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Master Italy introduces EASY BLOCK, the new range of restrictor arms for each type of opening

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Master Italy introduces EASY BLOCK, the new range of restrictor arms for each type of opening

photo MASTER ITALY | Master Italy introduces EASY BLOCK, the new range of restrictor arms for each type of opening

The modern architecture of public buildings and residential construction is increasingly characterised by very prominent window frame solutions. These large openings, often single-leaf, can be difficult to handle, either because of the large size of the opening or because of the design necessity to limit the opening for physical reasons (the presence of a block or other obstacle) or simply for safety reasons.


EASY BLOCK is the complete range of restrictor arms by Master Italy that was created to meet this need and is suitable for every type of opening, tested and certified according to the directives of standard EN13126-5(Devices that restrict the opening of windows and door height windows).

Adjustable friction restrictor arm for tilt and turn and casement openings


The line consists of a patented adjustable friction restrictor arm for tilt and turn and casement openings (Art. A1211 – A1212) compatible with the European groove, Slot 10 and R40 series. Its friction system brakes the free movement of the sash, both to prevent any accidental closure due to wind and for reasons of safety and opening comfort.

Thanks to this system, the sash opens up to 90°, a position in which the restrictor arm locks by using the action of a mechanical stop to support the adjustable friction, which prevents accidental closing. This arm matches perfectly with the entire WEEN tilt and turn programme and, in particular, with the new concealed hinges of the WEEN HIDE 180 series, limiting the opening from 180° to 90° and taking advantage of the retainer incorporated in the hinge. This new arm allows for pressure adjustment with front access (patented), simplifying adjustment operations regardless of sash type and size.

Restrictor arm for handle-controlled casement opening that can be installed vertically for internal and external opening


The new EASY BLOCK range is further enriched with the restrictor arm for handle-controlled casement opening that can be installed vertically for internal and external opening (Art. A1211.30). It is an ambidextrous, frame-mounted restrictor arm with handle release and full opening. This arm is installed on the side upright of the frame (handle side) and, by rotating the handle in LOGIC mode by 90°, allows a limited casement opening (angle defined by the end stop of the lever).

Instead, by rotating the handle by 180°, with the sash in the closed position, the arm disengages and the sash can be fully opened. To operate the release system, a handle with a logical opening key from the COMFORT, KARMA or ITALIA lines can be used, or a complete release of the sash can be achieved by removing a locking element from the arm.

Restrictor arm for heavy casement frames


Another important novelty is the introduction of a restrictor arm variant intended for application only on bottom hung openings for large load-bearing capacities and dimensions: the EASY BLOCK restrictor arm for heavy casement frames (Art. A1117/17.1), tested for load-bearing capacities of up to 300 kg on CE profiles with a quick-release coupling system on the sash.

Multi Stay Open Arm


An absolute novelty in the restrictor arm market is the Multi Stay Open version (art. A1211.20/21): this is a patented, friction-locked, handle-controllable restrictor arm that allows the sash to be stopped in any position, within an angle opening range between 0° and 90°. The sash is stabilised by turning the handle into the closed position, activating the friction system and thus creating enough friction force to keep the sash in the desired position.

The high quality of the materials is the result of the study and careful work of MasterLab, the Group’s research and development centre, which is committed to guaranteeing the best solutions in terms of performance and resistance over time. In fact, all the accessories in the range are made with: stainless steel levers, zamak and steel coupling blocks and Delrin® or forprene friction systems. The focus on quality combined with easy assembly and the tested durability of all its solutions makes EASY BLOCK one of the most complete and reliable restrictor arm families on the market.

#WindowHardware, #DoorHardware, #EasyBlock

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