What is “quack opening” control valve?

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Posted by:
Nazurudin Ahamed
30-August-2013

Controls Electrical Maintenance

Question added by amany mokhtar , Volunteer , Resala
Date Posted: 2013/10/10

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1 Answers

by حسام ناجى , testing and commissioning engineer II , SENDAN INTERNATIONAL COMPANY

For smaller movement of the stem, there is maximum flow rate.

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