????? ????
1?? ?? ??? ??, CL1500, ?? ?? ??, ?? ??, NPT
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?? ?? ??? ??, ?? ??, ????
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??? 600 ?? ?? ??? ??, API 598, 2??, ???
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- ?? ??:
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A105N ?? ?? ??? ??, 2IN, CL800, NPT ???
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- ?? ??:
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F304 ?? ??? ??? ?? ASME B16.34 1/2IN CL900 ??
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