Definition

Noun: A clapper valve is a simple mechanical device that controls the flow of a fluid (like water or air). It consists of a hinged flap or disc that opens to allow fluid to pass in one direction and closes to prevent it from flowing back in the opposite direction.

Usage

A clapper valve is used in systems where it is important to allow flow in one direction only, preventing backflow. - The pump's clapper valve ensures water moves toward the house and doesn't drain back into the well. - Many heart valves in medical devices are based on the clapper valve principle.

Advanced Usage

• Engineering Context: In technical descriptions, a clapper valve is often discussed in relation to check valves, pump systems, and hydraulic circuits.
  • The design's reliability stems from its use of a durable clapper valve.

Variants and Related Words

• Clack Valve (noun): Another name for a clapper valve, often used when the valve makes a distinct "clacking" sound as it closes.
• Check Valve (noun): A broader category of valves that includes clapper valves, all designed to permit one-way flow.
• Flap Valve (noun): A valve with a flexible flap, similar in function to a clapper valve.

Synonyms

• One-way valve
• Non-return valve
• Retention valve

Related Phrases

• To act as a clapper valve: Used metaphorically to describe something that allows movement or progress in only one direction.
  • The new policy acts as a clapper valve, permitting information to go out but not come back in.

Noun

1. a simple valve with a hinge on one side; allows fluid to flow in only one direction