Carbon floating ring seals
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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
