Product Name: Flanged Expansion Joints
Type: Expansion Joint, End Face Fully Sealed
Ball Material: EPDM Rubber
Flange Material: Carbon Steel (Zinc Coated)
Size: DN500, 20 Inches
Pressure Rating: PN25, Class 300 LB
Length: 255 mm
Source: https://www.landeepipefitting.com/flanged-expansion-joints-epdm-rubber-20-in-cl300-255-mm.html