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What is manual window gearing?

Manual window gearing in general terms is a mechanical, hand operated system, intended to provide a means of opening windows made inaccessible by height, access or disability of the user. A system would consist of three principal elements: the operator, connecting conduit/inner cable and the window opener. The handle of the operator is turned by the user and the movement generated transmitted to the window opener by the inner cable, which runs within conduit linking the operator and opener.

How many windows can be opened by a single winding handle (operator)?

This will depend upon a number of factors, principal one being the 'load' that the operator is rated at. Please see the chart on the Manual Technical Data page of the Highline catalogue.

Any window to be opened should be free moving and the friction element if present on any hinges reduced to the minimum or disabled if possible.

How many openers should I use on a window?

This is determined by the width and height of the window. Please see the chart on the Manual Technical Data page of the Highline catalogue.

Where should I fit the operator?

We suggest for most applications placing the operator at a convenient, accessible location, 1m to 1.5m from the finished floor level and from which the conduit/inner cable can be run to link up all of the windows to be opened.

Can I cut/bend the conduit?

The conduit is an approximately 10mm diameter alloy tube sheathed in an outer plastic with a plastic lining. It can be cut to size with a hacksaw. Similarly to bending copper water pipe, 90° bends can be made but should be done so using the T950 bend former to prevent over bending the conduit. Please see the T400 Conduit preparation instruction on our fitting instructions page.

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How we can help

We sell our products through selected wholesalers and architectural ironmongers. We have experts on hand to help architects and end users with product information but orders would need to be placed with our distributors and they will also give pricing information. If you aren't sure where to buy we can provide details of nearest distributor.

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Our catalogues and fitting instructions can all be downloaded here. If there is something you cannot find please let us know and we will be happy to email it to you.

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Where to buy/Contact Us

For details of your nearest distributor or for further information on any of our products please contact us by phone or email.

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Strand hardware LTD

We supply high quality Window and Door Hardware for commercial buildings as well as our range of locally manufactured products; we are sole UK distributors for top European manufacturers such as Athmer Automatic Door Seals and Antipanic Panic Hardware. We have built our reputation by delivering first class customer service and technical support which is provided through our experienced industry professionals.


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