- pressure-relief drain
-
дренаж в теле плотины (для снижения фильтрационного давления); разгрузочная дрена
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Reduced pressure zone device — A Reduced Pressure Zone Device (RPZD, RPZ or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. An RPZD is considered suitable for high hazard applications, that is, where the consequence of… … Wikipedia
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