Flow preparation devices (FPD) are designed to stabilise the flow of the measured medium upstream of the narrowing device (SD) by reducing or completely eliminating swirls (and complete or partial elimination of axisymmetric and asymmetric deformations of the velocity diagram) in order to meet the requirements of GOST 8.586.(1-5)-2005 and other standards for measuring sections of the pipeline (IT) when installing the SD. The use of PFP allows to reduce the length of the pipeline measuring sections upstream of the flow transmitter.
The Zanker type disc SCP consists of a perforated plate with holes (32 drilled holes arranged in a symmetrical circular pattern).
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