Sigma seals manufactures double cartridge seals for agitators, screens and pumps. These are available in three types: type c70, d70 and s70. Features of the double cartridge seals: narrow cross-sectional compact double cartridge mechanical seals suitable for ansi standard as well as big bore pumps; the seal faces are hydraulically balanced to take high pressures; isolated springs design prevents clogging and corrosion; and drive to the seal faces is through robust drive lugs/pins. These seals cover a wide range of applications in agitators, pumps and screens. These unique features make them suitable for extreme operating conditions. Technical specifications and operating conditions of the double cartridge seals from sigma seals: these seals can replace type p-200 and type 88 seals. Pressure up to 25 kg/cm2, temperature up to 250ºc, velocity up to 25 m/s; seal faces - sic/sic, carbon/sic; and elastomers - viton, epdm and chemraz.
