| Type | Series/ CAD  | 
            Vane type  | 
            Size | Rotating angle | |
| Single | Double | ||||
| Standard | CRB2BW  | 
            Single, Double  | 
            10,15, 20,30, 40  | 
            90º, 180º, 270º  | 
            90º, 100º  | 
        
| With angle adjuster  | 
            CRB2BWU  | 
        ||||
| Features | 
            
  | 
        ||||


