The self-closing gate is also aluminum for light weight and is fully integrated into the GuardLite system. The gate is mounted with a few hand movements and works both left and right hung. The suspension device is rotatable for mounting in hidden, parallel or perpendicular walls. The crown of the gate is designed so that the gate lifts from the vault when opening and the gate thus runs free of any unevenness in the vault. The stainless steel spring ensures safe self-closing.