Unlike door locks, crescent locks are specifically designed for PVC and aluminum alloy sliding windows, named for their crescent-shaped bolt. This lock utilizes a spring mechanism to achieve 180° or 360° rotation.
"3H Hardware • Harmony in Diversity" – We anticipate gathering with industry colleagues to explore the boundless possibilities of architectural hardware together! November 5-6, at Booth 202, Hall W1 – We look forward to welcoming you!
3H Hardware Architectural Hardware will seize this visit as an opportunity to continuously intensify technological innovation and intelligent construction, working hand-in-hand with the association to propel the high-quality development of the architectural door and window accessories industry.
Choosing reputable brands often provides more assurance regarding material quality and after-sales service. Although the initial investment might be slightly higher, the durability and reliability offered can prevent the hassle of frequent replacements in the long run.
Deeply understanding and strictly implementing their standard requirements is a wise practice for ensuring building safety at the source and fulfilling safety responsibilities. Equipping every fire door with compliant, high-quality hardware means adding a solid layer of protection to life safety passages.
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Factory Price Curtain Wall Automatic Locking Top Hung Window System Hardware Accessories
3H INC.
Product Description
Item No. | MQS01 |
Size | maximum height and width of window sash can be up to 2m |
Application | Curtain wall window |
Load Bearing | 200kg |
Material | 304 stainless Steel |
Surface Treatment | Powder coating |
Color | handles' is customized,the other is natural |
Components | fork handle,pneumatic positioning stay,window frame locking part,multi-point locking rod... |
Function | automatic locking |
Package | Box |
Specification

Item No. | Item name | Remark |
1 | Fork handle | Optional |
2 | Connecting rob | / |
3 | Corner Device | / |
4 | Connecting block | Increase the lockable points in accordance with the regulation of window sash |
5 | Pneumatic positioning stay | Selection as per the regulation of window sash |
6 | Elevating block | / |
7 | Hung window friction stay | Non-hook top hung window should be installed with this product |
Product Description
1.Achieve the automatic locking function,under the influence of the certain forces,the pneumatic spring of pneumatic positioning stay can be contracted automatically,then,the window will be closed to prevent the window sash from damage and protect the public safety efficiently;
2.Adopting with the pneumatic positioning stay device which is with the hydraulic buffering function;
3.Adapting to the size of different windows by the configuration of the lock points, which can satisfy the customers’ requirements about door and window physical functions;
4.The maximum bearing load of single sash is 200kg,the maximum height and width of window sash can be up to 2m;
5.About the appearance,there are 32 kinds of standard color for selecting to satisfy the customers’ different requirement;
6.Suitable for hooked curtain wall top hung window.
