Check valve before or after

[s10010001]

Is the check valve best before or after my jet pump and CSV? or in between?

Mine is currently (and has been for some time) in the input side, before my jet pump. Between my jet pump and storage tank.

just noticed some other diagrams reading around looking for info and thinking maybe I have it wrong.

 

[Fitter30]

Check in between pump discharge and csv.

CSV125: Installation Instructions – Cycle Stop Valves, Inc

Please read all instructions before beginning installation Step 1 Be sure that the well has been pumped clean before any valve installations. It is also important that all lines including the pump be flushed clean of debris. Pipe dope or trash pumped into the valve can make the CSV fail. Turn...

cyclestopvalves.com

 

[Sponsor]

 

[Valveman]

Before the CSV fine but I prefer on the suction line.

 

[s10010001]

Yea that’s where line is now, on the suction line, a larger 1 1/4” brass check valve about 6” from the pumps inlet. Seems to work fine, I guess I’ll leave it alone then thanks.

 

[Valveman]

Yea that’s where line is now, on the suction line, a larger 1 1/4” brass check valve about 6” from the pumps inlet. Seems to work fine, I guess I’ll leave it alone then thanks.

That is perfect and all you need.