Sell hydraulic door closer

Description

General Information door closer 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. Door closer is installed in a upper portion of way opening flat door fan, be applicable to the wood, steel evacuation door, fire door and have a higher requirements place doors. Special statement: 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.