Slurry Products / Mechanical Seals / Cartridge Seals / Slurry Single and double slurry cartridge seals Product ID Product Description Specifications Download S136 S136 SPSS (Slurry Plate Spring Seal) Plate spring with protected o-ring single seal SPSS S212 / S212H Double cartridge seal, reverse pressure balanced with narrow faces S212 / S212H SMSS (Slurry Multiple Spring Seal) Typical dynamic o-ring single cartridge seal SMSS SCSS (Slurry Cone Spring Seal) Rubberized disc spring, rotary design single seal SCSS