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Pratley Electrical

Taper-Tech cable gland

The unique Taper-Tech® clamping system features a differential taper design. Using specially-formulated, high-performance, compression-set resistant rubber, the gripping force of the bush increases proportionally with the axial load on the cable. This means that the cable remains safely secured, even at very high pull-out loads, without damaging the cable.


Another major advantage of the new Taper-Tech® brass compression cable gland is its industry beating IP68 ingress protection rating, which provides for a whopping 150 m of water head. “We believe that there’s no other cable gland that performs to this level on the world market,” says Pratley Marketing Director Eldon Kruger.

The new Taper-Tech® compression cable glands are manufactured from nickel-plated brass. They can accommodate all circular cables with outside diameters from 3 mm to 73.8 mm, in addition to an array of non-circular cables when fitted with appropriate bushes. The glands are supplied complete with nipple gaskets and nickel-plated brass locknuts.

The IP68 rating means that the Pratley Taper-Tech® brass compression cable glands seal the bore automatically against the ingress of pressurised water and ambient moisture. In addition, gland sizes 00, 0, 1 and 2 are also available ex-stock with Pg and Npt threads.

Pg and Imperial threads can also be accommodated by means of Pratley adjustable cable glands fitted with compression conversion kits and thread adaptors. Exceptionally thick gland plates can also be accommodated by fitting adjustable glands with long nipples.


With over 65 years’ experience and a plethora of patents under its belt, Pratley prides itself on the local production of highly-innovative cable glands, junction boxes, and related accessories. Those variants for use in hazardous locations comply with international IECex Standards for Ex n, Ex e and Ex d explosion protected equipment. Many Pratley cable glands and boxes also comply with the European ATEX directive.

Pratley market-leading products serve the industrial, mining, construction, petrochemical and consumer markets in many countries. Pratley manufactures over 1500 products, has filed more than 350 patents worldwide, and is an ISO 9001:2015 accredited company.

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