China ASME SA182 F51 SO Flange Producer Duwa Piping Offers Super Duplex Steel ASME A182 F51 Flange, DN500, CL150, RF，ASME B16.5.
Type: SO Flange.
Materials: SA 182 F51.
Pressure: CL150.
Size: DN500.
End: RF.
100% PT for each flange.
5-7 days delivery.
