Customer Support

【Q8】What is the "flow direction" of the ball valve?

F100NB (standard product)…There is no flow directions.

F100NB (standard product)

There is no flow directions.

F100NB (products to prevent abnormal pressure rise)... There is a flow direction.

F100NB (products to prevent abnormal pressure rise)

An arrow nameplate is attached to the edge of the flange on the primary side.
Set the valve so that the hole of the ball face to the primary side when the valve is closed.
Please click here for abnormal pressure rise.

F100NB-ST (metal sheet)…There is a flow direction.

F100NB-ST (metal sheet)

An arrow nameplate is attached to the edge of the flange on the primary side.
Set the valve so that the hole of the ball face to the primary side when the valve is closed.

V100ND... There is a flow direction.

V100ND

The seat of the V-port valve is installed on only one side.
Pipe so that the seat comes to the primary side when the valve is closed.
The body has an arrow for casting. Follow this.

E300NB-L2...There is no flow directions.

There is no restriction on the flow direction.

E300NB-T4... There is no flow directions.

E300NB-T4

In all positions, there is no restriction in the flow direction.

Y300... There is no flow directions.

Y300

There is no restriction on the flow direction.