The Wichita Air-Tube Disc Brakes combines all the best features of the disc type clutch with all the advantages of direct air engagement. The simplest and most trouble-free method of applying air pressure is through direct axial pressure application by compressed air in a special composition full-circle tube.
        
                    Unit of Measure
                    
               
        
            Specifications
                                                                                Assembly Number | 
                                                                        N/A 7-018-200-100-0 | 
                                                                                Dynamic Torque Rating (80 psi/5.5 bar) | 
                                                                        N/A 103200 lb·in11410 Nm | 
                                                                                Dynamic Torque Rating (100 psi/7 bar) | 
                                                                        N/A 129000 lb·in14520 Nm | 
                                                                                Maximum Bore Size | 
                                                                        N/A 4.75 in121 mm | 
                                                                                Maximum Air Pressure | 
                                                                        N/A 130 psi9 bar | 
                                                                                Maximum RPM (Standard Airtube) | 
                                                                        N/A 1270 rpm | 
                                                                                Maximum RPM (High Speed Airtube) | 
                                                                        N/A 1910 rpm | 
                                                                                Total Brake (Weight) | 
                                                                        N/A 377 lb171 kg | 
                                                                                Weight (Hub & Center Plate) | 
                                                                        N/A 120 lb54.4 kg | 
                                                                                WR2/J=mr2 (Hub & Center Plate) | 
                                                                        N/A 28.8 lb·ft²1.214 kg·m² | 
                                                                                Dimension A | 
                                                                        N/A 23.25 in590.6 mm | 
                                                                                Bolt Hole Diameter B | 
                                                                        N/A 22.000 in558.80 mm | 
                                                                                Dimension C | 
                                                                        N/A 18.250/18.253 in463.55/463.63 mm | 
                                                                                Dimension D | 
                                                                        N/A 22.00 in558.8 mm | 
                                                                                Dimension F | 
                                                                        N/A 4.75 in120.7 mm | 
                                                                                Dimension G | 
                                                                        N/A 0.44 in11.2 mm | 
                                                                                Dimension H | 
                                                                        N/A 8.63 in219.2 mm | 
                                                                                Dimension J | 
                                                                        N/A 0.38 in9.7 mm | 
                                                                                Number of Mounting Holes (L) | 
                                                                        N/A 12 | 
                                                                                Dimension L | 
                                                                        N/A 21/32 in16.7 mm | 
                                                                                Dimension M | 
                                                                        N/A 12.50 in317.5 mm | 
                                                                                Dimension N | 
                                                                        N/A 7.00 in177.8 mm | 
                                                                                Dimension Q | 
                                                                        N/A 0.63 in16.0 mm | 
                                                                                Dimension R (Number - Size) | 
                                                                        N/A 3 - 1/2 NPT | 
                                                                                Dimension T | 
                                                                        N/A 7.75 in | 
                                                                                Minimum U | 
                                                                        N/A 2.00 in50.8 mm | 
                                                                                Maximum U | 
                                                                        N/A 4.75 in120.7 mm | 
                                                                                Manufacturer | 
                                                                        N/A Wichita Clutch | 
                                                                                Actuation | 
                                                                        N/A Air Applied | 
