Description: mean flow velocity through the valve opening area; Name: valve opening speed
Description: mean velocity of the flow through the valve spill area; Name: valve spill velocity
Description: Motion direction (rotating direction) in the case of rotation. NOTE: The rotational direction takes place in view of the targeted end. Anti-clockwise shaft rotation (left L) is described as positive and clockwise (right R ) as negative. Rotational direction-independence is described with (S); Name: Rotational direction of the drive