Two dual flanged elements can be bolted together to form a dual element having twice the torque capacity of a single element. Dual elements can be furnished in sizes 12CB350 through 45CB525.
        
                    Unit of Measure
                    
               
        
            Specifications
                                                                                Size | 
                                                                        N/A 30CB525 | 
| Torque Rating (75 psi/5.5 bar)1 | N/A 242000 lb·in27300 Nm | 
| Maximum Speed2 | N/A 950 rpm | 
                                                                                Centrifugal Loss Constant Cs | 
                                                                        N/A 2.76 E-06 bar/rpm2 40 E-06 psi/rpm2 | 
                                                                                Inertia | 
                                                                        N/A 621 lb·ft²26.08 kg·m² | 
                                                                                Weight | 
                                                                        N/A 302 lb137 kg | 
                                                                                Friction Area | 
                                                                        N/A 916 in²5908 cm² | 
                                                                                New Friction Lining Thickness | 
                                                                        N/A 0.33 in8 mm | 
                                                                                Worn Friction Lining Thickness | 
                                                                        N/A 0.06 in2 mm | 
| Air Tube Cavity3 | N/A 580 in³9.51 dm³ | 
                                                                                Minimum Drum Diameter | 
                                                                        N/A 29.81 in757 mm | 
                                                                                Dimension D2 | 
                                                                        N/A 14.44 in367 mm | 
                                                                                Dimension D25 | 
                                                                        N/A 0.25 in6 mm | 
| Dimension G4 | N/A 38.000 in965.2 mm | 
                                                                                Dimension H2 | 
                                                                        N/A 36.750 in933.5 mm | 
                                                                                Dimension H6 | 
                                                                        N/A 30.19 in767 mm | 
                                                                                Dimension H7 | 
                                                                        N/A 36.50 in927 mm | 
                                                                                Number of Mounting Holes | 
                                                                        N/A 16 | 
                                                                                Bolt Hole Size L | 
                                                                        N/A 0.625 in16 mm | 
                                                                                Dimension O3 | 
                                                                        N/A 0.50 in13 mm | 
                                                                                Air Inlet Thread | 
                                                                        N/A 1/2-14 | 
                                                                                Angle Q | 
                                                                        N/A 11.250 º | 
                                                                                Dimension V | 
                                                                        N/A 0.84 in21 mm | 
                                                                                Number of Friction Shoes | 
                                                                        N/A 36 | 
                                                                                Friction Shoe Width (W) | 
                                                                        N/A 12.69 in322 mm | 
- 1 Dynamic torque shown, static torque approximately 25% greater. Torque in each application is dependent upon air pressure and speed.
 - 2 Maximum rpm is dependent upon operating conditions and varies for each application. Consult factory for applications exceeding these speeds.
 - 3 Drum contact with worn shoes.
 - 
                        4 Tolerance for sizes:
12 thru 24, 28 and 32
+0.000/-0.005 in (+0.00/-0.13 mm)
26 and 30
+0.000/-0.008 in (+0.00/-0.20 mm)
36 thru 45
+0.000/-0.010 in (+0.00/-0.25 mm) 
