Standard Lip Seal Standard Materials: 75 Duro NBR (Nitrile, Buna N) 80 Duro FKM (Fluorocarbon) Additional materials may be available. Contact VanSeal for details. Pressures to 25 psi Standard Lip Seal with Excluder Standard Materials: 75 Duro NBR (Nitrile, Buna N) 80 Duro FKM (Fluorocarbon) Additional materials may be available. Contact VanSeal for details. Pressures to 25 psi Standard Lip Seals with Rubber O.D. Standard Materials: 75 Duro NBR (Nitrile, Buna N) 80 Duro FKM (Fluorocarbon) Additional materials may be available. Contact VanSeal for details. Pressures to 25 psi Standard Lip Seals with Excluder and Rubber O.D. Standard Materials: 75 Duro NBR (Nitrile, Buna N) 80 Duro FKM (Fluorocarbon) Additional materials may be available. Contact VanSeal for details. Pressures to 25 psi Intermediate Pressure Lip Seals with Rubber O.D. Standard Materials: 75 Duro NBR (Nitrile, Buna N) 80 Duro FKM (Fluorocarbon) Additional materials may be available. Contact VanSeal for details. Pressures to 100 psi Intermediate Pressure Lip Seals with Excluder and Rubber O.D. Standard Materials: 75 Duro NBR (Nitrile, Buna N) 80 Duro FKM (Fluorocarbon) Additional materials may be available. Contact VanSeal for details. Pressures to 100 psi High Pressure Lip Seals Standard Materials: 75 Duro NBR (Nitrile, Buna N) 80 Duro FKM (Fluorocarbon) Additional materials may be available. Contact VanSeal for details. Pressures to 250 psi Double Lip Seals Standard Materials: 75 Duro NBR (Nitrile, Buna N) 80 Duro FKM (Fluorocarbon) Additional materials may be available. Contact VanSeal for details. Pressures to 25 psi