The document discusses net positive suction head (NPSH) as it relates to Berkeh pumps. It mentions NPSH, NPSH required by pumps (NPSHr), and NPSH available (NPSHa) in determining if pumps will cavitate or not. The document provides information on NPSH and refers readers to the Berkeh pumps website for more details.

1. Berkeh pumps
Net positive suction head
(NPSH)
www.berkeh.com

2. Berkeh pumps
NPSH
NPSH

3. Berkeh pumps

4. Berkeh pumps

5. Berkeh pumps
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6. Berkeh pumps
1
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7. Berkeh pumps
760 mm Hg10 m

8. Berkeh pumps
Pump
Sump
Pat
m

9. Berkeh pumps

10. Berkeh pumps
C
A
B
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11. Berkeh pumps
NPSH
NPSH
NPSH
NPSHr
NPSHa

12. Berkeh pumps
NPSH
­NPSH
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13. Berkeh pumps
NPSH
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14. Berkeh pumps
www.berkeh.com