ASTM A216 WCB Y Strainer, 3 Inch, Class 150 LB.
Product Item: Y Strainer, Filter, for Water Treatment
Size: 3 Inches, DN80
Pressure: Class 150 LB, PN20
Material: ASTM A216 WCB
Ends: RF
Surface: Silver Painting
Source: https://www.landeevalve.com/carbon-steel-astm-a216-wcb-y-strainer-3-in-cl-150-lb-rf.html