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BUP
Design
    • Provides exceptional extrusion resistance to a paired oring or seal to increase pressure handling capabilities.
    • High abrasion resistance makes it suitable in contaminated fluids.
    • Can be used as a backup to a hydraulic seal or an oring.
Material
    • 95A Polyurethane.
Application
    • Suitable for static and dynamic applications.
    • Suitable for high pressure and heavy duty applications where additional resistance to extrusion is required.
Fluids
    • Hydraulic fluids, petroleum fuels and oils

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Product Code
Description
Availability
Qty
BUP-331
Backup Polyurethane BS331 - 2.250 X 2.625 X 0.055"
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BUP-331 - Backup Polyurethane BS331 - 2.250 X 2.625 X 0.055"
Product Information
Product CodeBUP-331
DescriptionBackup Polyurethane BS331 - 2.250 X 2.625 X 0.055"
ProfileBUP
Internal Diameter2.250
Outer Diameter2.625
Seal Height0.055
Max. Temp C100
Alt. Part No.R19331
BUP-141
Backup Polyurethane BS141 - 2.312 X 2.500 X 0.040"
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BUP-141 - Backup Polyurethane BS141 - 2.312 X 2.500 X 0.040"
Product Information
Product CodeBUP-141
DescriptionBackup Polyurethane BS141 - 2.312 X 2.500 X 0.040"
ProfileBUP
Internal Diameter2.312
Outer Diameter2.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19141
BUP-036
Backup Polyurethane BS036 - 2.375 X 2.500 X 0.040"
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BUP-036 - Backup Polyurethane BS036 - 2.375 X 2.500 X 0.040"
Product Information
Product CodeBUP-036
DescriptionBackup Polyurethane BS036 - 2.375 X 2.500 X 0.040"
ProfileBUP
Internal Diameter2.375
Outer Diameter2.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19036
BUP-142
Backup Polyurethane BS142 - 2.375 X 2.563 X 0.040"
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BUP-142 - Backup Polyurethane BS142 - 2.375 X 2.563 X 0.040"
Product Information
Product CodeBUP-142
DescriptionBackup Polyurethane BS142 - 2.375 X 2.563 X 0.040"
ProfileBUP
Internal Diameter2.375
Outer Diameter2.563
Seal Height0.040
Max. Temp C100
Alt. Part No.R19142
BUP-229
Backup Polyurethane BS229 - 2.375 X 2.625 X 0.040"
1,542
BUP-229 - Backup Polyurethane BS229 - 2.375 X 2.625 X 0.040"
Product Information
Product CodeBUP-229
DescriptionBackup Polyurethane BS229 - 2.375 X 2.625 X 0.040"
ProfileBUP
Internal Diameter2.375
Outer Diameter2.625
Seal Height0.040
Max. Temp C100
Alt. Part No.R19229
BUP-332
Backup Polyurethane BS332 - 2.375 X 2.750 X 0.055"
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BUP-332 - Backup Polyurethane BS332 - 2.375 X 2.750 X 0.055"
Product Information
Product CodeBUP-332
DescriptionBackup Polyurethane BS332 - 2.375 X 2.750 X 0.055"
ProfileBUP
Internal Diameter2.375
Outer Diameter2.750
Seal Height0.055
Max. Temp C100
Alt. Part No.R19332
BUP-143
Backup Polyurethane BS143 - 2.437 X 2.625 X 0.040"
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BUP-143 - Backup Polyurethane BS143 - 2.437 X 2.625 X 0.040"
Product Information
Product CodeBUP-143
DescriptionBackup Polyurethane BS143 - 2.437 X 2.625 X 0.040"
ProfileBUP
Internal Diameter2.437
Outer Diameter2.625
Seal Height0.040
Max. Temp C100
Alt. Part No.R19143
BUP-037
Backup Polyurethane BS037 - 2.500 X 2.625 X 0.040"
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BUP-037 - Backup Polyurethane BS037 - 2.500 X 2.625 X 0.040"
Product Information
Product CodeBUP-037
DescriptionBackup Polyurethane BS037 - 2.500 X 2.625 X 0.040"
ProfileBUP
Internal Diameter2.500
Outer Diameter2.625
Seal Height0.040
Max. Temp C100
Alt. Part No.R19037
BUP-144
Backup Polyurethane BS144 - 2.500 X 2.688 X 0.040"
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BUP-144 - Backup Polyurethane BS144 - 2.500 X 2.688 X 0.040"
Product Information
Product CodeBUP-144
DescriptionBackup Polyurethane BS144 - 2.500 X 2.688 X 0.040"
ProfileBUP
Internal Diameter2.500
Outer Diameter2.688
Seal Height0.040
Max. Temp C100
Alt. Part No.R19144
BUP-230
Backup Polyurethane BS230 - 2.500 X 2.750 X 0.040"
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BUP-230 - Backup Polyurethane BS230 - 2.500 X 2.750 X 0.040"
Product Information
Product CodeBUP-230
DescriptionBackup Polyurethane BS230 - 2.500 X 2.750 X 0.040"
ProfileBUP
Internal Diameter2.500
Outer Diameter2.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19230
BUP-333
Backup Polyurethane BS333 - 2.500 X 2.875 X 0.055"
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BUP-333 - Backup Polyurethane BS333 - 2.500 X 2.875 X 0.055"
Product Information
Product CodeBUP-333
DescriptionBackup Polyurethane BS333 - 2.500 X 2.875 X 0.055"
ProfileBUP
Internal Diameter2.500
Outer Diameter2.875
Seal Height0.055
Max. Temp C100
Alt. Part No.R19333
BUP-145
Backup Polyurethane BS145 - 2.562 X 2.750 X 0.040"
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BUP-145 - Backup Polyurethane BS145 - 2.562 X 2.750 X 0.040"
Product Information
Product CodeBUP-145
DescriptionBackup Polyurethane BS145 - 2.562 X 2.750 X 0.040"
ProfileBUP
Internal Diameter2.562
Outer Diameter2.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19145
BUP-038
Backup Polyurethane BS038 - 2.625 X 2.750 X 0.040"
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BUP-038 - Backup Polyurethane BS038 - 2.625 X 2.750 X 0.040"
Product Information
Product CodeBUP-038
DescriptionBackup Polyurethane BS038 - 2.625 X 2.750 X 0.040"
ProfileBUP
Internal Diameter2.625
Outer Diameter2.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19038
BUP-146
Backup Polyurethane BS146 - 2.625 X 2.813 X 0.040"
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BUP-146 - Backup Polyurethane BS146 - 2.625 X 2.813 X 0.040"
Product Information
Product CodeBUP-146
DescriptionBackup Polyurethane BS146 - 2.625 X 2.813 X 0.040"
ProfileBUP
Internal Diameter2.625
Outer Diameter2.813
Seal Height0.040
Max. Temp C100
Alt. Part No.R19146
BUP-231
Backup Polyurethane BS231 - 2.625 X 2.875 X 0.040"
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BUP-231 - Backup Polyurethane BS231 - 2.625 X 2.875 X 0.040"
Product Information
Product CodeBUP-231
DescriptionBackup Polyurethane BS231 - 2.625 X 2.875 X 0.040"
ProfileBUP
Internal Diameter2.625
Outer Diameter2.875
Seal Height0.040
Max. Temp C100
Alt. Part No.R19231
BUP-334
Backup Polyurethane BS334 - 2.625 X 3.000 X 0.055"
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BUP-334 - Backup Polyurethane BS334 - 2.625 X 3.000 X 0.055"
Product Information
Product CodeBUP-334
DescriptionBackup Polyurethane BS334 - 2.625 X 3.000 X 0.055"
ProfileBUP
Internal Diameter2.625
Outer Diameter3.000
Seal Height0.055
Max. Temp C100
Alt. Part No.R19334
BUP-147
Backup Polyurethane BS147 - 2.687 X 2.875 X 0.040"
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BUP-147 - Backup Polyurethane BS147 - 2.687 X 2.875 X 0.040"
Product Information
Product CodeBUP-147
DescriptionBackup Polyurethane BS147 - 2.687 X 2.875 X 0.040"
ProfileBUP
Internal Diameter2.687
Outer Diameter2.875
Seal Height0.040
Max. Temp C100
Alt. Part No.R19147
BUP-039
Backup Polyurethane BS039 - 2.750 X 2.875 X 0.040"
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BUP-039 - Backup Polyurethane BS039 - 2.750 X 2.875 X 0.040"
Product Information
Product CodeBUP-039
DescriptionBackup Polyurethane BS039 - 2.750 X 2.875 X 0.040"
ProfileBUP
Internal Diameter2.750
Outer Diameter2.875
Seal Height0.040
Max. Temp C100
Alt. Part No.R19039
BUP-148
Backup Polyurethane BS148 - 2.750 X 2.938 X 0.040"
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BUP-148 - Backup Polyurethane BS148 - 2.750 X 2.938 X 0.040"
Product Information
Product CodeBUP-148
DescriptionBackup Polyurethane BS148 - 2.750 X 2.938 X 0.040"
ProfileBUP
Internal Diameter2.750
Outer Diameter2.938
Seal Height0.040
Max. Temp C100
Alt. Part No.R19148
BUP-232
Backup Polyurethane BS232 - 2.750 X 3.000 X 0.040"
398
BUP-232 - Backup Polyurethane BS232 - 2.750 X 3.000 X 0.040"
Product Information
Product CodeBUP-232
DescriptionBackup Polyurethane BS232 - 2.750 X 3.000 X 0.040"
ProfileBUP
Internal Diameter2.750
Outer Diameter3.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19232
BUP-335
Backup Polyurethane BS335 - 2.750 X 3.125 X 0.055"
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BUP-335 - Backup Polyurethane BS335 - 2.750 X 3.125 X 0.055"
Product Information
Product CodeBUP-335
DescriptionBackup Polyurethane BS335 - 2.750 X 3.125 X 0.055"
ProfileBUP
Internal Diameter2.750
Outer Diameter3.125
Seal Height0.055
Max. Temp C100
Alt. Part No.R19335
BUP-149
Backup Polyurethane BS149 - 2.812 X 3.000 X 0.040"
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BUP-149 - Backup Polyurethane BS149 - 2.812 X 3.000 X 0.040"
Product Information
Product CodeBUP-149
DescriptionBackup Polyurethane BS149 - 2.812 X 3.000 X 0.040"
ProfileBUP
Internal Diameter2.812
Outer Diameter3.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19149
BUP-040
Backup Polyurethane BS040 - 2.875 X 3.000 X 0.040"
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BUP-040 - Backup Polyurethane BS040 - 2.875 X 3.000 X 0.040"
Product Information
Product CodeBUP-040
DescriptionBackup Polyurethane BS040 - 2.875 X 3.000 X 0.040"
ProfileBUP
Internal Diameter2.875
Outer Diameter3.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19040
BUP-150
Backup Polyurethane BS150 - 2.875 X 3.063 X 0.040"
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BUP-150 - Backup Polyurethane BS150 - 2.875 X 3.063 X 0.040"
Product Information
Product CodeBUP-150
DescriptionBackup Polyurethane BS150 - 2.875 X 3.063 X 0.040"
ProfileBUP
Internal Diameter2.875
Outer Diameter3.063
Seal Height0.040
Max. Temp C100
Alt. Part No.R19150
 
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