Single row locking system with additional locking elements The construction of cylinder series 33 SL largely corresponds to that of cylinder series 31; it is supplemented by a second, independent security system with lateral locking elements under spring pressure providing increased protection against generally known manipulation techniques. Locking suites and registered differ are available. In locking suites, cylinder systems 33 SL and 31 can be combined with each other. Technical description 5 or 6 pin profiled cylinder for registered differ, keyed alike locking and suited applications, with security card, with additional side bar locking and 4 sprung locking elements within cylinder body. Brass cylinder body nickel plated, satin bronzed, dark browned or polished brass, with 3 keys, with M5 x 80 mm nickel plated steel fixing screw, without escutcheons. Options Emergency function: Optional from BL 31/31 on both sides; from BL 27/31 on one side.The emergency function on double cylinders allows the cylinder to be operated even if a key is inserted on the other side of the cylinder. Drill protection: Available as an option: certificated drill protection versions BSKA (two pairs of electro-plated hardened steel pins on each side of cylinder) and BSKB (outside with two pairs of electro-plated hardened steel pins and two hard metal drill protection pins each in plug and body). Drill and withdrawal protection: Protection against cylinder plug being withdrawn (BZKB). Outside plug and outside of cylinder body with hardened steel anti-drill pins and body security pinto secure a broken cylinder behind the backplate of the security furniture (optional). VdS approval: Double, half and knob cylinders with VdS certification available on request.(VdS = Association of German property insurers) SKG approval: Double, half and knob cylinders with SKG certification available on request. For details concerning the particular
