In many applications a slip ring is coupled with a Hydraulic Rotary Unions (HRU). As we started to investigate competitor HRUs further, we found poor practice in fundamentals of O-ring sealing and fluid flow dynamics, as well as little consideration for user interfacing or the size and form factor of the unit. With the flaws we kept noticing in the HRU market, we decided to develop our own robust, well-engineered, compact Hydraulic Rotary Unions with high flow rate capabilities to ease the pain points identified.
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