DC403 door closer

详情

A door closer is a mechanical device that closes a door, in general after someone opens it, or after it was automatically opened. Choosing a door closer can involve the consideration of a variety of criteria. In addition to the closer's performance in fire situations, other criteria may include resistance to opening forces (for use by disabled or infirm) as well as health, safety, durability, risk of vandalism/ligature and aesthetics.

Its main role is to:
A, Ensure fire door at the state of emergency in the closed state; Protection of building the user's life safety, prevent the spread of fire and smoke.
B, Control door open, closed, protect users, door and door hardware.
C, Ensure door lock device (mechanical lock, electric lock, etc.) work normally.
D, Energy-saving, sound proofing.

Function

• Economic - Low inventory costs and reduced stocking requirements thanks to its stream and non-handed design
• Back Check - Provides a cushioning effect when the door is forcibly thrown open but does not serve as a substitute for a door stop.
• Delayed Action - Provides prolonged closing time to assist passage of trolley's, wheel chairs and elderly people etc
• Closing speed can be adjusted independently
• locking speed can be independent regulation.
• with the buffer and close the door strength adjustable function.

Features:
The main part is made of aluminum extrusion, prevent the body oil leakage, high intensity body, import high quality hydraulic oil, whether cold or summer can guarantee open automatically, smooth operation, stable quality, durable, used for light door, open by left and right, can three sections of speed regulation.

Parameter:
Material: Aluminum alloy
Specification
Overall dimensions:
Install dimensions:
Closing speed: 1.5kgf.m
Width of door: **0mm
Weight of door: ****5kg
Closing force: EN3
Style of door: light door
Life span: long lived
Standard color: sliver