Recent content by haruko
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Why does brand A hand pump pressure plateau faster than brand B?
that's no relief valve in this case...- haruko
- Post #6
- Forum: Mechanical Engineering
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Why does brand A hand pump pressure plateau faster than brand B?
No, it's not run out of fluid. No, it's not a brand new hand pump. No, we don't pumping directly into a dead-headed gauge.- haruko
- Post #4
- Forum: Mechanical Engineering
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Why does brand A hand pump pressure plateau faster than brand B?
It is very difficult to pump while the pressure more than 100 Bar. because this is not two speed pump, it is only single speed and the capacity is 25cc per stroke, so you will feel very hard to pump. For example those high pressure hand pump maker, they will use 32cc for high speed low pressure...- haruko
- Post #3
- Forum: Mechanical Engineering
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Why does brand A hand pump pressure plateau faster than brand B?
I'm currently doing a testing on hand pump from 2 different brand. Let's say Brand A and brand B. Brand A hand pump is 20cc/cycle with maximum pressure 350 bar, Brand B hand pump is 25cc/cycle with maximum pressure 350bar as well. 1. brand A hand pump easily pump up to 92bar, but after i tried...- haruko
- Thread
- hand Pump Testing
- Replies: 6
- Forum: Mechanical Engineering