Product Name: Carbon Steel Swing Check Valve
Type: Swing Check Valve
Size: 12 Inch, DN300, 300 mm
Pressure Rating: Class 150 LB, PN20
Body Material: ASTM A216 WCB
Trim Material: API Trim 8#
Standard: API 598
End Connection: RF Flanged
Source: https://www.landee.cn/carbon-steel-swing-check-valve-a216-wcb-trim-8-12-in-rf.html