hydraulic development
hydraulic development
(OP)
Dear all,
to achieve performance, we trimmed impellers to lower the head. but after trimming serious droop is observed at shut off. wondering why it is? can any one help me??????
to achieve performance, we trimmed impellers to lower the head. but after trimming serious droop is observed at shut off. wondering why it is? can any one help me??????





RE: hydraulic development
RE: hydraulic development
No sir, trimming is well within the limit
RE: hydraulic development
It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. (Sherlock Holmes - A Scandal in Bohemia.)
RE: hydraulic development
Can you post any curves?
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: hydraulic development
RE: hydraulic development
You, then it`s your fault.
The vendor? Ask him.
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: hydraulic development
It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. (Sherlock Holmes - A Scandal in Bohemia.)