General description Light Duty Flame Retardant Anti-Vibration Rubber Lined U-bolt designed for 50 mm nominal bore (NB) pipes, featuring a 61 mm inner diameter (ID). Constructed from high tensile galvanised steel, this U-bolt is ideal for reducing noise and fatigue caused by pipework vibrations against supporting structures. Technical specifications Material: High Tensile Galvanised Steel (carbon steel A320-L7 with A194-Grade 7 nuts) Inner Diameter (ID): 61 mm Nominal Bore (NB): 50 mm Pipe Outer Diameter (O/D): 60.3 mm Width (B): 43.5 mm Height (C): 55 mm Length (F): 90 mm Thread Size (G): 10 mm Length of U-bolt (K): 75 mm Backing Pad Dimensions (D*A): 25*10 mm Tolerance on dimensions: +/- 1 mm Material Grade: Railway Grade Silicone 80sh Postcured for minimum 4 hours at 200°C Shore A Hardness: 80 Tensile Strength: 10.0 N/mm² Elongation: 420% Tear Strength: 26 N/mm Specific Gravity: 1.22 Constant Working Temperature: -40°C to +200°C Dielectric Strength: approx 24 KV/mm Flammability