Key Advantages

-Fire-Rated Lockset Application
Marketed as a fire-rated cylindrical ball knob lock for use with suitable fire door assemblies. The lockset must be matched to the applicable fire door certification and installation requirements to maintain the intended fire protection performance.

-Stainless Steel-Coloured Finish
Features a Stainless Steel (SS) finish that gives the lockset a clean metallic appearance, coordinating with common silver-toned fire door hardware and commercial building fittings.

-Familiar Round Knob Operation
The ball-shaped knob provides a traditional grip-and-turn opening action, allowing users to operate the door latch through a straightforward mechanical mechanism.

-Cylindrical Lockset Configuration
Uses a cylindrical knob lock arrangement suitable for compatible door preparations. This format allows installers to check the existing door bore, backset, thickness and latch alignment before selecting a replacement.

-Practical for Building Maintenance and Replacement
Provides a lockset option for compatible commercial and building door hardware maintenance, particularly where an existing cylindrical knob lock needs replacement with an approved fire-door-compatible product.

Broad Range of Applications
-Compatible Fire-Rated Door Assemblies, Certified Steel Fire Doors, Commercial Building Doors, Office Fire Doors, Fire Compartment Doors, Compatible Staircase Fire Doors, Building Maintenance, Fire Door Hardware Replacement, Cylindrical Lockset Replacement, Commercial Door Hardware Projects, Property Renovation, Fire Door Hardware Servicing


核心优点

-适用于防火门锁具配置
作为防火门用途的圆球式圆柱锁产品，可用于符合要求的防火门系统。安装时须确认锁具与门板认证及安装规范相匹配，以维持整套防火门原有的防火性能。

-简洁白钢色金属外观
采用Stainless Steel（SS）白钢色表面，呈现简洁的金属质感，方便搭配常见银色系防火门五金及商业建筑门用配件。

-传统圆球握把操作
采用经典圆球形握把设计，可通过握持与旋转方式带动门锁斜舌，操作方式直观，适合日常机械式门锁使用需求。

-圆柱式门锁结构
采用圆柱式门锁配置，适合与安装孔位相符的门板搭配使用。更换前可根据现有门孔、锁距、门厚及锁舌位置核对安装兼容性。

-方便建筑门锁维护与更换
适合作为兼容建筑门锁维修及更换的选择，尤其适用于需要替换旧圆柱锁的门板，但必须确认新锁具获得对应防火门系统认可后才进行安装。

适用范围广阔
-兼容防火门系统、经认证钢质防火门、商业建筑门、办公室防火门、防火分区门、符合要求的楼梯间防火门、建筑物业维修、防火门五金更换、圆柱锁更换、商业门锁工程、物业翻新、防火门五金维护