Plan 23 Single Stationary Seal

The SMSS23™ is a single cartridge mechanical seal that incorporates a pumping ring which has been specifically designed to idealize the conditions at the seal aces. It is best suited for hot process applications.

  • Extremely effective Plan 23 with bi-directional integral pumping ring
  • Ideal for boiler feed and boiler circulation duties
  • Integral inboard restriction bush configuration, adapted to suit the equipment
  • Total solution available including heat exchanger
  • Hydraulically balanced seal face technology for reduced power consumption
  • Non-shaft-fretting sleeve elastomer and positive set screw drive
  • Multiple spring seal-face loading
  • Stationary design suitable for high speed applications

Suitable for the following industries

ATEX Certified

ATEX Certified

ATEX Category 2 (Zone 1/21)
Category 3 (Zone 2/22)

Suitable for the following API Plans