Valve selection instructions
Step 1: Measure
or calculate the capacity of your pump installation.
Step 2: Look at the chart for the valve(s)
that cover the flow rate.
Step 3: For applications where the water
contains sand or silt, choose the smallest valve
that will be operating in the area
shown by the thicker line.
Example: If your pumping capacity is 400
l/min use a FV032 Foot Valve