Are there any experts who have experience in designing hydraulic couplings?

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I have been researching hydraulic couplings recently; I want to use the YOX type hydraulic coupling as a torque limiter. However, its power transmission capacity is relatively high, and it is not designed for use with motors and driven machines, so it needs to be redesigned. I’m facing a problem now regarding the pump impeller torque coefficient; since this coefficient is determined through experiments, I’m not sure if any data on it already exists. Also, in the design guidelines, does the term “basic hydraulic coupler” refer to the three basic types: ordinary, torque-limiting, and speed-regulating? Speaking specifically of actual couplings, such as the YOX560, if the basic hydraulic couplings refer to those three types, then there should be a standard experimental graph for the pump impeller torque coefficient; however, I haven’t been able to find it. I hope that those who know about this can share it, or that everyone can discuss it together.