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Parvalux EMD, a UK motor manufacturer, has launched a fully sealed version of the GB12 square-framed, worm-wheel gearbox.

In preventing contamination of the gears and housing by the ingress of fluids or particulates, the completely sealed design facilitates an estimated life expectancy of more than double that of similar half-seal worm and wheel designs.

The unit comes with a choice of nine standard DC commutated permanent magnet motors from the company’s EMD application range or it can be customised to fit any one of Parvalux’s other standard AC or DC motor products.

Features include: a maximum continuous torque of 45Nm; a choice of six reduction ratios (12.5:1, 25:1, 30:1, 50:1, 60:1 or 75:1); a composite or phosphor-bronze gear; an ingress protection rating of IP65; a steel output shaft diameter of up to 25mm (single or double); a two-year parts warranty; a sealed aluminium housing; and a black finish option.

The GB12 shares the same dimensions and fixings as the EMD-GB4 unit, designed originally for wheelchair and golf trolley applications, but is now used in a variety of other applications throughout the mobility, leisure and industrial sectors.

Customers seeking to replace old GB4 motor-gearbox units are being encouraged to consider a GB12 solution for extended reliability.

Parvalux Electric Motors

Parvalux is the UK’s largest manufacturer of small geared motors. With more than 18 million geared motors installed globally, we are proud of our heritage and continued reputation for high quality.

Founded in 1947, Parvalux is now privately owned by the Clark Group, who have taken the business from strength to strength. Revenues have climbed threefold to more than £18m in just six years.

Over the next two years, a considerable programme of investment into machines and infrastructure will help our customers to gain genuine competitive advantage in their markets.

Based on the south coast, Parvalux benefits from strong distribution partnerships across the globe. More than 50 per cent of product is exported, with production now exceeding 275,000 units produced annually.

As well as a standard catalogue offer of more than 5,000 product variants, Parvalux offers a ‘design for manufacture’ service for larger-volume OEMs. With more than 20 design engineers, Parvalux has made a serious investment in its capability to produce new designs to tight timescales.

Parvalux now enjoys a reputation as a specialist supplier to numerous industry sectors including mobility, leisure, automotive and industrial automation applications.

For larger OEM projects, our dedicated account team, comprising highly experienced engineers led by technical director Dr Martin Mathias, ensures our value-add right from the outset of any project.

For the small and medium-sized UK customers, the Parvalux Service Centre in Birmingham holds extensive stock at a central location. This centre, coupled with the newly established online shop, provides a rapid response to any orders and enquiries.

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