Why Recirculation line (valve) is p

[Jyop92]

Why Recirculation line (valve) is provided in Gas engine driven reciprocating pump ??

((During which initially the recirculation line is made open and on clutch engagement the recirculation valve is made closed, allowing full flow to go through the reciprocating pump.))

 

[LittleInch]

A bit more detail would help, but I guess it is so that when the engine starts or engages it doesn't see a sudden very large load.



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[1503-44]

When starting up against a high, or full discharge head, a bit of time recirculating while the IC engine is running up to operating speed rpm is often needed. Internal combustion engines do not produce high torque at low rpm, quite the opposite of electric drivers, which give max torque at low rpm.

Einstein gave the same test to students every year. When asked why he would do something like that, "Because the answers had changed."