Bürkert 677664 is a packed DN15 EPDM diaphragm (membrane) for SV02 2/2-way diaphragm valves. It uses EPDM (food-quality) sealing material and features a 15 mm (9/16 in) orifice. This article number was published as the "Diaphr. packed DN15 EPDM (AB) until 06/15" version and is now discontinued, with a revised successor, 693163, recommended for future sourcing. The 677664 designation appears in Bürkert’s spare-parts catalogs as the DN15 EPDM packing diaphragm.
