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Manually operated metal valves; metal valves not being parts of machines; water-pipe valves of metal

Hydraulic valve actuators; parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; pneumatic valve actuators

Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines