ALEX

Back pressure valves as parts of machines; Drain cocks; Flues for engine boilers; Hydraulic valve actuators; Machine parts that heat and maintain temperature in machine piping systems, namely, steam jacketing, electrical tracing, and insulation sold as integral components of finished machines; Pressure regulators being parts of machines; Steam engine boilers; Steam engines; Steam turbines, other than for land vehicles; Taps being parts of machines, engines or motors; Valves being parts of machines