Balancing Valve Commissioning Calculator

Instructions:

Step 1: Select the specifics of the valve to be tested (i.e. Valve type and Size).

Step 2: Select the Presetting value as read off the handwheel indicator.

Step 3: Measure the pressure drop across the valve and enter it in the box below.

Step 4: Click the calculate button to determine the current flow rate through the valve.

Step 5a: If the flow rate is higher than the desired flow rate, turn the handwheel clockwise and then repeat steps 1 through 4.

Step 5b: If the flow rate is lower than the desired flow rate, turn the handwheel counter-clockwise and then repeat steps 1 through 4.


Valve Type:
Valve Size [inches]:
Presetting:
Pressure Drop:




Flow Rate
 
 
 
 
 
 
 
 
Valve Size in Inches DN number
0.5 15
0.75 20
1.0 25
1.25 32
1.5 40
2.0 50
2.5 65
3.0 80
4 100
5 125
6 150
8 200
8 200
10 250
12 300