O rings, V rings, oil seals, U seals, wiper seals, chevron packings V-rings ā various sizes in E, L, S, A sections of forsheda āVā rings for high speed sealing made of NBR & viton rubber O-rings & quad rings ā in silicon, viton, neoprene & NBR rubber in various sizes for perfect sealing. We have successfully developed a number of standard metric sizes for various shaft diameters of endless or split Walkerseles in M1 material and D6 design.