Valves of metal other than parts of machines; safety valves of metal not being parts of machines
Metal GoodsHydraulic and pneumatic actuators of valves; valves being parts of machines; special valves, namely, globe valves and anglevalves, ball valves, gate valves, check valves, butterfly valves, male valves, safety valves and safety relief valves, automatic ballvalves, control revolving valves, and components thereof, all of the foregoing being parts of machines
MachineryElectric actuators of valves; checking, controlling and regulating apparatus in the nature of solenoid valves, electric relays forvalves and parts of valves; manometers for measuring, indicating, checking, recording, analyzing and adjusting temperature,pressure, humidity, vibration and impact; electronic valves for controlling gases and liquids; manual and automatic pressure reliefvalves; electric valve actuators for controlling the transport and distribution of fluids
Electrical and Scientific ApparatusSteam conditioning apparatus for industrial purposes, namely, steam desuperheaters
Environmental Control ApparatusRepair services of control and safety valves; maintenance services for control and safety valves
Building Construction and Repair