DUCT SIZER : YOU CAN CHECK YOUR MAX VELOCITY IN EASY AND FAST WAY .BY ENTER TWO INPUT YOU CAN GET ALL INFORMATION REQUIRED TO COMPLETE YOUR DUCT DESIGN.YOU CAN USE DESCRIPTION HOW TO USE THIS APP. BY PRESS ABOUT BUTTON THEN DESCRIPTION OF USE.YOU CAN CHANGE BETWEEN ANY TWO VARIABLES (FLOW RATEVELOCITYHEAD LOSS AND EQUIVALENT DIAMETER ) TO GET OTHERS.IF YOU LIKE CHANGE HEIGHT OF DUCT YOU ABLE TO SEE PRESSURE HEAD LOSS AND VELOCITY CHANGE BY PRESS UPDATE CALCULATION BUTTON.

IT IS USEFUL CALCULATION TOOL FOR MECHANICAL ENGINEERING AND CONTRACTOR.