Series 18 Features and advantages: In combination with BKS door furniture licensed to EN 179 + EN 1125. Fire rated to DIN 18250 + DIN 4102 + DIN EN 1634. Available with anti-panic functions: ‚¬â€œ B - switch over function, with parking function in daytime operation ‚¬â€œ C - coercive locking function ‚¬â€œ D - passage function ‚¬â€œ E - latch lever function For single and double leaf door systems. Easy assembly due to easily accessible bore for cylinder fixing screw. Fully enclosed lock case ‚¬â€œ dirt or other foreign bodies cannot obstruct the easy operation of the lock. Through-fixing of current door furniture with oval escutcheon possible. Various forend types available. Application: Fire protection doors as emergency exits or anti-panic doors. Technical description: Profile cylinder lock, with or without latch lever function depending on the variant, also for Swiss-type round cylinder as an option. Fully enclosed galvanised lock case. Steel latch. Steel deadbolt, nickel-plated; 14 mm single throw; with return spring. Technical data: Follower: 9 mm square; reinforced follower Centres: 92 mm Backset: 35, 40 and 45 mm Rear backset: 15 mm Various designs: Series 18 with top locking Serie 18 ‚¬â€œ espagnolette lock ‚¬â€œ For locking the inactive leaf of double leaf doors. ‚¬â€œ With E-opener as an option.