Product Item: ASTM A890 4A Gate Valves, Super Duplex Stainless Steel
Size: 4 Inches
Class: Class 150 LB
Material:
Body: ASTM A890 4A
Disc: ASTM A890 4A
Stem: ASTM A182 F51
Test & Inspection Standard: API 598
Ends: RF Flanged
Packaging: Wooden Case
Landee Brand
Source: https://www.landeevalve.com/duplex-stainless-steel-gate-valve-a890-4a-4-in-150-lb-rf.html