What pressure of inlet water is required for a water jet vacuum pump?

2018-07-17 View Original

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I have only been exposed to steam ejectors for vacuum creation; if I switch to a water jet vacuum pump, what pressure should the water at the inlet have? Please let me know, please let me know, please let me know

Reply #2 2018-07-17

Normal atmospheric pressure at the inlet is sufficient; the water spray front tank is open.

Reply #3 2018-07-17

I mean what pressure is required for the water pump used to spray water. It’s as if the vacuum I need is 0.1 MPa.

Reply #4 2018-07-17

Assuming the water pump has a head of 20 meters, is that okay?

Reply #5 2018-07-17

We are using one with a head of 32 meters. To achieve a vacuum level of 0.1, a water jet may not be sufficient; a Rotary Vane pump is also needed.

Reply #6 2018-07-17

Water jetting is greatly affected by water temperature; installing a Roots pump can eliminate the impact of water temperature

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What pressure of inlet water is required for a water jet vacuum pump?

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