8263H300-120/60, 110/50 Brass Miniature Direct Acting Valve for Hot Water & Steam - 1/4" Pipe Size, 2-Way Normally Closed, PTFE Sealed, 5/32" Orifice, 0.52 Cv Flow, 120V/60Hz & 110V/50Hz - Ideal for HVAC Systems, Boilers, and Industrial Steam Applications