GVC

Valves, namely, hydraulic valve actuators, shuttle valves being parts of machines, hydro-seal valves being parts of machines, poppet control valves in the nature of pump control valves, and parts of oilfield wellhead machines, namely, check valves

Valves, namely, pressure relief valves for protecting hydraulic system tubing, piping, pumps and other components from damage caused by inadvertent system over-pressurization, unloading check valves for the outlets of air compressors, solenoid valves, poppet control valves for regulating the flow of gases and liquids