Not sure what seal you need? Try our Seal filter & Finder
BUH
Design
    • Provides ultimate extrusion resistance to a paired oring or seal to drastically increase pressure handling capabilities.
    • Can be used as a backup to a hydraulic seal or an oring.
Material
    • 55 D Hytrel
Application
    • Suitable for static and dynamic applications.
    • Suitable for high pressure and heavy duty applications where additional resistance to extrusion is required.
Fluids
    • Nearly universal chemical resistance to acids, bases, alcohols and oils and all pressure fluids used in hydraulics
      Resistant to high and extremely low temperatures

Filter

    ​
​
 
Page of  
Product Code
Description
Availability
Qty
BUH-342
Backup Hytrel BS342 - 3.625 X 4.000 X 0.070"
5
BUH-342 - Backup Hytrel BS342 - 3.625 X 4.000 X 0.070"
Product Information
Product CodeBUH-342
DescriptionBackup Hytrel BS342 - 3.625 X 4.000 X 0.070"
ProfileBUH
Internal Diameter3.625
Outer Diameter4.000
Seal Height0.070
Max. Temp C135
BUH-044
Backup Hytrel BS044 - 3.750 X 3.875 X 0.050"
-
Enquire
BUH-044 - Backup Hytrel BS044 - 3.750 X 3.875 X 0.050"
Product Information
Product CodeBUH-044
DescriptionBackup Hytrel BS044 - 3.750 X 3.875 X 0.050"
ProfileBUH
Internal Diameter3.750
Outer Diameter3.875
Seal Height0.050
Max. Temp C135
BUH-154
Backup Hytrel BS154 - 3.750 X 3.937 X 0.050"
-
Enquire
BUH-154 - Backup Hytrel BS154 - 3.750 X 3.937 X 0.050"
Product Information
Product CodeBUH-154
DescriptionBackup Hytrel BS154 - 3.750 X 3.937 X 0.050"
ProfileBUH
Internal Diameter3.750
Outer Diameter3.937
Seal Height0.050
Max. Temp C135
BUH-240
Backup Hytrel BS240 - 3.750 X 4.000 X 0.040"
82
BUH-240 - Backup Hytrel BS240 - 3.750 X 4.000 X 0.040"
Product Information
Product CodeBUH-240
DescriptionBackup Hytrel BS240 - 3.750 X 4.000 X 0.040"
ProfileBUH
Internal Diameter3.750
Outer Diameter4.000
Seal Height0.040
Max. Temp C135
BUH-343
Backup Hytrel BS343 - 3.750 X 4.125 X 0.070"
-
Enquire
BUH-343 - Backup Hytrel BS343 - 3.750 X 4.125 X 0.070"
Product Information
Product CodeBUH-343
DescriptionBackup Hytrel BS343 - 3.750 X 4.125 X 0.070"
ProfileBUH
Internal Diameter3.750
Outer Diameter4.125
Seal Height0.070
Max. Temp C135
BUH-241
Backup Hytrel BS241 - 3.875 X 4.125 X 0.040"
0
BUH-241 - Backup Hytrel BS241 - 3.875 X 4.125 X 0.040"
Product Information
Product CodeBUH-241
DescriptionBackup Hytrel BS241 - 3.875 X 4.125 X 0.040"
ProfileBUH
Internal Diameter3.875
Outer Diameter4.125
Seal Height0.040
Max. Temp C135
BUH-344
Backup Hytrel BS344 - 3.875 X 4.250 X 0.060"
0
BUH-344 - Backup Hytrel BS344 - 3.875 X 4.250 X 0.060"
Product Information
Product CodeBUH-344
DescriptionBackup Hytrel BS344 - 3.875 X 4.250 X 0.060"
ProfileBUH
Internal Diameter3.875
Outer Diameter4.250
Seal Height0.060
Max. Temp C135
BUH-045
Backup Hytrel BS045 - 4.000 X 4.125 X 0.050"
-
Enquire
BUH-045 - Backup Hytrel BS045 - 4.000 X 4.125 X 0.050"
Product Information
Product CodeBUH-045
DescriptionBackup Hytrel BS045 - 4.000 X 4.125 X 0.050"
ProfileBUH
Internal Diameter4.000
Outer Diameter4.125
Seal Height0.050
Max. Temp C135
BUH-155
Backup Hytrel BS155 - 4.000 X 4.187 X 0.050"
-
Enquire
BUH-155 - Backup Hytrel BS155 - 4.000 X 4.187 X 0.050"
Product Information
Product CodeBUH-155
DescriptionBackup Hytrel BS155 - 4.000 X 4.187 X 0.050"
ProfileBUH
Internal Diameter4.000
Outer Diameter4.187
Seal Height0.050
Max. Temp C135
BUH-242
Backup Hytrel BS242 - 4.000 X 4.250 X 0.050"
80
BUH-242 - Backup Hytrel BS242 - 4.000 X 4.250 X 0.050"
Product Information
Product CodeBUH-242
DescriptionBackup Hytrel BS242 - 4.000 X 4.250 X 0.050"
ProfileBUH
Internal Diameter4.000
Outer Diameter4.250
Seal Height0.050
Max. Temp C135
BUH-345
Backup Hytrel BS345 - 4.000 X 4.375 X 0.070"
7
BUH-345 - Backup Hytrel BS345 - 4.000 X 4.375 X 0.070"
Product Information
Product CodeBUH-345
DescriptionBackup Hytrel BS345 - 4.000 X 4.375 X 0.070"
ProfileBUH
Internal Diameter4.000
Outer Diameter4.375
Seal Height0.070
Max. Temp C135
BUH-243
Backup Hytrel BS243 - 4.125 X 4.375 X 0.050"
7
BUH-243 - Backup Hytrel BS243 - 4.125 X 4.375 X 0.050"
Product Information
Product CodeBUH-243
DescriptionBackup Hytrel BS243 - 4.125 X 4.375 X 0.050"
ProfileBUH
Internal Diameter4.125
Outer Diameter4.375
Seal Height0.050
Max. Temp C135
BUH-346
Backup Hytrel BS346 - 4.125 X 4.500 X 0.070"
0
BUH-346 - Backup Hytrel BS346 - 4.125 X 4.500 X 0.070"
Product Information
Product CodeBUH-346
DescriptionBackup Hytrel BS346 - 4.125 X 4.500 X 0.070"
ProfileBUH
Internal Diameter4.125
Outer Diameter4.500
Seal Height0.070
Max. Temp C135
BUH-156
Backup Hytrel BS156 - 4.250 X 4.437 X 0.050"
-
Enquire
BUH-156 - Backup Hytrel BS156 - 4.250 X 4.437 X 0.050"
Product Information
Product CodeBUH-156
DescriptionBackup Hytrel BS156 - 4.250 X 4.437 X 0.050"
ProfileBUH
Internal Diameter4.250
Outer Diameter4.437
Seal Height0.050
Max. Temp C135
BUH-244
Backup Hytrel BS244 - 4.250 X 4.500 X 0.040"
17
BUH-244 - Backup Hytrel BS244 - 4.250 X 4.500 X 0.040"
Product Information
Product CodeBUH-244
DescriptionBackup Hytrel BS244 - 4.250 X 4.500 X 0.040"
ProfileBUH
Internal Diameter4.250
Outer Diameter4.500
Seal Height0.040
Max. Temp C135
BUH-347
Backup Hytrel BS347 - 4.250 X 4.625 X 0.070"
-
Enquire
BUH-347 - Backup Hytrel BS347 - 4.250 X 4.625 X 0.070"
Product Information
Product CodeBUH-347
DescriptionBackup Hytrel BS347 - 4.250 X 4.625 X 0.070"
ProfileBUH
Internal Diameter4.250
Outer Diameter4.625
Seal Height0.070
Max. Temp C135
BUH-245
Backup Hytrel BS245 - 4.375 X 4.625 X 0.050"
0
BUH-245 - Backup Hytrel BS245 - 4.375 X 4.625 X 0.050"
Product Information
Product CodeBUH-245
DescriptionBackup Hytrel BS245 - 4.375 X 4.625 X 0.050"
ProfileBUH
Internal Diameter4.375
Outer Diameter4.625
Seal Height0.050
Max. Temp C135
BUH-348
Backup Hytrel BS348 - 4.375 X 4.750 X 0.070"
2
BUH-348 - Backup Hytrel BS348 - 4.375 X 4.750 X 0.070"
Product Information
Product CodeBUH-348
DescriptionBackup Hytrel BS348 - 4.375 X 4.750 X 0.070"
ProfileBUH
Internal Diameter4.375
Outer Diameter4.750
Seal Height0.070
Max. Temp C135
BUH-047
Backup Hytrel BS047 - 4.500 X 4.625 X 0.050"
-
Enquire
BUH-047 - Backup Hytrel BS047 - 4.500 X 4.625 X 0.050"
Product Information
Product CodeBUH-047
DescriptionBackup Hytrel BS047 - 4.500 X 4.625 X 0.050"
ProfileBUH
Internal Diameter4.500
Outer Diameter4.625
Seal Height0.050
Max. Temp C135
BUH-246
Backup Hytrel BS246 - 4.500 X 4.750 X 0.050"
0
BUH-246 - Backup Hytrel BS246 - 4.500 X 4.750 X 0.050"
Product Information
Product CodeBUH-246
DescriptionBackup Hytrel BS246 - 4.500 X 4.750 X 0.050"
ProfileBUH
Internal Diameter4.500
Outer Diameter4.750
Seal Height0.050
Max. Temp C135
BUH-425
Backup Hytrel BS425 - 4.500 X 5.000 X 0.105"
-
Enquire
BUH-425 - Backup Hytrel BS425 - 4.500 X 5.000 X 0.105"
Product Information
Product CodeBUH-425
DescriptionBackup Hytrel BS425 - 4.500 X 5.000 X 0.105"
ProfileBUH
Internal Diameter4.500
Outer Diameter5.000
Seal Height0.105
Max. Temp C135
BUH-247
Backup Hytrel BS247 - 4.625 X 4.875 X 0.050"
4
BUH-247 - Backup Hytrel BS247 - 4.625 X 4.875 X 0.050"
Product Information
Product CodeBUH-247
DescriptionBackup Hytrel BS247 - 4.625 X 4.875 X 0.050"
ProfileBUH
Internal Diameter4.625
Outer Diameter4.875
Seal Height0.050
Max. Temp C135
BUH-350
Backup Hytrel BS350 - 4.625 X 5.000 X 0.070"
49
BUH-350 - Backup Hytrel BS350 - 4.625 X 5.000 X 0.070"
Product Information
Product CodeBUH-350
DescriptionBackup Hytrel BS350 - 4.625 X 5.000 X 0.070"
ProfileBUH
Internal Diameter4.625
Outer Diameter5.000
Seal Height0.070
Max. Temp C135
BUH-426
Backup Hytrel BS426 - 4.625 X 5.125 X 0.105"
-
Enquire
BUH-426 - Backup Hytrel BS426 - 4.625 X 5.125 X 0.105"
Product Information
Product CodeBUH-426
DescriptionBackup Hytrel BS426 - 4.625 X 5.125 X 0.105"
ProfileBUH
Internal Diameter4.625
Outer Diameter5.125
Seal Height0.105
Max. Temp C135
 
Page of