Doors & doors system [india] private limited manufactures the security barriers, trilock 900. The trilock 900 provides an effective means of controlling walker access. It is characterized by its very dependable mechanism, strong construction and stylish design. The attractive design makes it mainly suitable for environments such as reception areas in corporate, governmental and financial offices. The trilock 900 is available with either rigid or collapsible arms in fail-secure or fail-safe versions. While the fail-secure models ensure that the entrance stays blocked in cases of emergency or power failure, fail-safe models will either unlock to freely rotate or drop the collapsible arm, depending on the type of mechanism chosen.
