API –610 (7th Ed.) Hydraulic Institute Standard, ANSI
and Industry Practice
Capacity at
rated head
– +10/−0% +5/−5%
Efficiency − 0.5% 0% Formula
Rated Power +4% – –
NPSH-r−3%
head drop
+0 m
Retest When reduction in impeller diameter
demands more than 5% of original
diameter
When reduction in impeller diameter
demands more than 5% of original
diameter
Mechanical
seal
Leakage
test
Mutual agreement Not specified
7.3 Performance test procedure
The performance test of horizontal or vertical pumps needs different configurations of the
pump testing facility
Typic ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.