C74 Crank Blackout
- Part No C74
The YewdaleDefiant® C74 crank control blackout unit features a heavy duty 1:5 gear mechanism operated by a magnetic detachable crank handle. All hardware is black powder-coated aluminium, with moulded black plastic fittings, for face or recess fixing,enclosing a 53mm grooved aluminium barrel. Heavy-duty gear mechanism is located at the right and is controlled by a fixed crank handle. Blackout fabric, with heavy-duty bottom bar, is locked into a groove in the barrel and runs in 75mm side channels. There is a slim bottom channel for positive attachment to side channels and light-transfer baffles within the side and bottom channels. The side channels and head-box are also fitted with pile-seal light sealing.View full details
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The C74 is the blackout unit of choice for many contract applications. Offering 100% blackout properties, it is simple to operate and very strong, covering large windows with ease. It is in use in many schools and hospitals where dependability is an essential requirement, but its sleek, good looks are at home wherever high performance light exclusion is called for.
White hardware; No bottom channel, with bottom bar running down to sill; Fixed crank handle; Available in any RAL colour.
The YewdaleDefiant® C74 crank control 100% blackout unit with magnetic detachable crank handle as manufactured by Yewdale, +44 (0)1268 570900. Flame retardant blackout fabric from the YewdaleDefiant® range, locked into grooved 53mm aluminium barrel along with aluminium bottom rail as standard. Heavy duty 1:5 geared crank mechanism is housed within black/white powder-coated aluminium head-box cassette, side and bottom channels and bottom bar supported by study brackets.
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Based on fabric weight of 400g/m², e.g. Dart. Larger sizes may be possible with lighter/thinner fabrics. Sizes shown in millimetres unless otherwise specified.