A valve consisting of a rotating circular plate or a pair of hinged semicircular plates, attached to a transverse spindle and mounted inside a pipe in order to regulate or prevent flow.
（蝴）蝶阀
Example sentencesExamples
The exhaust has a butterfly valve, which cuts in between 1,500 rpm and 3,000 rpm.
The most expensive single component was a large butterfly valve, which cost $7,000.
The carburetor-heat lever turns a butterfly valve in the air-induction systems that bypasses the normally filtered air, allowing warm air to directly enter the carburetor body.
A good thing to remember is that the operation of either of these systems uses a butterfly valve that closes off the normal induction system.
So today I cleaned the Automatic Idle Control valve of my Saab, and the throttle butterfly valve.
Definition of butterfly valve in US English:
butterfly valve
nounˈbədərˌflī valv
1A valve consisting of a disk rotating on an axis across the diameter of a pipe to regulate the flow, as in the throttles of many engines.
Example sentencesExamples
So today I cleaned the Automatic Idle Control valve of my Saab, and the throttle butterfly valve.
The carburetor-heat lever turns a butterfly valve in the air-induction systems that bypasses the normally filtered air, allowing warm air to directly enter the carburetor body.
The most expensive single component was a large butterfly valve, which cost $7,000.
The exhaust has a butterfly valve, which cuts in between 1,500 rpm and 3,000 rpm.
A good thing to remember is that the operation of either of these systems uses a butterfly valve that closes off the normal induction system.
2A valve consisting of a pair of semicircular plates that are attached to a spindle across a pipe and hinged to allow flow only one way.
Example sentencesExamples
This stabilizing feature is possible via Watertronics patented electronic butterfly valve technology, which also provides Lou with backup pressure regulation in the event of a VFD fault.