Product introduction：1. Added specifications with swing angle of 270° (size 10·15·40) [New] 2. Compactness achieved through built-in angle adjustment unit and magnetic switch unit (size 20, 30, 40) Overall length: shortened by 44%, weight reduced by 48% 3. To facilitate installation, piping, wiring and angle adjustment units are concentrated on the same side. 4. Use the angle adjustment screw to easily adjust the starting and ending positions (adjust as per standard) 5. The swing angle can be confirmed according to the milling position of the shaft (only for CDRB type with magnetic switch) 6. Various units of the previous product CRB2 series can be installed on the CRB series.