Description: differential pressure measured between the inlet and outlet ports for the operating conditions; Name: diff pr rated
Description: Differential pressure for the operating conditions at the guarantee point ; Name: Rated differential pressure 
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