Z-DISC

Manually operated metal valves

Butterfly valves being parts of machines; 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; Proportional flow valves as parts of machines; Thermostatic control valves for machines; Valves as machine components

Automated valves for precision control; Automatic valves for precision control; Control valves for regulating the flow of gases and liquids