Washer with EPDM seal
Washers with EPDM seal are made of galvanized steel and have an EPDM coating. EPDM is a rubber that adheres to the washer, is highly resistant to atmospheric environments and seals the product.
Washer: Steel-Sheet EN 10142 Dx51 (1.0226)
Gasket: EPDM rubber EP74V
Board: 70-76º shore