Espey WKA400HD

Espey WKA400HD For a larger view, please mouseover the image.
For a larger view, please mouseover the image.
Item Description Variable
for width
1.1 Seal ring
1.2 Tension spring
2 Chamber A
2.1 Chamber
with O-ring
A
3 Barrier gas chamber B
3.1 Barrier gas chamber
with O-rings
B
4 Lantern chamber C
4.1 Lantern chamber
with O-Ring
C
5 Lantern thin E
5.1 Lantern wide F
6 End ring G
7 Flat seal H
8* Housing
9* Lid
11* Flat seal housing


*On request
For a larger view, please mouseover the image.
  • Chamber seal (modular design – can be combined in any order), optional with housing and lid
  • Multi-part seal rings, radially cut
  • Very small operation gap - low leakage
  • Dry running
  • Self-adjusting seal rings
  • Seal rings bear radial shaft movements
  • Compensates axial shaft movements
  • No sealing components mounted on the shaft and hence no additional shaft vibrations
  • Seal rings running contact-free - sliding faces and machine consume no additional power
  • Balanced seal ring inside chamber
  • High reliability
  • Long-term operation time
  • Maintainability
  • Segmented seal rings for easy replacement
Shaft diameter:
d = 20 ... 340 mm (0.79" … 13.39")
Operating pressure:
p = vacuum ... 75 bar (1,088 PSI) abs.
Operating temperature: t = -120 °C ... +500 °C (-184 °F … +932 °F)
Sliding velocity:
vg = max. 240 m/s (787 ft/s)
Radial play: ±1.0 … 2.0 mm (±0.04" … 0.08")
Axial movement: theoretically unlimited
Recommended wear guard: >58 HRC
Seal ring: Carbon
Chamber and housing parts: 1.4021, 1.4571, Hastelloy®, Titan, Inconel®, others
Tension spring: 1.4571, Hastelloy®, Titan, Inconel®
Secondardy seal (elastomer): Fluorocarbon rubber (Viton®), Nitrile-butadiene-rubber (Perbunan®), Perfluorocarbon rubber (Kalrez®)
Secondary seal (flat gasket): Statotherm®-HT/HD, KSiL C 4400
  • Oil and gas industry
  • Refining technology
  • Chemical industry
  • Petrochemical industry
  • Pulp and paper industry
  • Metal production and processing
  • Power plant technology
  • Gases
  • Fumes and exhaust, solids containing, flammable (Atex), acid containing and toxic gases
  • (Solids containing) steams / liquid mist
  • Oil mist / penetrating oil
  • Water
  • Integral-gear compressors (one or multi-stage)
  • Screw and chiller compressors
  • Steam turbines
  • Air regulating devices