Safematic John Crane SE2 Dual Mechanical Seal for Sulzer or Andritz paper and pulp machine

Oring pusher mechanical seal SE2 is a customer-fitted, dual, balanced cartridge seal designed for the severe applications found in the pulp and paper industry and slurry applications. 

This seal is widely used in pumps for causticizing facilities in pulp mills. It is designed as a dual-pressurized (double) seal,  but incorporates a patented double-balance feature which also allows it to be used as an unpressurized (tandem) dual seal arrangement. 

Structural Features: double end, multi springs, balanced, independent rotary direction, still structure, pin transmission. The still springs are suitable for high operating speed. The springs are separated from the sealed mediums so they will not be jammed. Piston design allows great axial shifting. The seal is separated assembled with easy installation and reliable performance.

Industrial Standards: Specific Customization.

Scopes of Application: mainly used in paper-making equipment, slurry pumps, pressure screens. flue gas desulphurization for chemical engineering, power plants, mining, oil refining, alumina plants, food processing, phamarcy, and paper making. This seal works as an alternative to similar products of Sulzer, working as Safematic replacement seals.

China Lepuseal, focus on mechanical seal since 1998, now is one of the leading mechanical seal manufacturer in China.

for paper or pulp cartridge design mechanical seal, lepuseal is one of the specialist for this kind of cartridge seal, include john crane SE1, SE2,  john crane JCS1, JCS2,  john crane SB1, SB2,   and burgmann SAF series,  burgmann LP-D series.

one of the chinese biggest paper making company use our seal and service, that company is Guangzhou paper industry group.  they have more than 10000 workers, and in 2022,  the sales value of Guangzhou paper is more than 100 billion USD.  and they use our seals since 2006, and we get good comment from them, now is one of the gold supplier for mechanical seal