Product Name: Rubber Expansion Joints
Ball Material: EPDM Rubber
Flange Material: Carbon Steel, Galvanized
Size: DN150, 6 Inch
Pressure Rating: Class 150 LB
Length: 180 mm
Packaging: Wooden Box
Source: https://www.landee.cn/rubber-expansion-joints-epdm-dn150-6-inch-cl150-flanged.html