Espey WKA700

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Espey WKA700

Espey WKA700
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Item Description Variable
for width
1.1 Seal ring
1.3 Pressure 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
5.1 Lantern breit F
6 End ring G
7 Flat seal H
8* 8* Housing
9* 9* Lid
10* 10* O-Ring Housing

* On request

Espey WKA700

Features

  • Chamber seal (modular design - can be combined in any order), optinal with housing and lid for screw compressors with one-part and horizontally split housing
  • Very small operation gap – low leakage
  • Dry running
  • 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
  • One-piece seal ring with titanium bandage
  • Both side balanced seal ring inside chamber for short-term backpressure operation
  • Seal ring axially spring-loaded – no swinging up at pressure-less machine operation

Advantages

  • High reliability
  • Long-term operation time
  • Maintainability

Operating range

Shaft diameter:
d = 50 ... 340 mm (1.79" ... 13.39")
Operating pressure:
p = vacuum ... 65 bar (942.75 PSI) abs.
Operating temperature:
t = –120 °C ... +225 °C (–184 °F ... +437 °F)
Sliding velocity: vg = max. 240 m/s (787 ft/s) Radial play: 1.0 mm (0.04")
Axial movement: theoretically unlimited Recommended wear guard: >58 HRC

Materials

Seal ring: Carbon with titanium bandage
Chamber and housing parts: 1.4021, 1.4571, 1.4313
Hastelloy®, Titanium, Inconel®, others
Secondardy seal (elastomer): Fluorocarbon rubber
(Viton®), Nitrile-butadiene-rubber (Perbunan®),
Perfluorocarbon rubber (Kalrez®)
Secondary seal (gasket): Statotherm-HT/HD, KSiL C 4400

Standards and approvals

  • FDA

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The Eagleburgmann Group

Sealing technology for plants and machines

EagleBurgmann is one of the worldwide leading providers of industrial sealing technology. Mechanical seals, seal supply systems, magnetic couplings, carbon floating ring seals, expansion joints, gaskets and packings as well as comprehensive services are used wherever reliability and safety are needed.

Mechanical seals and more

Sealing technology by EagleBurgmann is used worldwide in oil and gas industries, refineries, the petrochemical, chemical, and pharmaceutical industries, food processing, energy, water, mining, paper, aerospace, and other industries. Close to 5,800 employees provide their ideas, solutions, and commitment so that customers can rely on our sealing technology.

What makes us stand out is our excellent quality, great innovative capacity, and an extensive product portfolio for nearly all industrial processes and fields of application. Our product portfolio includes everything from mechanical seals and seal supply systems to magnetic couplings, carbon floating ring seals, expansion joints, and gaskets and packings as well as comprehensive services. Since we are part of the German Freudenberg and Japanese EKK group, we have all the necessary resources for a firmly based reliable partnership.

EagleBurgmann WORLDWIDE