Attributes . End configurations: female NPT, #150 flange, TTMA flange, grooved, weld end and many other variation; Seal options: Buna, FKM, PTFE, EPDM, FDA Buna, FFK; Ball bearing materials: carbon steel, 440 stainless steel and 316 stainless stee; Grease materials: Lithium, FDA approved/food grade and silicone; Swivels that include oxygen, steam or submerged service can be specifically designed for unique applications (special order); 100% full penetration welding available . Names