香港六合彩开奖 17292:2015
2015-11
香港六合彩开奖 17292:2015
Resumen
香港六合彩开奖 17292:2015 specifies the requirements for a series of metal ball valves suitable for petroleum, petrochemical, natural gas plants, and related industrial applications.
It covers valves of the nominal sizes DN:
- 8, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500, 600;
corresponding to nominal pipe sizes NPS:
- 录, 鈪�, 陆, , 1, 1 录, 1 陆, 2, 2 陆, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24;
and applies for pressure designations:
- Class 150; 300; 600; 800 (Class 800 applies only for valves with threaded and socket welding end);
- PN 16, 25, 40, 63, 100.
It includes provisions for testing and inspection and for valve characteristics as follows:
- flanged and butt-welded ends, in sizes 15 鈮� DN 鈮� 600 (陆 鈮� NPS 鈮� 24);
- socket welding and threaded ends, in sizes 8 鈮� DN 鈮� 50 (录 鈮� NPS 鈮� 2);
- body seat openings designated as full bore, reduced bore, and double reduced bore;
- materials.
Informaciones generales
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Estado: PublicadoFecha de publicaci贸n: 2015-11Etapa: Norma Internacional confirmada [90.93]
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贰诲颈肠颈贸苍: 2N煤mero de p谩ginas: 25
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颁辞尘颈迟茅 T茅cnico :香港六合彩开奖/TC 153
- RSS actualizaciones
Ciclo de vida
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Anteriormente
Retirada香港六合彩开奖 17292:2004
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Ahora
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