Single Helical Coil Spring Bi-Directional Seal is developed for dirty media and clogging type applications. The Bi-Directional Seal is made using quality grade material which ensures optimum durability along with long lasting trouble free service. The Bi-Directional Seal is application specific design and accurate in dimension. Single Helical Coil Spring Bi-Directional Seal is corrosion and temperature resistant in nature.