General description Light Duty Flame Retardant Anti-Vibration Rubber Lined U-bolt designed for pipes with an outer diameter of 108 mm. This U-bolt is made from galvanised mild steel and features flame retardant rubber lining to reduce noise and vibration. It comes complete with two nuts on each leg for secure installation. Technical specifications Pipe O/D: 108 mm B: 67 mm C: 80 mm F: 120 mm G (Thread Size): 12 mm K: 90 mm X: 108 mm D*A (backing pad): 25*10 mm Tolerance on dimensions: +/- 1 mm Material: Galvanised Mild Steel Rubber Material: Railway Grade Silicone 80sh Postcured for minimum 4 hours at 200°C Shore A: 80 Tensile: 10.0 N/mm² Elongation: 420% Tear B: 26 N/mm Specific Gravity: 1.22 Working temperature: -40°C to +200°C Dielectric Strength: approx 24 KV/mm Flammability Temperature Index: 352°C Toxic Flame Emission: R 0.12 Advantages Reduces or eliminates noise and fatigue due to vibration of pipework against the supporting structure. Prevents galvanic corrosion from contact