RWV® Balancing Valve, 9519 Series, 1/2 in Nominal, Solder Connection, Full Port, 300 psi, Pressure Class: Class 300, 0.98 to 2.35 gpm Flow Rate, Water Media, Manual Actuator, 3.74 in Inlet to Outlet Length, 4.06 in Top to Inlet Center, 1-Handle Handles, DZR Brass Body, Brass Seat, Brass Stem, PTFE Seal, DZR Brass Disc, Brass/DZR Brass Trim, ABS Handle, EPDM/PTFE/Steel Softgoods, Hand Wheel Operator, 2.22 Cv Flow Coefficient (Cv), 15 to 260 deg F, Material Standard: ASTM B124 UNS C37700, ASTM UNS C35330, Contains Lead, Blue, 3.74 in L x 4.06 in H, Domestic/Import: Import