As standard, we use high-quality stainless steels such as 1.4404 / 316L or 1.4435. For aggressive media or WFI, we also offer high-alloy variants such as 1.4539, 1.4529 or 2.4602 (Hastelloy). Depending on the application, our seals are available in EPDM, silicone, Viton or PTFE – all certified according to FDA and USP Class VI.