down costs and drive up prices, some manufacturers add in inferior ‘regrind material’ which can severely compromise the quality and performance of the pipe.

The use of too high levels of regrind can lower the molecular mass of the material too far and weaken the pipe structure, causing major health and sanitation problems. These include water leaks and wastage, infiltration of sanitary sewer systems leading to overflow, not to mention sinkholes which have been the cause of many deaths over the years. Each of these issues can have devastating consequences for communities if not dealt with correctly.

The very real risk of too much regrind

DID YOU KNOW? 85% of polyethylene (PE) pipe system failures happen because of non-conforming recycled materials used in production

The use of regrind/reworked materials in production can cause weak points which may lead to major failure of the entire system.

pipe failure

Is all regrind bad?

 SANS ISO 4427-1 Polyethylene (PE) piping systems stipulates what type of regrind is allowed into production:

“Clean, reprocessable material generated from a manufacturer’s own production and works testing of products according to SANS ISO 4427 may be used if it derived from the same compound as used for the relevant production. Reprocessable materials obtained from external sources and recyclable material shall not be used.”

On the right is an image of what good quality regrind should look like.

HDPE regrind image 

Pay for Quality: The Rand per Metre Approach

Marley Pipe Systems makes use of 100% premium quality virgin materials in the production of PE pipe, resulting in a finished product that is safe, and that meets both our company standards as well as regulatory requirements.

A matter of standards

The material that Marley uses complies with SANS 9080:2004: Plastics piping and ducting systems – Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation. This indicates that the material has been validated for longevity while the use of sub-standard materials when paying for rand per kilogram, the lifespan of the product is questionable.

In accordance with SANS ISO 4427-2, it is important to calculate the minimum mass of a pipe to comply with national standards. From a quality point of view, a pipe will burst at a specific pressure if at any stage, the wall thickness and/or mass of the pipe is lower than the minimum allowed. This is where paying per kg becomes tricky. Because of variations in production processes, no manufacturer will be able to produce at the minimum mass – making calculating prices a bit of guess work.

If you look at it this way, it would make sense, from a costing point of view, to work on the constant of the minimum. Another way would be to take a rand per metre rate and then divide it by the minimum mass per metre to work out the cost per kg. But why make it complicated?

Why Rand per Metre? By paying per metre instead of kilogram, you know exactly what you’re getting and how much you’re paying for it. No hidden extras, only consistent quality and uniformity.

We don’t compromise on quality, and neither should you.

Delivering quality… in more ways than one

When you choose to buy Marley, it isn’t just about the product we manufacture – but the added value that sets us apart.

  • Product selection for the best solution
  • An ethical production model and total quality approach
    Technical design, installation, and project delivery assistance
    Product training to support the project rollout

The result is a quality system that is 1) best suited to the application, 2) has been installed to perform optimally, and 3) will provide long term service.

When investing in the pipelines that our infrastructure relies on, quality counts. The clear advantages of buying quality over price will always win out if you want more transparency for better long term value.

So don’t take the chance of getting poor quality – buy Rand per Metre from Marley

Contact Marley Pipe Systems

Marley Building Division
t. +27 11 739 8600
f. +27 11 739 8680

Marley Mining & Industrial Division
t. 0861 MARLEY (627539)
t. +27 12 045 0997

e. info@marleypipesystems.co.za

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