80G Upward Opening Flap

- Available in several models. All models can be adjusted to obtain desired tension for opening and closing.
- Torque calculation: Torque = Door Height x 1/2 x Door Weight. Torque per piece: 40 to 70 kg/cm (35 to 60 lb/in). Torque per pair: 80 to 140 kg/cm (70 to 120 lb/in).