Attributes . Contact Anderson Process for all available option adders; Standard seal options include: FKM, EPDM, Steam-EP, FDA FKM, Mil-Nitrile, Fuel Nitrile, PTFE and Silicone; Kalrez? seal options include: 4079, 6375 and 7075; Valve options include: Unvalved, actuator, steel, brass, 303 stainless steel and 316 stainless steel . Names