Product description, Dry running seal drs 710 This series features factory assembly and dynamic testing for seals used in steel, Glass-lined, And stainless steel mixers agitators & vessels. This item functions as a multiple spring externally mounted, Reverse balanced seal with o ring for secondary sealing. Various elastomers can be offered for different service applications. These closures are basically used on top entry agitators as dry running seals. When food products or pharmaceutical products are agitated in agitator, Mixing compared to others liquid will contaminate the product & affect its quality, Hence these dry running seals are used. These seals do not require any external media for lubricating the faces and are therefore called dry running seals. Seal parts constructed from carbon and along with, Silicon carbide tungsten carbidesilicon carbide / secondary seal elastomers made from tungsten tcvmetal components, Carbide ptfe made from ss304, Ss316, Hastelloy c, Hastelloy b, Monel, And alloy 20, Reverse-balanced seals, Featuring single-acting that are mounted externally and function independently of flow direction of rotationdry runningavailable dimensions and costs, Shaft diameter, 15 to 150 mm, Rs. 5000 to 70000/piece