Product Details : Large bore V Seals. In Nitrile, Viton® fluoroelastomer, Silicone and Fluorosilicone (VMQ) and EPDM to name a few. aliment grade, FDA and NSF acclimatized abstracts are aswell available. V-seals supplied by Colonial allowance Co. arise in four acclimatized profiles. VA, VE, VL and VS