Control Valve Fail Open Fail Close at jamesmlyonso blog

Control Valve Fail Open Fail Close. In case you are using your. for example, air to open control valves are generally closed in their normal state, which means they are safer to use a valve that “fail close” than use.

Valve Fail Open VS Valve Fail Close SIO
from en.siovalve.com

Fail open means a valve would open at a loss of signal or power. fail closed on the other hand means that when the signal is lost or there is a power outage, the valve closes naturally. If the breather plug is on the bottom side of the valve actuator, it is.

Valve Fail Open VS Valve Fail Close SIO

Control Valve Fail Open Fail Closeanother way to tell if your control valve is fail open or fail closed is to look at the breather plug. Fail close valves are often used in critical applications. If the breather plug is on the bottom side of the valve actuator, it is.fail close valves (fc), also known as normally closed (nc) valves, are designed to automatically return to a closed position in.