The power to perform in the water reticulation market

Davis & Deale and Conver-Tek have been respected suppliers of waterrelated and injection moulding products for over 41 years. They design the concepts, develop the products, build the tools and perfect the optimum production workflows from concept to finished product – all under one roof.

As group companies, Davis & Deale’s and Conver-Tek’s reputation for excellence has always been based on innovation, working the problem and finding solutions. In this respect, the unexpected arrival of Covid-19 really put that to the test, with the group responding by rapidly adjusting its processes to meet production targets in a safe and efficient manner.

The Level 1 BBBEE supplier’s solutions are being installed on municipal water infrastructure projects nationally. Key metros include the City of Tshwane, where the company has been supplying quality, affordable water-related metering and packaged products for close on 20 years.

“As long-standing suppliers, we appreciate the ongoing input received from engineers, water maintenance supervisors, and contractors. This has been instrumental in helping us perfect the design and development of many key products. A prime example is our Above Ground Box (AGB) and Meter. We believe this product has set the benchmark for durability and performance over the past two decades. We now successfully sell nationwide, as well as export to many African countries,” says Bevan Davis, managing director of Davis & Deale and Conver-Tek.

Combatting clones

Products manufactured by Davis & Deale and Conver-Tek are subject to rigorous quality control. Each unit is pressure tested to 24 bar for three minutes, which guarantees a worldquality technical standard.

“Some producers supply moulded boxes and parts using below-spec materials and sizes, which, of course, reduces prices, and is evident from failed products frequently seen in some areas. Where product failures, excessive leaks and breakages occur, you can be certain that this is a counterfeit and not the genuine item. We therefore strongly recommend that specifiers only use products from accredited sources,” Davis stresses.

Managing power security

How companies best respond to threats and opportunities is what defines the market leaders. In South Africa’s case, load-shedding has become one of the biggest hurdles to business continuity.

“Aside from downtime and wasted materials, extended power outages have the potential to cause damage to our high-tech equipment. For example, the expensive engineering polymers used to form product components can crystallise in the injection moulding machines and destroy barrels and screws completely,” Davis explains. The group’s first power mitigation measure started with the installation of a diesel generator to run during peak charging hours, namely 06:00 to 08:00 and 18:00 to 20:00. The generator ensures that 24-hour operations can be maintained, when required, and radically reduces maximum demand charges.

“However, diesel is costly and so this generator was intended from inception to form part of a hybrid system. The objective is to move off the grid completely. Our key investment in achieving this is the installation of an approximately R6 million rooftop solar system at our Brakpan factory, which is currently in the process of being commissioned,” Davis continues. Before committing to an off-grid strategy, an in-depth analysis was carried out in conjunction with solar energy specialist Millennial Reign. Production and electricity consumption patterns were monitored, assessed and logged for a few weeks. The results of this analysis were then used to determine the correct balance between panels, invertors and the 500 kVA output of the generator selected.

A worthwhile investment

“While we could have spent the money on additional machinery (the equivalent of buying four new-generation injection moulding machines and two state-of-the-art toolroom CNC milling machines), we realised that going the off-grid route was the immediate priority,” says Davis, adding that this investment should pay for itself within four years.

“As a responsible manufacturer, renewable energy helps to reduce our carbon footprint, but more importantly guarantees that we are self-reliant. Constant power equals consistent quality, and the ability to meet on-time customer consignment delivery targets,” he concludes.

Davis & Deale and Conver-Tek have set up an education trust to support employee learning and skills development