Door Closer, Automatic Door Closing Size, Ultra-quiet Life Of 1 Million Times, Used For Domestic And Commercial Use, Suitable For 88.1-143 Pounds Medium And Heavy Doors, Antifreeze Fireproof Hydraulic
- *The use of 60Si2MnA high-quality alloy steel and high-quality alloy steel spring provides the door closer with a strong and long-lasting closing ability, and has an excellent high fatigue time, ensuring that the door closer can easily maintain the closing effect after one million uses ..
- *Paint: The two components of polyurethane with high adhesion will not fall off. When used in a highly corrosive environment, the surface will not yellow or become old..
- *Suitable for installation where security doors, wooden doors, aluminum alloy doors, steel doors, iron doors, fire doors, hollow metal doors and various door closers can be installed without installing left and right doors.
- *Before installing the door closer, the central axis of the door closer cannot be rotated 180°, otherwise it will damage the door closer and make it unusable. The regulating valve must not protrude from the main body surface of the door closer, otherwise it will leak oil.
- *Comprehensive warranty-if you are not completely satisfied with the goods you purchased, please notify us, and we will provide you with a full refund or replacement without asking any questions. Risk of buying free from reputable sellers.