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Gear type pump pressure relief valve

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Gear type pump pressure relief valve
Charles P Offline
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#1
02-01-2020, 01:58 AM (This post was last modified: 02-01-2020, 02:01 AM by Charles P.)
I have a recollection that someone clever (possibly Paul Bonewell) redesigned the "ball" part of the pressure relief valve to work better with a gear type pump/pressure fed crank. Memory tells me that it used a mushroom shaped replacement for the ball. I'm certain that I've got one somewhere but can I find it? 

Does anyone have a photo or sketch of what the part looks like so that I can make a replacement?

Thanks

Charles
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Gear type pump pressure relief valve - by Charles P - 02-01-2020, 01:58 AM

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