Epanet2: GPV valve

[dv0014]

Does anybody know if reverse flow is allowed for GPV valve?
Thank you.

 

[BigInch]

Not sure, I haven't used EPA yet, but if the initials are true to form as in other flow programs, GPV is a general purpose valve, and they usually allow flow in both directions. Just try a it and see. Probably not going to hurt anything. Raise the outlet pressure higher than the inlet pressure and you'll find out.

BigInch-born in the trenches.

http://virtualpipeline.spaces.msn.com

 

[hydrae]

I have used them but the unit could not reverse direction in my model. I would assume it would have an internal check in the model and if you need it two way put 2 in parallel with short sections of pipe before and after each, make sure they do not conflict, work out the logic so both valves are not flowing at the same time. the short sections of pipe help the program run the numbers. anytime valves and pumps are directly connected you have the potential for problems

Hydrae

 

[BigInch]

That certainly dosn't sound convenient.

BigInch-born in the trenches.

http://virtualpipeline.spaces.msn.com

 

[BigInch]

Any other "gottchas" we should know about?

BigInch-born in the trenches.

http://virtualpipeline.spaces.msn.com

 

[hydrae]

The biggest gottcha is the price
The Program has been out for over 10 years and is still free...
Hydrae

 

[BigInch]

Good price, but at what cost? I just deleted my copy. (I was going to try it some day, but not now.) Is it reasonable to have all valves acting as check valves? I would rather pay for a program that works, rather than pay every day in frustrating discover the work-around time.

BigInch-born in the trenches.

http://virtualpipeline.spaces.msn.com