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Jy41w uamea uamea okesene taofi valve
Jy41w uamea uamea okesene taofi valve auiliiliga Inisinia lautele: DN 15 ~ DN 500 Nominal mamafa: PN16 ~ 40 Galulue vevela: - 20 ℃ ~ 150 ℃ Faasalalauga talafeagai: okesene, nitrogen, hydrogen ma ea Design taiala GB/T12235、GB/T12233、 GB/T2492, JB/T450, ASME B16.34, API 602, BS 1873, DIN 3356