Haudraulic Door Closer 1. Manual open, automatic close, 2. No motor, no drive device, energy saving 3. For double leaf Haudraulic Door CloserDoor type 1 leaf, single 2 leaf, bi-partingRecommended max. door weight 60×1 kg 60kg×2Tracking length 2200mm 2200mmx2Door width 650mm-1200mm 650mm-1000mmManual push force 20N 30NAmbient temperature -20°C to 50°C -20°C to 50°C1. FeaturesHumane design and ...