Espey WKA7000 pages

Carbon Floating Ring Seals
Shaft Seals
Espey WKA700
Features
Chamber seal (modular design – can be
combined in any order), optional with housing
and lid for screw compressors with one-part and
horizontally split housing.
Advantages
High reliability
Long-term operation time
Maintainability
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
Item Description
1.1
1.3
2
2.1
3
3.1
Seal ring
Pressure spring
Chamber
Chamber with O-Ring
Barrier gas chamber
Barrier gas chamber with ORings
4 Lantern chamber
4.1 Lantern chamber with O-Ring
5.1 Lantern breit
6 End ring
7 Flat seal
8* 8* Housing
9* 9* Lid
10* 10* O-Ring Housing
Variable
for width
A
A
B
B
C
C
F
G
H
* On request
18.09.2012 (c) EagleBurgmann
EagleBurgmann Germany
GmbH & Co. KG
Äußere Sauerlacher Straße 6-10
82515 Wolfratshausen /Germany
Phone +49 (8171) 23-0
Fax +49 (8171) 23-1214
info@eagleburgmann.com
www.eagleburgmann.com
All technical specifications are based on extensive tests and our many years of
experience. The diversity of possible applications means, however, that they can serve
only as guide values. We must be notified of the exact conditions of application
before we can provide any guarantee for a specific case. Subject to change.