butterfly valve teriminin İngilizce İngilizce sözlükte anlamı
A serviceable valve that allows water to flow through it when open, and stops the water flow when closed
On non-fuel injected engines, this is a small metal disc that controls the flow of air into the carburetor
a valve in a carburetor that consists of a disc that turns and acts as a throttle
A throttling valve, found on bell provers, made up of a disc that rotates on an axis within the valve body, thereby varying the cross-section that is open to fluid passage
A rubber lined valve which has become popular in replacing iron gate valves in pool circulatory lines By their design they can be opened too quickly so must be used in a controlled manner