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ANNEX 2: Recommended installation / Installation recommandée / Installations Empfehlung /
Raccomandazioni di installazione / Instalación recomendada / Installatie voorschrift / Önerilen Kurulum
/ Recomendações de instalação
Low level perturbation installation
- ≥ 2 DN straight inlet upstream the meter
- No restriction downstream the meter
Bends in different planes Divergent or convergent Regulator equipped with built-in
silencer
High level perturbation installation
Example: After a regulator without built-in silencer
DN50-DN150
- ≥ 2 DN straight inlet upstream of the meter
- No restriction downstream of the meter
DN200-DN500
- ≥ 2 DN straight inlet upstream of the meter + an integrated flow conditioner
- or ≥ 2 DN straight inlet upstream of the meter + a external flow conditioner
- or ≥ 9 DN straight inlet upstream of the meter (PTB G13)
- No restriction downstream of the meter
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