GH028: Door closer, auto door closer, concealed door closer, Suitable for one-way opening door with maximum door plank width of 1100mm, Suitable for door weight of 35-60kg.
Hidden smart design, prepare ball bearing type rocker and parallel bracket, convenient and tand quick to install.
Built-in decompressing valve to prevent damage of the door in case of extreme exterior pressure or door closing in strong wind. For 0° -180 ° Full hydraulic control, with two sections for controlling the closing speed individually, closing door section 180° -20° , closing lock section 20° -0° . With a constant temperature fitting, can keep a steady closing speed on the change of the difference in temperature. High quality alloy die-cast body, safe and durable protected by three layers bright paint, to prevent oxidation. For both left or right-hand closing, can assemble with them. Surface color; Silver, golden, black or custom-made.
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