| HG20593-97 PN0.6MPa(6bar)板式平焊钢制管法兰(PL) |
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| HG20593-97 PN1.0MPa(10bar)板式平焊钢制管法兰(PL) |
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| HG20593-97 PN1.6MPa(16bar)板式平焊钢制管法兰(PL) |
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| HG20594-97 PN1.0MPa(10bar)带颈平焊钢制管法兰(SO) |
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| HG20594-97 PN1.6MPa(16bar)带颈平焊钢制管法兰(SO) |
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| HG20594-97 PN2.5MPa(25bar)带颈平焊钢制管法兰(SO) |
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| HG20594-97 PN4.0MPa(40bar)带颈平焊钢制管法兰(SO) |
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| HG20595-97 PN4.0MPa(40bar)带颈对焊钢制管法兰(WN) |
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| HG20595-97 PN6.3MPa(63bar)带颈对焊钢制管法兰(WN) |
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| HG20595-97 PN10.0MPa(100bar)带颈对焊钢制管法兰(WN) |
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| HG20601-97 PN1.0MPa(10bar)钢制管法兰盖(BL) |
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| HG20601-97 PN1.6MPa(16bar)钢制管法兰盖(BL) |
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| HG20601-97 PN2.5MPa(25bar)钢制管法兰盖(BL) |
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| HG20601-97 PN4.0MPa(40bar)钢制管法兰盖(BL) |
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| HG20601-97 PN6.3MPa(63bar)钢制管法兰盖(BL) |
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| HG20601-97 PN10.0MPa(100bar)钢制管法兰盖(BL) |
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