ball valve, check valve , for float

[markw7917]

i read some place i think on this site you can add ball valve and check valve to spool valve for float any body no about this thanks for any info

 

[J_J]

Is this what you are looking for?

20 GPM 1/2" NPT FLOAT VALVE PRINCE SS-2B1D

 

[oldnslo]

For a true float function both cylinder ports are tied common to tank. Not sure this could be done with a single ball valve and check valve.