Metal Parts: 316 Stainless Steel
Stationary Face: Silicon Carbide, Graphite, «Tungsten Carbide»
Elastomer: NBR (Nitrile), FKM (Viton®), CR (Neoprene®), E.P.R (EPDM), Kalrez/Perlast (FFKM), Aflas (TFE/P) and Silicone (VMQ)
Rotary Face: Graphite, Silicon Carbide
Spring: Hastelloy «C»
