NEN ISO 21049 : 2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PUMPS - SHAFT SEALING SYSTEMS FOR CENTRIFUGAL AND ROTARY PUMPS
01-01-2005
12-01-2013
Defines requirements and provides recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum, natural gas and chemical industries.
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