Valves as machine components; Valves being parts of machines; Back pressure valves as parts of machines; Ball valves being parts of machines; Butterfly valves being parts of machines; Dispensing valves being machine parts; Pump control valves; Thermostatic control valves for machines

Valves being parts of machines; Valves as machine components; Back pressure valves as parts of machines; Ball valves being parts of machines; Butterfly valves being parts of machines; Dispensing valves being machine parts; Pump control valves; Thermostatic control valves for machines