1. having valves or equipped with valves

Examples

• The valved trumpet produces different pitches when the musician presses the keys.
• Modern engines use valved cylinders to control airflow.
• The valved breathing apparatus allowed the diver to regulate oxygen intake.
• Valved instruments require regular maintenance to function properly.
• The plumbing system featured valved connections at every joint.
• Valved containers prevent contamination by controlling access to contents.