Pump operating point

[@samukelongubane8844]

I have been following and reading some interesting, well explained related pump literature on your website... but I no longer able to go to your website as it give errors.....any assistance?

[@Pumping_Systems_Audit]

Thank you very much for your interest, I hope to fix the problem soon

[@Pumping_Systems_Audit]

If you do not have a nonreturn valve, then yes. The nonreturn valve is highly recommended.

[@dheyaalgallaf6060]

How to start up a variable speed pump?

[@dheyaalgallaf6060]

How to start up a fixed speed pump?

[@Pumping_Systems_Audit]

You can find information about fixed speed pump start-up on this page pumpsaudit.com/pump-start-up start up of variable speed pump is very similar but you can use the function of soft start. In this case the discharge valve can be open.

[@dheyaalgallaf6060]

@@Pumping_Systems_Audit if discharge valve kept open for variable speed pump, will have reverse flow?