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This standard specifies a method for determining the pressure loss and fluid flow rate through valves in piping systems using water as a test fluid. This method is suitable: - for valves with low Zeta values but higher than 0,1 by determining pressure loss, with respect to fluid flow rate and density;- and to valves with equal inlet and outlet nominal sizes.
||Afsluiters - Beproeving van de stromingsweerstand
||Valves - Test of flow resistance