The advantages of using an adjustable cable gland

Jul 22, 2025 | Pratley

South African manufacturer Pratley continues to demonstrate its engineering leadership with its innovative adjustable cable gland, designed to significantly reduce maintenance and labour costs across a wide range of industrial applications.

“Our adjustable cable gland offers exceptional cost savings, versatility, durability and efficiency,” highlights Tristan Blades, Technical Projects Manager. Its adjustability allows it to accommodate everything from paper-thin braid armouring to thick steel wire armour. The interchangeable nipple design also allows for extended-length nipples, making it ideal for applications involving thicker gland plates, which is where conventional glands typically fall short.

A key cost-saving feature is the gland’s design, which includes a built-in spigot. This allows a smaller gland to fit securely into a larger knockout hole, such as an M20 gland into an M25 knockout, minimising the need for different gland types and streamlining inventory requirements. “It is a solution that makes installations quicker and more flexible,” adds Blades.

In addition to design innovation, Pratley’s 95% stock availability policy and commitment to customer service mean that replacement parts are readily accessible. This ensures minimal operational downtime and quicker turnaround times for repairs.

“A manufacturer offering near-total stock availability on the shelf can make an enormous difference,” notes Blades. “It eliminates delays related to manufacturing lead times and helps maintenance teams keep operations running smoothly.”

Durability is another standout feature. Unlike ordinary cable glands, the adjustable cable gland’s loose cone bush allows it to be manufactured from a different material is made from a special high-tensile brass to prevent distortion under tightening or mechanical stress. In addition, the loose cone bush also allows it to automatically self-centre under the armouring, thus ensuring the very best grip possible on each armour wire.

The gland’s immense clamping ability is also achieved by incorporating a differential nut which features two slightly different coarse pitch threads which achieve the mechanical advantage of an ultra-fine pitched thread. “It is like having the clamping advantage if a virtual thread, or like having a built-in gearbox in the gland,” comments Blades.

Feedback from the field highlights the positive impact of these innovations. “Many of our customers have reported significantly lower maintenance costs thanks to the adjustable cable gland. It is such an easy gland to install. The ability to use one gland across multiple armoured cable applications not only simplifies the installation process but also delivers long-term savings,” highlights Blades.

Pratley has a policy of producing products that out-perform all others on the world market. “It is something we live and breathe by, and our adjustable cable gland achieves just that,” concludes Blades.

Ends

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Notes to the editor

To download hi-res images for this release, please visit http://media.ngage.co.za and click on the Pratley Group link to view the company’s press office.

About Pratley
Established in 1948 by George ‘Monty’ Pratley, the various companies in the Pratley stable rest on a foundation of research and innovation in both the manufacturing and mining sectors. The various Pratley companies, drawing from 75 years of experience, have filed over 350 patents worldwide, and are ISO 9001 certified. Operating divisions include Pratley Adhesives, Pratley Electrical and, Pratley Minerals.

Pratley Contact

Sales

Phone: (011) 955 2190

Fax: (011) 955 3918

Email: sales@pratley.co.za

Web: www.pratleyelectrical.com

Media Contact
Thobile Ndlovu

Senior Account Executive

NGAGE Public Relations

Account Executive

Telephone: 011 867 7763

Cell: 073 574 2931

E-mail: thobile@ngage.co.za

Website: www.ngage.co.za

Browse the NGAGE Media Zone for more client news articles and photographs at http://media.ngage.co.za

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