M-5

Optidrain®system grate and frame assembly. The frame is designed for installation adjacent to the sidewalk and allows for the continuous installation of multiple units. It consists of two hinged grates with an opening angle of up to 110º and a textured, anti-slip surface. Once installed, the grates cannot be removed from the frame. The absorption surface area is 1731 cm², with a maximum water absorption rate of 66 L per second (UPC) depending on location conditions. External frame dimensions: 1030 x 530 x 100 mm; grate dimensions: 500 x 500 mm; clear opening: 930 x 430 mm. Manufactured from ductile iron according to UNE-EN 1563, class EN-GJS-500-7. Complies with UNE-EN 124-2, class D400. Finished with asphalt black paint.