Back to product listing Manhole cover 315 Optimized frame with lockable grating 315-series Optimized frame 3366131-N and lockable grating 3366133-N Specifications: Product code: 3366131/3-N Warranty: 1 Years Product category: Optimized Market: Estonia, Finland, Latvia, Norway, Sweden Product type: Set Locking mechanism: Spring locks EN load class: D400 Weight: 15 kg Width: ———— mm Max height: 75 mm Seating depth: 20 mm Lenght: ———— mm Frame opening: 280 mm Pipe fit outer diameter: ———— mM Fit together: ———— Product set: ———— Material marks: Ductile EN-GJS-500/7 Contact sales