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STAS 4631-90
Cast iron industrial valves. Swing check valves NP 6 and NP 10. Main dimensions
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Status :
Withdrawn
Approval date : 1/1/1990
Publish date : 6/1/1990
Withdrawal date : 6/30/2009
Number of pages : 4
ICS : 23.060.01 Valves in general
Technical Committee : 89 - Industrial valves
- Replaces STAS 4631-86
- Normative reference STAS 2250-73
- Normative reference STAS 1702-90
- Normative reference STAS 2099-89
- Normative reference STAS 7076-88
- Normative reference STAS 11750-88
- Replaced by SR EN 12334:2004