Installation Guide: Externally Operated Valve Type AV210
NC (Normally Closed) Operation
This section describes the valve's operation when it is normally closed.
Diagram 1: Valve operation for NC state.
The diagram shows a valve with an inlet port labeled '1' and an outlet port labeled '2'. An arrow indicates the direction of fluid flow.
EN: Closing against flow direction, recommended to avoid water hammer.
Diagram 2: Valve operation with flow direction.
This diagram illustrates the valve operating with the flow direction, featuring inlet port '1' and outlet port '2'. An arrow indicates the direction of fluid flow.
EN: Closing with flow direction, recommended only for compressible fluids for extended pressure range.
NO (Normally Open) Operation
This section describes the valve's operation when it is normally open.
Diagram 3: Valve operation for NO state.
The diagram shows the valve with inlet port '1' and outlet port '2'. An arrow indicates the direction of fluid flow.
EN: Closing against flow direction.
