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產品范圍:
>尺寸范圍: DN15~600mm
>壓力等級: PN10-PN100
>溫度范圍: -20℃~425℃
>連接方式:法蘭、焊接、螺紋?
>主體材質:碳鋼、不銹鋼等
>操作方式:手動、電動、氣動
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