RLA metal diaphragm coupling is the standard model of RL series, which adopts double section design. With reasonable structure and modular parts, it is suitable for use for medium and low speed fans and other occasions. The intermediate sleeve and diaphragm group can be replaced as a whole and can be used for long-distance machine shafting transmission
https://www.rokeecoupling.net/steel-laminae-coupling-rla-type.html