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Jy41w stainless hlau oxygen nres valve
Jy41w stainless hlau oxygen nres valve cov ntsiab lus Engineering txoj kab uas hla: DN 15 ~ DN 500 Nominal siab: PN16 ~ 40 Ua haujlwm kub: - 20 ℃ ~ 150 ℃ Cov xov xwm siv tau: oxygen, nitrogen, hydrogen thiab cua tsim qauv GB / T12235, GB / T12233, GB / T2492, JB / T450, ASME B16.34, API 602, BS 1873, DIN 3356