Product Name: ASTM A182 F55 WN Flange
Type: Weld Neck (WN) Flange
Standard: ASME B16.5
Material: ASTM A182 F55
Size: DN15
Pressure Rating: Class 600 LB
Wall Thickness: SCH 80
Facing: Raised Face
Source: https://www.landee.cn/astm-a182-f55-wn-flange-asme-b16-5-dn15-cl600-sch-80-rf.html