The Safeseal Type SE2 is a customer-fitted (OEM standard) dual, balanced cartridge seal designed for the severe applications found in the pulp and paper industry and slurry applications. This seal is typically used in pumps for abrasive and environmentally hazardous liquids in cooking, evaporation and 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. The Type SE2-AP seal is especially designed for the Sulzer APP pump series.
Several variants of the design available for different services:
Type SE2C — dual, balanced cartridge seal for Sulzer Scanpump
Type SE2CF — dual, balanced cartridge seal with flush for Sulzer Scanpump
Type SE2-APR — with circulation device
Process pressure: 290 psi(g)/20 bar(g)
Seal water pressure: 215 psi(g)/15 bar(g)
Seal faces: SiC/SiC (product side), SiC/Carbon (atmosphere side)
O-rings: PTFE (product side), EPDM, Viton
Metals: AISI 329 (standard), titanium, UHB, super duplex
Springs: Nimonic steel
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