Resumen
The preferred method is to extract fluid samples from a main flowline in such a manner that the particulate contaminant in the sample is representative of the fluid flowing at the point of sampling. An alternative method is to extract a sample from the reservoir, but this method should only be used if a suitable sampler is not fitted.
Informaciones generales
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Estado: PublicadoFecha de publicación: 1992-11Etapa: Norma Internacional para revisar [90.92]
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Edición: 2Número de páginas: 6
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Comité Técnico :ISO/TC 131/SC 6ICS :23.100.60
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Ciclo de vida
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Anteriormente
RetiradaISO 4021:1977
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Ahora
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Será reemplazada por
En desarrolloISO/WD 4021.2