Product Name: ASTM A182 F304 Grooved Flange
Type: Grooved Flange
Standard: ASME B16.5
Material: ASTM A182 F304
Size: DN150, 150 mm, 6 Inch
Pressure Class: Class 150 LB, PN20
Source: https://www.landee.cn/astm-a182-f304-grooved-flange-asme-b16-5-6-inch-cl150-lb.html