DIN EN ISO 10438-4 (2005-07)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 (ISO 10438-4:2003); English version EN ISO 10438-4:2003
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Defines requirements for support systems for self-acting gas seals (dry gas seals), for example as described in ISO 10439 and ISO 10440-1.
ISO 10438-4:2007 - Identical
I.S. EN ISO 10438-4:2004 - Identical
NBN EN ISO 10438-4:2004 - Identical
NF EN ISO 10438-4:2004 - Identical
BS EN ISO 10438-4:2003 - Identical
UNI EN ISO 10438-4:2004 - Identical
NS EN ISO 10438-4 Ed. 1 (2004) - Identical
SS EN ISO 10438-4 Ed. 1 (2004) - Identical
NEN EN ISO 10438-4:2004 - Identical
ONORM EN ISO 10438-4:2004 - Identical
