NEN EN ISO 10438-4:2004被替代
Petroleum, Petrochemical And Natural Gas Industries - Lubrication, Shaft-sealing And Control-oil Systems And Auxiliaries - Part 4: Self-acting Gas Seal Support Systems
出版：Nederlands Normalisatie Instituut
专家解读视频
Describes requirements for support systems for selfacting gas seals (dry gas seals) as described in ISO10439, for use in the petroleum, petrochemical and naturalgas industries as well as in other industries by agreement.
To be read in conjunction with ISO 10438-1.
(01/2004)
Draft issued in May 2006.
(05/2006)
ISO 10438-4:2007 - Identical
ONORM EN ISO 10438-4:2004 - Identical
SS EN ISO 10438-4 Ed. 1 (2004) - Identical
NS EN ISO 10438-4 Ed. 1 (2004) - Identical
UNI EN ISO 10438-4:2004 - Identical
I.S. EN ISO 10438-4:2004 - Identical
NBN EN ISO 10438-4:2004 - Identical
NF EN ISO 10438-4:2004 - Identical
DIN EN ISO 10438-4 (2005-07) - Identical
BS EN ISO 10438-4:2003 - Identical
