The Cim 727, 3/4-inch & 20mm Forged Brass Balancing Valve appears to be a type of valve commonly used in fluid systems for balancing the flow of liquids or gases. These valves are integral in ensuring that the flow rates in various branches of a piping system are properly adjusted to maintain system efficiency and optimal performance. https://industrywaala.com/product/cim-727-3-4-inch-20-mm-forged-brass-balancing-valve-quantity-1-pcs/