NF EN ISO 5167-3 : 2003
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES INSERTED IN CIRCULAR CROSS-SECTION CONDUITS RUNNING FULL - PART 3: NOZZLES AND VENTURI NOZZLES
10-26-2021
01-12-2013
Avant-propos
Introduction
1 Domaine d'application
2 Références normatives
3 Termes, définitions et symboles
4 Principes de la méthode de mesurage et mode de calcul
5 Tuyères et Venturi-tuyères
5.1 Tuyère ISA
5.2 Tuyères à long rayon
5.3 Venturi-tuyères
6 Exigences d'installation
6.1 Généralités
6.2 Longueurs droites minimales d'amont et d'aval à
installer entre différents accessoires et l'élément
primaire
6.3 Conditionneurs d'écoulement
6.4 Circularité et cylindricité de la conduite
6.5 Emplacement de l'élément primaire et des bagues porteuses
6.6 Mode de fixation et joints
Annexe A (informative) Tableaux des coefficients de décharge
et des coefficients de détente
Bibliographie
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.