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Engineering Knowledge Centre

GUIDES, CALCULATIONS AND MAINTENANCE ADVICE

Practical technical writing for engineers, farmers, facilities managers and maintenance teams. Each article is reviewed before publication and updated when practice changes.

Pump Guides

How to Choose the Right Water Pump

Start with the duty point, not the price list: flow, head, fluid and power supply decide the pump.

All Access Holding Technical Team

· 12 Aug 2026

· 8 min read

Pump Guides

How to Calculate Pump Head

Static lift, friction loss and pressure requirement — working through total head with a real example.

All Access Holding Technical Team

· 5 Aug 2026

· 7 min read

Pump Guides

Surface Pump vs Submersible Pump

Where each type wins, what it costs to run and how installation constraints usually settle the choice.

All Access Holding Technical Team

· 28 Jul 2026

· 6 min read

Borehole Pumps

How Borehole Pumps Work

A practical walk-through of what happens inside a submersible borehole pump: stages, motors, submergence, drawdown and the numbers that decide whether the set survives its first

All Access Holding Technical Team

· 21 Jul 2026

· 7 min read

Borehole Pumps

How to Size a Borehole Pump

A step-by-step sizing method for South African boreholes: yield testing, total dynamic head, friction loss, duty point selection, cable sizing and setting depth, with a full

All Access Holding Technical Team

· 14 Jul 2026

· 9 min read

Water Management

Choosing the Best Pump for Agricultural Irrigation

Drip, sprinkler, pivot or flood – each irrigation method sets a different duty point. How to match pump type, flow and pressure to the system you

All Access Holding Technical Team

· 7 Jul 2026

· 8 min read

Solar Water Pumps

How Solar Water Pumping Systems Work

Panels, controller, pump and storage – how a solar pumping system actually delivers water, why storage beats batteries, and how to size an array for a

All Access Holding Technical Team

· 30 Jun 2026

· 8 min read

Pump Maintenance

Signs Your Water Pump Needs Maintenance

Pumps almost always warn you before they fail. The noises, pressure changes, current readings and seal symptoms that mean it is time to act – and

All Access Holding Technical Team

· 23 Jun 2026

· 7 min read

Industrial Pumps / Pump Maintenance

How to Reduce Pump Energy Consumption

Pumping is often the largest electrical load on a site. Eleven practical measures – from trimming impellers to fixing the pipework – ranked by what they

All Access Holding Technical Team

· 16 Jun 2026

· 8 min read

VSD & Controls

How VSDs Improve Pump Efficiency

What a variable speed drive actually does to a pump, which duties benefit and which do not, how to set one up properly, and the installation

All Access Holding Technical Team

· 9 Jun 2026

· 7 min read

Pump Maintenance

When to Repair or Replace a Water Pump

The 50 per cent rule, whole-life cost, efficiency loss and spares availability – a structured way to decide whether to rebuild a pump or put in

All Access Holding Technical Team

· 2 Jun 2026

· 7 min read

Sanitation / Sewage Pumps

How Sewage Pumps Work

Grinder, vortex, channel and chopper impellers, wet wells, guide rails and duty-standby control – how sewage pumping stations are built and why they block.

All Access Holding Technical Team

· 26 May 2026

· 7 min read

Dewatering

How Dewatering Pumps Are Used on Construction Sites

Keeping an excavation dry: sump pumping, wellpoints and deep wells, how to size for inflow and rainfall, and why the wrong pump fills a trench faster

All Access Holding Technical Team

· 19 May 2026

· 8 min read

FAQs

Frequently asked questions

Do you supply and install, or supply only?

We supply equipment and provide technical support through installation, commissioning and ongoing maintenance. Scope is confirmed per project in the written quotation.

Can you help me size a pump if I only know the borehole depth?

Yes. Depth is a starting point, but we also need the tested yield, daily water requirement, elevation to storage and pipe run to calculate total head accurately.

Do you offer rental instead of purchase?

Yes. Short- and long-term rental is available for dewatering, bypass pumping, standby capacity and seasonal requirements, with technical support on set-up.

Are refurbished pumps reliable?

Refurbished units are inspected, stripped, assessed, rebuilt with replacement wear components and performance verified in our workshop before they are offered.

Which areas do you service?

Our head office is in Makhado, Limpopo, with a branch in Kempton Park, Gauteng, and field capability for clients elsewhere in South Africa. Confirm coverage for your site when you enquire.

Case Studies

Project record

Case studies are published only once the client, scope and outcome have been verified. Each entry follows the same structure.

Case study template

Supply the project details and before/after imagery and they will be published here.

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