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Thread: Flush system

  1. #1
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    Default Flush system

    Hi guys , is a standard coolant system good enough to be used as a flush system for chambering .Its has a 95watt motor flow rate of 24 litres per minute. Thanks in advance.

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    Usually not. It has to be able to build up pressure and you will need to have a filter in the supply line. Lots of old threads on here about building one. Look for Rustystud in the thread as he has taught classes on them for the NRA summer gunsmith schools.

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    What kind of pump and what pressure? 95 watts is like 1/8 HP which should be enough if it is tied to a positive displacement pump like a rotary vane style used in soda carbonators (properly modified for lower pressure--mine is set to 20 psi). MilGunsmith is correct on the filter too, but that can be added depending on system.

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    That's the above pump I was thinks of buying and adapting as a flush system for chambering.....maybe it's not powerful enough ...

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    It's plenty powerful enough. The question is whether or not it is a positive displacement pump. Pressure and flow are two different things. If the fluid comes up against the bushing of a reamer with a few millimeters worth of room for coolant to get by the flutes, is there enough pressure to push it through that resistance with a meaningful enough flow rate.


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