Single spring mechanical seals in rsso and rssw series are supplied by reliable industries, mumbai. The design involves less number of parts, which makes it simple for assembly and installation. The stiffness of all components makes the single spring mechanical seals suitable for harsh environments. These seals are suitable for highly abrasive services where particle/solid formation or accumulation is possible. Applications of these single spring mechanical seals: water pump, sewage pump and chemical pump with slurries, etc.