Reversible Key System: you can insert the key in both ways.
The quattro system conforms to the international standards.
A master key system quattro is suitable for big master key systems. For example, under a general master key can be made more than 30 million individual positions.
Dorset Kaba quattro is an ergonomically perfect reversible key systems. This means the keys are entered vertically into the cylinder.
Central functions in a master key system are made without loss of security which means without split pins.
Dorset Kaba security key systems offer maximum protection for the customer. The keys of the system are copy protected by technical features and patented. The special shape of the key tip prevents unauthorized keys enter into the key channel. Replacement keys are always produced in the Dorset Kaba factory and controlled by an authorized security card.
All Kaba quattro keys are made of international quality resistant material nickel silver.
Key duplication : virtually impossible can be duplicated only by dorset Kaba.
Cylinder compliance with security protection tested of Austrian Standard B 5454, EN 1303 Class 5 (DIN cl.3, Vds cl. B)
Life time warranty*
   
 
The system has up to 32 pins per cylinder. The lengths of the pairs of pins are always identical - this gives the highest level of anti-picking protection. Each of the 32 pins can be varied up to 4 steps. The four rows of pins are radial positioned and can be fully varied to given unlimited amount of variations, more than million unique permutations are possible.
Security - Dorset Kaba master key systems fulfill a high security standard, of radially arranged tumbler pin row, best materials, exact precision milling and unique cylinder construction.
High copy protection - dorset Kaba ensures the security card as well as computer controlled milling process and key blank protection.
Investment security - the master key system can be expanded at any time and can be integrated into electronic locking systems.
Convenience - the reversible key can be inserted into the the lock cylinder in any position.
Organization - the customer determines in the master key systems which key opens which door(s), as per his/her requirements.
Residential
Universities
Hospitals
Banks/Insurance companies
Public buildings
Industry
Airports
Commercial Buildings
Business Centers
BPO's, etc.
Master key system
Central Locking system
Grand Master Key system
   
   
 
A master key system is a system, where in a master key can open all cylinders made under master key system.
   
 
Central locking system is used for common doors/rooms e.g. Main entrance door of an apartment
A group of keys can operate the central cylinder
All keys are different and they operate the own flat only
 
 
A grand master key system is a system, where in a master key does open one to him assigned group & the grand master key open all cylinders.