公称通径
DN(mm)
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管子外径
OD（mm）
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HB-K21
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DN25×12×25×12
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28×15×28×15
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HB-K21001
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DN25×15×25×15
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28×18×28×18
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HB-K21002
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DN32×12×32×12
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35×15×35×15
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HB-K21003
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DN32×20×32×20
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35×22×35×22
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HB-K21004
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DN40×12×40×12
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42×15×42×15
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HB-K21005
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DN40×15×40×15
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42×18×42×18
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HB-K21006
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DN40×20×40×20
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42×22×42×22
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HB-K21007
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DN50×12×50×12
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54×15×54×15
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HB-K21008
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DN50×15×50×15
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54×18×54×18
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HB-K21009
|
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DN50×20×50×20
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54×22×54×22
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HB-K21010
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HB-K21011
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