Back to product listing Manhole cover 550/50 round frame and blind cover 550/50 D400 grey cast iron round frame 3366020-N and blind cover 3366021-N Specifications: Product code: 3366020/21-N Warranty: 2 Years Product category: District heating, HD, Normal Market: Estonia, Finland, Latvia, Norway, Sweden Product type: Set Locking mechanism: ———— EN load class: D400 Weight: 104.5 kg Width: ———— mm Max height: 175 mm Seating depth: 50 mm Lenght: ———— mm Frame opening: 500 mm Pipe fit outer diameter: ———— mM Fit together: ———— Product set: ———— Material marks: Grey Cast EN-GJL-200 Contact sales