| Compact Cartridge Unbalanced Seal, Single Acting, Independent of Direction of Rotation | |
| Seal series 80U/CG & 85U/CG | |
| Standard Style Face Materials Rotary:- Carbon, Silicone Carbide, Tungsten Carbide, Ceramic (99.5%) Stationary:- Silicone Carbide, Tungsten Carbide, Cast chrome steel, Ceramic (99.5%) Metal Parts AISI 316 Hastelloy-C Alloy-20, Monel Secondary Seals  Elastomers, PTFE Applications Petrochemicals Petroleum refinery Chemical Process Pumps Light hydrocarbons Seal Characteristics Single acting Inside mounted Independent of direction of rotation Unbalanced Cartridge unit | |
| Operating Limits | ||
| Shaft Diameter | d1 | : 20…95 mm |
| Pressure p | p | : 10 bar |
| Temperature | t | : -20 … +180 o C |
| Velocity | v | : 20 m/s. |
Series 80U/CG & 85U/CG are cartridge multiple spring-unbalance seal with O-Ring as secondary sealing member in series 80U/CG & wedge as a sealing member in 85U/CG. Various face material & elastomers can be offer for wide service application. The compact cartridge design of seal permits their use in all types of centrifugal pump. As all parts are interchangeable, one can convert series 80U/CG to series 85U/CG by changing only seal ring, secondary packing and mating ring packing. This concept is ideal for stock rationalisation.
