Key Advantages

-Fire-Rated Cylindrical Lock Design
Listed as a fire-rated cylindrical lever lock in the ST.GUCHI mechanical lock catalogue. Designed for use in compatible fire door applications, subject to the applicable door assembly approval, certification and installation requirements.

-Zinc Diecast Body with SUS304 Stainless Steel Latch
Features zinc diecast construction with a SUS304 stainless steel latch component. This combination provides a practical metal lever lock structure while using stainless steel for the latch mechanism.

-70mm Backset for 32–50mm Door Thickness
Designed with a 70mm backset and suitable for compatible doors measuring approximately 32mm to 50mm in thickness. These defined dimensions help installers check the required door preparation before installation or replacement.

-Keyed Entrance Locking Function
Equipped with an Entrance locking configuration for applications requiring controlled access through a conventional mechanical lockset. Provides a practical locking solution for compatible commercial and building doors.

-Ergonomic Lever Handle with Satin Nickel Finish
Features a lever-style handle that can be operated with a downward hand movement instead of twisting a round knob. The Satin Nickel (SN) finish gives the lock a clean, understated metallic appearance suitable for modern door hardware.

Broad Range of Applications
-Compatible Fire-Rated Door Assemblies, Certified Steel Fire Doors, Commercial Building Doors, Office Doors, Industrial Building Doors, Fire Compartment Doors, Compatible Staircase Fire Doors, Building Door Hardware Projects, Heavy Duty Lever Lock Replacement, Cylindrical Lock Installation, Property Maintenance, Fire Door Hardware Servicing


核心优点

-防火型圆柱式执手门锁设计
ST.GUCHI官方机械门锁目录将此型号列为Fire Rated防火型圆柱执手锁，适用于符合要求的防火门锁具配置。实际安装必须确认门板、防火认证及锁具安装方式相互兼容，确保符合整套防火门系统的使用要求。

-锌合金压铸结构搭配SUS304不锈钢锁舌
采用Zinc Diecast锌合金压铸结构，并配备SUS304不锈钢锁舌。两种材质分别应用于门锁主体及锁舌部件，兼顾机械门锁的结构实用性与锁舌材质表现。

-70mm锁距与32–50mm门厚适配
采用70mm Backset固定锁距，适用于约32mm至50mm厚度的兼容门板。明确的锁距及门厚范围，方便安装前核对门板孔位与尺寸，减少选错门锁规格的情况。

-钥匙式入口锁功能
采用Entrance入口锁配置，可用于需要传统机械式钥匙管理及出入控制的兼容门板，为商业建筑及一般建筑门锁提供实用的上锁功能。

-省力执手操作与缎面镍色外观
采用水平执手设计，通过向下压动把手即可操作门锁斜舌，无须像球形门锁一样扭转握把。搭配Satin Nickel（SN）缎面镍色表面处理，呈现简洁、协调的金属外观。

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、办公室门、工业建筑门、防火分区门、符合要求的楼梯间防火门、建筑门锁五金工程、重型执手门锁更换、圆柱锁安装、物业维修、防火门五金维护