door closer

Door Closer 1.Applied to maximum width 800-1000mm single direction open door,Door weight reaches 15-100kg.Two speed adjustment. 2.Two hydraulic pressure valves independently control two door closing speed,90o fully hydraulic control and the force-adjustable locking cection20o--0o. 3.Precise seal prevent oil leakage. 4.High quality casting iron body,coated with quality and gloss paint. 5.Painting plastic moving arm against erodent. 6.90o positioned door closer can be custom-made upon customer's request. 7.Meet the China State GB12955-2008 standard.