Thread: So I built a hydraulic pump today
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Old 04-09-2013, 01:23 PM
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Default Re: So I built a hydraulic pump today
I've been messing with this(big mess, oil everywhere) a bit lately and I need some advice on the shaft seal. I've got the pump to produce around 12bar or 175psi without any trouble but the o ring(now 2) on the shaft can't take the pressure. I have tried standard rubber, Viton and harder rubber with no success. Does anyone know what the manufacturers use on this style pump? I'm trying to seal the 1/8 motor shaft. Pictures of any working set ups would be nice to see too!

Thanks, Reg
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