Material: Phosphor bronze, Finishing: Acid treatment, Operating Temperature (degree c): (Air) 90, (fuse) 72.0-76.5, Purpose: Fuse for louver, Caution: This product has been manufactured as a fuse for the movable louvers.Do not use for purposes other than the above.
Also, it may break, due to changes in temperature, vibration, etc. if the fuse is damage.
Thus, please take the appropriate measure
Material: PVC, Length (mm): 200, Purpose: For ventilation and pipe fitting, Caution: Depends on season, temperature, and thickness, dia has some error. please be noted in advance. All size dias are approx inner dia.
Material: ABS, Color: WhiteGray, Caution: Depends on model(size), brim shape is different. Public corp standard design works AE-506-A relevant goods are phi 75 only. Urban corp construction work common detail drawing list V-30 relevant goods is phi 75 only. Use proper pipe.