We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
A valve bowtie with a diagonal disc line.
Also known as: Disc valve symbol, Wafer valve symbol
On a piping diagram a butterfly valve is drawn with a diagonal line through the body, representing a disc that rotates within the flow.
Denotes a butterfly valve, closed by rotating a disc across the flow.
Contexts: Technical drawing
Is compact and light for its bore, which is why it is common in large-diameter low-pressure service.
Contexts: Technical drawing
A valve body with a single diagonal line drawn across the flow path, representing the disc edge-on.