Auto Hydraulic Door Closer

Feature: - Silent mode on off - Automatic hydraulic cushioning door closers - Latching Speed Control/Dual Valve Closing - Precise sealed,preventing oil leakage -This door closer is suitable for installing in Stainless Steel Security Door - The installation modes of vertical,parallel and slide-rail type all can be chosen at will. - The door closer can be chosen to stop or unstop at will. - Continuous adjustment of closing and latching speed:the fast speed can be adjusted to within 3s from 90 degree,slowness close can reach to 60s or more. -Includes Mounting accessorie