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DGS

Categories: Compressor seals, Mechanical Seal Tags: Allowable temperature, API 617 standard, Gas lubricated seals, Leakage rate, Sealing technology, Solution for leakage
  • Description
  • Additional information
  • Reviews (0)

Description

Features
– Gas-lubricated
– Uni-directional or bi-directional
– Ready-to-fit cartridge unit Single, double, tandem and tandem with intermediate labyrinth available
– Separation seals as labyrinths, carbon rings or Coba Seal are optionally available

Advantages
– Wear-free and contact-free operation
– Self-cleaning 3D gas grooves
– High gas film stiffness
– Secure cupped retainer for seat Available in various materials for optimized chemical resistance
– Proven, reliable and economical solution

Operating range
Shaft diameter:
ds1 = 29 … 410 mm (1.14″ … 16.14″)
Pressure:
p = 0 … 160 bar (2,320 PSI)
Design temperature:
t = -46 °C … +230 °C
(-51 °F … +446 °F)
Sliding velocity:
vg = up to 227 m/s (744 ft/s)

Standards and approvals
– NACE
– API617

Recommended applications
– Oil and gas industry
– Refining technology
– Petrochemical industry
– Hydrocarbon gas
– Ammonia
– Nitrogen
– Air
– Centrifugal compressors
– Turbo expanders
– Blowers

Additional information

Seal face

Silicon carbide with DLC coating, Carbon graphite

Seat

Silicon carbide with DLC coating

Secondary seals

FKM

Metal parts

1.4006 or other stainless steels

Other materials on request

Available also with EagleBurgmann DiamondFace technology

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