Manufacturer: Eagle Industry Co., Ltd.
Model: PDGS

Features

• Gas-lubricated
• Uni-directional or bi-directional
• Elastomer-free
• Ready-to-fit cartridge unit
• Single, double, tandem seal and tandem with intermediate labyrinth available

Specification

Standards and approvals

• NACE

Materials

• Seal face: Silicon carbide (Q1) with DLC coating
  Seat: Silicon carbide (Q1) with DLC coating
  Available with EagleBurgmann DiamondFace coating.
  Secondary seals: Polymer rings
  Metal parts: 1.4006 or other stainless steels

Operating range

• Pressure: p = 0 … 450 bar (0 … 6,525 PSI)
  Temperature: t = -170 °C … +230 °C (-274 °F … +446 °F)
  Sliding velocity: vg = 0.6 … 200 m/s (2 … 656 ft/s)

Recommended applications

• Oil and gas industry
  Refining technology
  Petrochemical industry
  Hydrocarbon gas
  Ammonia
  Nitrogen
  Refrigerants
  Air
  Centrifugal compressors
  Turbo expanders
  Blowers