Product Item: Stainless Steel Weld Neck Flange
Standard: EN 1092-1
Material: ASTM A182 F304L
Size: 20 Inch, DN500
Pressure Rating: Class 150 LB, PN16
Schedule: SCH 40
Source: https://www.landee.cn/en-1092-1-weld-neck-flange-a182-f304l-dn500-pn16-sch-40.html