Carbon floating ring seals

Espey WKA3 Espey WKA3
  • Cartridge seal
  • Standardized dimensions
  • Short axial installation length (8.4 mm)
  • Dry running
  • Seal ring bears 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 (initial delivery)
Espey WDB200 Espey WDB200
  • Torque transmission depending on application with set screw or as shrink fit
  • Metallic coating (FMP 84) basically for applications without high oxidation
  • Ceramic coating (EMP 98) basically for applications with high oxidation
  • Design one- or two-piece
Espey WD100 Espey WD100
  • Split housing design
  • 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
Espey WD200 Espey WD200
  • Split housing design
  • 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
Espey WDK-BHS Espey WDK-BHS
  • Multi-part seal rings, radially cut
  • Split housing design
  • Short axial installation length (max. 36 mm)
  • Very small operation gap
  • Dry running
  • Self-adjusting seal rings
  • Seal rings bear radial shaft movements
  • Compensates axial shaft movements
  • Seals on both sides of the shaft
  • Resistant to sea water
  • 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
Espey WDKS-Eco Espey WDKS-Eco
  • Multi-part seal rings, radially cut
  • Split housing design
  • 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
Espey WD500 Espey WD500
  • Multi-part seal rings, overlapped mortised with gas tight Joints (adjusting)
  • Split housing design
  • Lowest possible operation gap - lowest leakage
  • Dry-running
  • Self-adjusting seal rings
  • Seal rings bear radial shaft movements
  • Compensates axial shaft movements
  • Short axial installation length
  • No sealing components mounted on the shaft and hence no additional shaft vibrations
Espey WD200/500 Espey WD200/500
  • Multi-part seal rings, radially cut on process side, overlapped mortised with gas tight joints on atmosphere side (adjusting)
  • Split housing design
  • Lowest possible operation gap - lowest leakage
  • Dry running
  • Self-adjusting seal rings
  • Seal rings bear radial shaft movements
  • Compensates axial shaft movements
  • Short axial installation length
  • No sealing components mounted on the shaft and hence no additional shaft vibrations
Espey WDMS500 Espey WDMS500
  • Multipart seal rings, overlapped mortized with gas-tight joints
  • Split housing design
  • Lowest possible operation gap - lowest leakage
  • Dry running
  • Self-adjusting seal rings
  • Seal rings bear radial shaft movemnts
  • Compensates axial shaft movements
  • No sealing components mounted on the shaft and hence no additional shaft vibrations
  • Cooling sealing area for high temperature applications not required
Espey WKA300 Espey WKA300
  • Multi-part seal rings, radially cut
  • Chamber seal (modular design – can be combined in any order)
  • 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
Espey WKA250ND Espey WKA250ND
  • 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
Espey WKA400HD Espey WKA400HD
  • 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
Espey WKA700 Espey WKA700
  • 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
Espey WKA802HD Espey WKA802HD
  • Chamber seal (modular design - can be combined in any order), optional with housing and lid
  • 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
  • Balanced seal ring inside chamber
  • Seal ring axially spring-loaded – no swinging up at pressure-less machine operation
Espey WKA1100HP Espey WKA1100HP
  • Chamber seal (modular design - can be combined in any order), optional with housing and lid
  • 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