Ideal for large and heavy elements The locking mechanism mZ is provided with driven stays pulling the sash towards the frame evenly when closing and pushing it off when opening. Even large and heavy door units can be operated easily and safely. When closing, the sash automatically engages in tilt position, thus allowing for safe ventilation ‚¬â€œ the sash is secured against being pulled open. The innovative runner mechanism provides smooth projection of the sash which easily and precisely slides in any position desired. With the ergonomically shaped aluminium handle every function of the door is controlled:Releasing the central lock and setting off the sash; releasing from tilt position, sliding the sash open and closed; pulling the sash closed and locking it at the same time.The turn handles come with anti-lockout device, or as lockable handle with profile cylinder for operation from one or both sides. Multistep security concept:From ¾basic security “ up to resistance class ¾security tested to ENV 1627 ‚¬â€œ WK 2 “. Particular security components protect the locking mechanism against burglary all around: lifting and prising the sliding sash open is made extremely difficult. Optimum protection against corrosion due to the surface sealing ferGUard*silver. Fitting variants, technical details Fitting variants Sashrebate width mm Sashrebate height mm Sash weightkg Opening widthmm [2] Timber and PVC G.U-966/200 mZ [1] 720 ‚¬â€œ 2000 820 ‚¬â€œ 2370 up to 200 118 G.U-966/150 mZ 720 ‚¬â€œ 1600 820 ‚¬â€œ 2370 up to 150 118 Aluminium G.U-968/200 mZ [1] 720 ‚¬â€œ 2000 820 ‚¬â€œ 2370 up to 200 108 G.U-968/150 mZ 720 ‚¬â€œ 1600 820 ‚¬â€œ 2370 up to 150 108 [1] From SRW 1850 ‚¬â€œ 2000 mm an additional middle stay is recommended.From SRW 1600 ‚¬â€œ 2000 mm and for sash weights 180 ‚¬â€œ 200 kg the