Valves - Normally Closed (NC)

Valves and the term Normally Closed.

Related Topics

• Control Valve Sizing

  Control Valve terminology, bodies, trim, flow characteristics, Cv and Kv sizing, noise, actuators, positioners and more.

Related Documents

• Valves - Fail-Closed (FC)

  A control valve that goes to closed position if control signal or air fails.

• Valves - Fail-Last (FL)

  A control valve that should stay put if control signal or air fails.

• Valves - Fail-Open (FO)

  A control valve that goes to open position if control signal or air fails.

• Valves - Normally Open (NO)

  Valves and the term Normally Open.

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