<p>the sequential door closer ensures the doors close in the "right order," while the door closer ensures they "close properly." Understanding their differences is key to selecting the right components that meet safety standards while enhancing usability.for reliable door control hardware, consider 3H Hardware</p>
<p>the sequential door closer ensures the doors close in the "right order," while the door closer ensures they "close properly." Understanding their differences is key to selecting the right components that meet safety standards while enhancing usability.for reliable door control hardware, consider 3H Hardware</p>
Aside from choosing the right materials, regular maintenance is essential. Periodically cleaning hardware surfaces to remove salt, dust, and accumulated water can effectively delay rust formation. Additionally, opt for accessories designed with drainage holes or channels to help eliminate water buildup and reduce the risk of corrosion.
This exhibition represents a dual breakthrough for 3H Building Hardware in terms of brand influence and market expansion. It not only strengthens the company’s position in the domestic market but, more importantly, opens the door to the ASEAN market.
PHKS
3H INC.
Item No. | PHKS |
Size | 10”12”14”16”18” |
Application | UPVC outward casement windows |
Groove width | 22mm |
Material | Stainless steel 304 |
Thickness | 2.5/3.0mm |
Color | Original |
Friction height | 15.5/16.5/18mm |
Loading weight | 27-40kg |
Function | durable,easy-installation,smooth-operation |
Specification


Product Description
1. Apply for UPVC outward casement windows.
2. Applicable window in max height 1500mm, width from 500-750mm..
3. Using excellent stainless steel 304 material.
4. Durable,easy-installation,smooth-operation
Its role:
(1)Limit the casement opening angle;
(2)When window in the opening state,prevent the strong wind to let the sash closed and collision the window frame and then damaged the window.
Item No. | PHKS |
Size | 10”12”14”16”18” |
Application | UPVC outward casement windows |
Groove width | 22mm |
Material | Stainless steel 304 |
Thickness | 2.5/3.0mm |
Color | Original |
Friction height | 15.5/16.5/18mm |
Loading weight | 27-40kg |
Function | durable,easy-installation,smooth-operation |
Specification


Product Description
1. Apply for UPVC outward casement windows.
2. Applicable window in max height 1500mm, width from 500-750mm..
3. Using excellent stainless steel 304 material.
4. Durable,easy-installation,smooth-operation
Its role:
(1)Limit the casement opening angle;
(2)When window in the opening state,prevent the strong wind to let the sash closed and collision the window frame and then damaged the window.
