PDS - Positive Displacement Single Seal

Description:: 

The Sepco® PDS mounts externally and is a single, cartridge mounted, rotary seal designed for positive displacement pumps where viscous, abrasive, and sticky products are encountered.

Aplications: 

Compact
The unit mounts externally and the short axial length makes it ideal for fitting equipment with limited first obstruction space.

Features: 

Metal Parts:

  • Standard metal parts and spring: 316 SS

Face Materials:

  • Standard: High quality chemical grade carbon-graphite and solid
  • nickel bound tungsten carbide
  • Optional: Silicon carbide and 17-4PH stainless steel

O-ring Materials:

  • Standard: Viton®, EPR and Aflas™
  • Optional: Perfluorinated Elastomers

Operating Capabilities:

  • Pressure: To 150 psig (10 bar g) with surges to 300 psig (21 bar g)
  • Temperature: -20° to 250°F (-29° to 121°C)
  • Speeds: 2600 fpm (13 m/s)