Safe Pump Inlet Vacuum
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Gear Pumps |
Vane Pumps |
Piston Pumps |
Max Safe Inlet Vacuum, PSI
Max Safe Inlet Vacuum, In.Hg |
3 to 5
6 to 10 |
2 to 3
4 to 6 |
2
4 |
The suction strainer should be cleaned or replaced when inlet vacuum on a hydraulic pump reaches these values. Sustained operation at these vacuums may damage the pump. When the suction strainer is clean, the inlet vacuum should not be more than 1/3 of these values.
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