Seal Type 74 Mechanical Seal are Externally Mounted Reverse Balanced Design Seal having ‘O’ Ring as a Secondary Sealing member. Secondary Sealing member can be changed as per Chemical Compatibility. All metal components including springs are Isolated from the Sealed, Aggressive Medium. Simple checkout method function and cleaning possibility as this Mechanical Seal located easily access outside the pump. Especially design Clamp Ring eliminate Slipping on Shaft.