Elaflex seals. All seals are suitable for Elaflex adaptors type M, MX, MC, SMX, SMC, SMS and as seal for threads in TW-couplings. Materials: VD = Vulkollan (polyurethane). EPD = EPDM-rubber. HBD = Oilit. Seal in oilit, punchet from high pressure oilit plating. Heat and oilresistant. TD = Teflon. ViD = Viton.