DSNM & FI-DSNM

Non-Metalic Mechanical Seals

The DSNMâ„¢ is designed to suit the Flowserve Polychem 'S' Series non-metalic process pump.

Features:

  • Non-metallic wetted components in Silicon Carbide for use with corrosive chemicals
  • Non-Shaft-fretting design to reduce cost in equipment overhaul
  • Cartridge design for ease of installation
  • Hydraulically balanced seal faces
  • FI-DSNM Incorporates pumping ring to maximize cooling and increase seal life with a directed barrier fluid flow path to both sets of seal faces