Product Name: Super Duplex Stainless Steel Gate Valve
Type: Gate Valve
Size: 4 Inch, DN100, 100 mm
Pressure Rating: Class 150 LB, PN20
Body Material: ASTM A890 4A
Trim Material: ASTM A890 4A
Stem Material: ASTM A182 F51
Standard: API 598
End Connection: Flanged Ends
Source: https://www.landee.cn/super-duplex-steel-gate-valve-a890-4a-4-in-cl150-flanged.html