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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-321
Backup Polyurethane BS321 - 1.187 X 1.562 X 0.055"
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BUP-321 - Backup Polyurethane BS321 - 1.187 X 1.562 X 0.055"
Product Information
Product CodeBUP-321
DescriptionBackup Polyurethane BS321 - 1.187 X 1.562 X 0.055"
ProfileBUP
Internal Diameter1.187
Outer Diameter1.562
Seal Height0.055
Max. Temp C100
Alt. Part No.R19321
BUP-025
Backup Polyurethane BS025 - 1.188 X 1.313 X 0.040"
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BUP-025 - Backup Polyurethane BS025 - 1.188 X 1.313 X 0.040"
Product Information
Product CodeBUP-025
DescriptionBackup Polyurethane BS025 - 1.188 X 1.313 X 0.040"
ProfileBUP
Internal Diameter1.188
Outer Diameter1.313
Seal Height0.040
Max. Temp C100
Alt. Part No.R19025
BUP-026
Backup Polyurethane BS026 - 1.250 X 1.375 X 0.040"
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BUP-026 - Backup Polyurethane BS026 - 1.250 X 1.375 X 0.040"
Product Information
Product CodeBUP-026
DescriptionBackup Polyurethane BS026 - 1.250 X 1.375 X 0.040"
ProfileBUP
Internal Diameter1.250
Outer Diameter1.375
Seal Height0.040
Max. Temp C100
Alt. Part No.R19026
BUP-124
Backup Polyurethane BS124 - 1.250 X 1.438 X 0.040"
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BUP-124 - Backup Polyurethane BS124 - 1.250 X 1.438 X 0.040"
Product Information
Product CodeBUP-124
DescriptionBackup Polyurethane BS124 - 1.250 X 1.438 X 0.040"
ProfileBUP
Internal Diameter1.250
Outer Diameter1.438
Seal Height0.040
Max. Temp C100
Alt. Part No.R19124
BUP-218
Backup Polyurethane BS218 - 1.250 X 1.500 X 0.040"
28
BUP-218 - Backup Polyurethane BS218 - 1.250 X 1.500 X 0.040"
Product Information
Product CodeBUP-218
DescriptionBackup Polyurethane BS218 - 1.250 X 1.500 X 0.040"
ProfileBUP
Internal Diameter1.250
Outer Diameter1.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19218
BUP-322
Backup Polyurethane BS322 - 1.250 X 1.625 X 0.055"
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BUP-322 - Backup Polyurethane BS322 - 1.250 X 1.625 X 0.055"
Product Information
Product CodeBUP-322
DescriptionBackup Polyurethane BS322 - 1.250 X 1.625 X 0.055"
ProfileBUP
Internal Diameter1.250
Outer Diameter1.625
Seal Height0.055
Max. Temp C100
Alt. Part No.R19322
BUP-027
Backup Polyurethane BS027 - 1.312 X 1.437 X 0.040"
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BUP-027 - Backup Polyurethane BS027 - 1.312 X 1.437 X 0.040"
Product Information
Product CodeBUP-027
DescriptionBackup Polyurethane BS027 - 1.312 X 1.437 X 0.040"
ProfileBUP
Internal Diameter1.312
Outer Diameter1.437
Seal Height0.040
Max. Temp C100
Alt. Part No.R19027
BUP-125
Backup Polyurethane BS125 - 1.312 X 1.500 X 0.040"
887
BUP-125 - Backup Polyurethane BS125 - 1.312 X 1.500 X 0.040"
Product Information
Product CodeBUP-125
DescriptionBackup Polyurethane BS125 - 1.312 X 1.500 X 0.040"
ProfileBUP
Internal Diameter1.312
Outer Diameter1.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19125
BUP-219
Backup Polyurethane BS219 - 1.312 X 1.562 X 0.040"
10
BUP-219 - Backup Polyurethane BS219 - 1.312 X 1.562 X 0.040"
Product Information
Product CodeBUP-219
DescriptionBackup Polyurethane BS219 - 1.312 X 1.562 X 0.040"
ProfileBUP
Internal Diameter1.312
Outer Diameter1.562
Seal Height0.040
Max. Temp C100
Alt. Part No.R19219
BUP-323
Backup Polyurethane BS323 - 1.312 X 1.687 X 0.055"
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BUP-323 - Backup Polyurethane BS323 - 1.312 X 1.687 X 0.055"
Product Information
Product CodeBUP-323
DescriptionBackup Polyurethane BS323 - 1.312 X 1.687 X 0.055"
ProfileBUP
Internal Diameter1.312
Outer Diameter1.687
Seal Height0.055
Max. Temp C100
Alt. Part No.R19323
BUP-028
Backup Polyurethane BS028 - 1.375 X 1.500 X 0.040"
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BUP-028 - Backup Polyurethane BS028 - 1.375 X 1.500 X 0.040"
Product Information
Product CodeBUP-028
DescriptionBackup Polyurethane BS028 - 1.375 X 1.500 X 0.040"
ProfileBUP
Internal Diameter1.375
Outer Diameter1.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19028
BUP-126
Backup Polyurethane BS126 - 1.375 X 1.563 X 0.040"
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BUP-126 - Backup Polyurethane BS126 - 1.375 X 1.563 X 0.040"
Product Information
Product CodeBUP-126
DescriptionBackup Polyurethane BS126 - 1.375 X 1.563 X 0.040"
ProfileBUP
Internal Diameter1.375
Outer Diameter1.563
Seal Height0.040
Max. Temp C100
Alt. Part No.R19126
BUP-324
Backup Polyurethane BS324 - 1.375 X 1.750 X 0.055"
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BUP-324 - Backup Polyurethane BS324 - 1.375 X 1.750 X 0.055"
Product Information
Product CodeBUP-324
DescriptionBackup Polyurethane BS324 - 1.375 X 1.750 X 0.055"
ProfileBUP
Internal Diameter1.375
Outer Diameter1.750
Seal Height0.055
Max. Temp C100
Alt. Part No.R19324
BUP-127
Backup Polyurethane BS127 - 1.437 X 1.625 X 0.040"
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BUP-127 - Backup Polyurethane BS127 - 1.437 X 1.625 X 0.040"
Product Information
Product CodeBUP-127
DescriptionBackup Polyurethane BS127 - 1.437 X 1.625 X 0.040"
ProfileBUP
Internal Diameter1.437
Outer Diameter1.625
Seal Height0.040
Max. Temp C100
Alt. Part No.R19127
BUP-221
Backup Polyurethane BS221 - 1.437 X 1.687 X 0.040"
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BUP-221 - Backup Polyurethane BS221 - 1.437 X 1.687 X 0.040"
Product Information
Product CodeBUP-221
DescriptionBackup Polyurethane BS221 - 1.437 X 1.687 X 0.040"
ProfileBUP
Internal Diameter1.437
Outer Diameter1.687
Seal Height0.040
Max. Temp C100
Alt. Part No.R19221
BUP-029
Backup Polyurethane BS029 - 1.500 X 1.625 X 0.040"
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BUP-029 - Backup Polyurethane BS029 - 1.500 X 1.625 X 0.040"
Product Information
Product CodeBUP-029
DescriptionBackup Polyurethane BS029 - 1.500 X 1.625 X 0.040"
ProfileBUP
Internal Diameter1.500
Outer Diameter1.625
Seal Height0.040
Max. Temp C100
Alt. Part No.R19029
BUP-128
Backup Polyurethane BS128 - 1.500 X 1.688 X 0.040"
25
BUP-128 - Backup Polyurethane BS128 - 1.500 X 1.688 X 0.040"
Product Information
Product CodeBUP-128
DescriptionBackup Polyurethane BS128 - 1.500 X 1.688 X 0.040"
ProfileBUP
Internal Diameter1.500
Outer Diameter1.688
Seal Height0.040
Max. Temp C100
Alt. Part No.R19128
BUP-222
Backup Polyurethane BS222 - 1.500 X 1.750 X 0.040"
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BUP-222 - Backup Polyurethane BS222 - 1.500 X 1.750 X 0.040"
Product Information
Product CodeBUP-222
DescriptionBackup Polyurethane BS222 - 1.500 X 1.750 X 0.040"
ProfileBUP
Internal Diameter1.500
Outer Diameter1.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19222
BUP-325
Backup Polyurethane BS325 - 1.500 X 1.875 X 0.055"
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BUP-325 - Backup Polyurethane BS325 - 1.500 X 1.875 X 0.055"
Product Information
Product CodeBUP-325
DescriptionBackup Polyurethane BS325 - 1.500 X 1.875 X 0.055"
ProfileBUP
Internal Diameter1.500
Outer Diameter1.875
Seal Height0.055
Max. Temp C100
Alt. Part No.R19325
BUP-129
Backup Polyurethane BS129 - 1.562 X 1.750 X 0.040"
412
BUP-129 - Backup Polyurethane BS129 - 1.562 X 1.750 X 0.040"
Product Information
Product CodeBUP-129
DescriptionBackup Polyurethane BS129 - 1.562 X 1.750 X 0.040"
ProfileBUP
Internal Diameter1.562
Outer Diameter1.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19129
BUP-030
Backup Polyurethane BS030 - 1.625 X 1.750 X 0.040"
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BUP-030 - Backup Polyurethane BS030 - 1.625 X 1.750 X 0.040"
Product Information
Product CodeBUP-030
DescriptionBackup Polyurethane BS030 - 1.625 X 1.750 X 0.040"
ProfileBUP
Internal Diameter1.625
Outer Diameter1.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19030
BUP-130
Backup Polyurethane BS130 - 1.625 X 1.813 X 0.040"
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BUP-130 - Backup Polyurethane BS130 - 1.625 X 1.813 X 0.040"
Product Information
Product CodeBUP-130
DescriptionBackup Polyurethane BS130 - 1.625 X 1.813 X 0.040"
ProfileBUP
Internal Diameter1.625
Outer Diameter1.813
Seal Height0.040
Max. Temp C100
Alt. Part No.R19130
BUP-223
Backup Polyurethane BS223 - 1.625 X 1.875 X 0.040"
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BUP-223 - Backup Polyurethane BS223 - 1.625 X 1.875 X 0.040"
Product Information
Product CodeBUP-223
DescriptionBackup Polyurethane BS223 - 1.625 X 1.875 X 0.040"
ProfileBUP
Internal Diameter1.625
Outer Diameter1.875
Seal Height0.040
Max. Temp C100
Alt. Part No.R19223
BUP-326
Backup Polyurethane BS326 - 1.625 X 2.000 X 0.055"
0
BUP-326 - Backup Polyurethane BS326 - 1.625 X 2.000 X 0.055"
Product Information
Product CodeBUP-326
DescriptionBackup Polyurethane BS326 - 1.625 X 2.000 X 0.055"
ProfileBUP
Internal Diameter1.625
Outer Diameter2.000
Seal Height0.055
Max. Temp C100
Alt. Part No.R19326
 
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