ASSA ABLOY Delivers New Masterkey System to Hong Kong Hospital

ASSA dp 4400 series is a patented high security cylinder, recommended for all types of mechanical locking systems. Within each master key system, it is possible to specify high- and medium security cylinders as well as auxiliary cylinders and padlocks.


ASSA dp 4400 can be combined with ASSA dp 2400 series for doors where the security demands does not require approved locking.

We Recommend