Actuators for valves; air delivery valves; air switching valves; butterfly valves being parts of machines; check valves (parts of machines); compressed air pilot valves; compressed air switch valves; control valves (parts of machines); control valves being hydraulic apparatus; control valves being pneumatic apparatus; digital electro-hydraulic proportioning valves; fluid pressure control valves; fluid pressure flow control valves; fluid pressure operated flow control valves; fluid pressure operated fluid control valves; fluid valves for industrial use (parts of machines); fuel valves; hydraulic control valves; hydraulic valves; hydraulic valves (parts of machines); hydraulically operated butterfly valves; level regulating valves (parts of machines); manual control valves (parts of machines); manually operated valves (parts of machines); mechanical control valves; non-return valves of metal (parts of machines); non-return valves of plastic (parts of machines); plunger type valves for use with tanks; pneumatic actuators for control of shut off valves; pneumatic actuators for control valves; pneumatic control gear for valves; pneumatic control valves; pneumatic controls for automatically operating valves; pneumatically operable valves; pressure control valves being parts of machines; pressure controllers (valves) being parts of machines; pressure reducer valves (parts of machines); pressure reducing valves (parts of machines); pressure reducing valves being parts of cryogenic apparatus (machines); pressure regulating valves being parts of machines; pressure regulating valves parts of machines; pressure valves (parts of machines); regulating valves (parts of machines); regulators (valves) being parts of machines; safety valves (parts of machines); solenoid operated valves; suction valves for air compressors; suction valves for gas compressors; vacuum control valves (parts of engines); vacuum control valves (parts of machines); vacuum control valves (parts of motors); valve actuators; valve assemblies of metal (parts of machines); valves (mechanical) for regulating fluid flow; valves for compressors