Product Item: Carbon Steel Basket Strainer
Size: 4 Inch, DN100
Pressure Rating: Class 150 LB
Body Material: ASTM A216 WCB (Carbon Steel)
Screen Material: SS 316
Connection Ends: RF Flanged
Surface Treatment: Yellow Epoxy Painting
Source: https://www.landee.cn/carbon-steel-basket-strainer-astm-a216-wcb-4-in-cl150-rf.html