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The Safeseal Type SB2 is a dual-cartridge seal. Its double-balanced design ensures the reliability and longevity of the seal in the most demanding conditions. The Type SB2 seal is ideal for use with environmentally hazardous and abrasive fluids, most often used in pumps in pulp mills, minerals processing and other slurry duties up to 40 percent solids by weight and a solids hardness of 8 Mohs. The Type SB2 seal is widely used with other process equipment including agitators.
Several variant of the design available for different services:
Type SB2A — designed for ANSI standard dimensions
Type SB2A-PR — designed for ANSI standard dimensions, including integrated pumping device
Type SB2B — designed for big bore dimensions
Type SB2B-PR — designed for big bore back plate dimensions
Type SB2S — designed for special dimensions, including metric sizes
Type SB2S-PR — designed for special dimensions, including integrated pumping device
Crane Engineering recommends John Crane seals for many sealing applications throughout your facility. We've seen them be put to the test in harsh environments and difficult to seal applications, and succed. Their lines of single cartridge seals offer fast and easy installation for maintenance teams with little time for seal maintenance.