At 06:56 PM 5/10/2016, John Rodgers wrote: >something goes wrong in the system. But it would be interesting to know >what the actual system pressure range is, especially since sea level >atmospheric pressure is 14.7 psi. It's 14.7 psi absolute or 0 psi gauge pressure, all depends on where you take your reference from. >That weight of air is enough to push the >coolant back in to the system as the coolant cools and shrinks. So what is >actual system pressure at both ends of the spectrum - hot and cold? The pressure cap opens for outflow around 13-15 psig and for inflow at much lower pressure, less than one psi I think -- you can make it open with your breath. Yrs, d |
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