Product Name: API 6D Swing Check Valve
Type: Swing Check Valve
Standard: API 6D
Body Material: ASTM A216 WCB
Trim Material: 13% Cr, 13Cr
Size: 6 Inch, DN150, 150 mm
Pressure Rating: Class 150 LB, PN20
End Connection: Flanged
Source: https://www.landee.cn/api-6d-swing-check-valve-a216-wcb-13cr-trim-6-in-flanged.html