Product Item: ASTM A105 WN Flanges
Type: Weld Neck Flange
Material: ASTM A105
Standard: ASME B16.5
Size: 6 Inch
Pressure: Class 300 LB
WT: SCH 40
Facing: RF
Surface Treatment: Black Painting
Source: https://www.landee.cn/astm-a105-wn-flanges-asme-b16-5-6-inch-300-lb-sch-40-rf.html
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