美标带颈对焊法兰
AMERICAN STANDARD WITH NECK BUTT
WELD ENDS FLANGES
AMERICAN STANDARD WITH NECK BUTT
WELD ENDS FLANGES
 |  | 公称通径Nominal Diameter: 10~2000mm 公称压力Nominal Pressure: 10~2500Lb 产品材质Product material: 304、304L、321、316、316L、碳钢、高温钢 Needle type valve series |
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