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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-131
Backup Polyurethane BS131 - 1.687 X 1.875 X 0.040"
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BUP-131 - Backup Polyurethane BS131 - 1.687 X 1.875 X 0.040"
Product Information
Product CodeBUP-131
DescriptionBackup Polyurethane BS131 - 1.687 X 1.875 X 0.040"
ProfileBUP
Internal Diameter1.687
Outer Diameter1.875
Seal Height0.040
Max. Temp C100
Alt. Part No.R19131
BUP-031
Backup Polyurethane BS031 - 1.750 X 1.875 X 0.040"
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BUP-031 - Backup Polyurethane BS031 - 1.750 X 1.875 X 0.040"
Product Information
Product CodeBUP-031
DescriptionBackup Polyurethane BS031 - 1.750 X 1.875 X 0.040"
ProfileBUP
Internal Diameter1.750
Outer Diameter1.875
Seal Height0.040
Max. Temp C100
Alt. Part No.R19031
BUP-132
Backup Polyurethane BS132 - 1.750 X 1.938 X 0.040"
0
BUP-132 - Backup Polyurethane BS132 - 1.750 X 1.938 X 0.040"
Product Information
Product CodeBUP-132
DescriptionBackup Polyurethane BS132 - 1.750 X 1.938 X 0.040"
ProfileBUP
Internal Diameter1.750
Outer Diameter1.938
Seal Height0.040
Max. Temp C100
Alt. Part No.R19132
BUP-224
Backup Polyurethane BS224 - 1.750 X 2.000 X 0.040"
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BUP-224 - Backup Polyurethane BS224 - 1.750 X 2.000 X 0.040"
Product Information
Product CodeBUP-224
DescriptionBackup Polyurethane BS224 - 1.750 X 2.000 X 0.040"
ProfileBUP
Internal Diameter1.750
Outer Diameter2.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19224
BUP-327
Backup Polyurethane BS327 - 1.750 X 2.125 X 0.055"
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BUP-327 - Backup Polyurethane BS327 - 1.750 X 2.125 X 0.055"
Product Information
Product CodeBUP-327
DescriptionBackup Polyurethane BS327 - 1.750 X 2.125 X 0.055"
ProfileBUP
Internal Diameter1.750
Outer Diameter2.125
Seal Height0.055
Max. Temp C100
Alt. Part No.R19327
BUP-133
Backup Polyurethane BS133 - 1.812 X 2.000 X 0.040"
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BUP-133 - Backup Polyurethane BS133 - 1.812 X 2.000 X 0.040"
Product Information
Product CodeBUP-133
DescriptionBackup Polyurethane BS133 - 1.812 X 2.000 X 0.040"
ProfileBUP
Internal Diameter1.812
Outer Diameter2.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19133
BUP-032
Backup Polyurethane BS032 - 1.875 X 2.000 X 0.040"
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BUP-032 - Backup Polyurethane BS032 - 1.875 X 2.000 X 0.040"
Product Information
Product CodeBUP-032
DescriptionBackup Polyurethane BS032 - 1.875 X 2.000 X 0.040"
ProfileBUP
Internal Diameter1.875
Outer Diameter2.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19032
BUP-134
Backup Polyurethane BS134 - 1.875 X 2.063 X 0.040"
18
BUP-134 - Backup Polyurethane BS134 - 1.875 X 2.063 X 0.040"
Product Information
Product CodeBUP-134
DescriptionBackup Polyurethane BS134 - 1.875 X 2.063 X 0.040"
ProfileBUP
Internal Diameter1.875
Outer Diameter2.063
Seal Height0.040
Max. Temp C100
Alt. Part No.R19134
BUP-225
Backup Polyurethane BS225 - 1.875 X 2.125 X 0.040"
0
BUP-225 - Backup Polyurethane BS225 - 1.875 X 2.125 X 0.040"
Product Information
Product CodeBUP-225
DescriptionBackup Polyurethane BS225 - 1.875 X 2.125 X 0.040"
ProfileBUP
Internal Diameter1.875
Outer Diameter2.125
Seal Height0.040
Max. Temp C100
Alt. Part No.R19225
BUP-328
Backup Polyurethane BS328 - 1.875 X 2.250 X 0.055"
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BUP-328 - Backup Polyurethane BS328 - 1.875 X 2.250 X 0.055"
Product Information
Product CodeBUP-328
DescriptionBackup Polyurethane BS328 - 1.875 X 2.250 X 0.055"
ProfileBUP
Internal Diameter1.875
Outer Diameter2.250
Seal Height0.055
Max. Temp C100
Alt. Part No.R19328
BUP-135
Backup Polyurethane BS135 - 1.937 X 2.125 X 0.040"
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BUP-135 - Backup Polyurethane BS135 - 1.937 X 2.125 X 0.040"
Product Information
Product CodeBUP-135
DescriptionBackup Polyurethane BS135 - 1.937 X 2.125 X 0.040"
ProfileBUP
Internal Diameter1.937
Outer Diameter2.125
Seal Height0.040
Max. Temp C100
Alt. Part No.R19135
BUP-033
Backup Polyurethane BS033 - 2.000 X 2.125 X 0.040"
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BUP-033 - Backup Polyurethane BS033 - 2.000 X 2.125 X 0.040"
Product Information
Product CodeBUP-033
DescriptionBackup Polyurethane BS033 - 2.000 X 2.125 X 0.040"
ProfileBUP
Internal Diameter2.000
Outer Diameter2.125
Seal Height0.040
Max. Temp C100
Alt. Part No.R19033
BUP-136
Backup Polyurethane BS136 - 2.000 X 2.188 X 0.040"
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BUP-136 - Backup Polyurethane BS136 - 2.000 X 2.188 X 0.040"
Product Information
Product CodeBUP-136
DescriptionBackup Polyurethane BS136 - 2.000 X 2.188 X 0.040"
ProfileBUP
Internal Diameter2.000
Outer Diameter2.188
Seal Height0.040
Max. Temp C100
Alt. Part No.R19136
BUP-226
Backup Polyurethane BS226 - 2.000 X 2.250 X 0.040"
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BUP-226 - Backup Polyurethane BS226 - 2.000 X 2.250 X 0.040"
Product Information
Product CodeBUP-226
DescriptionBackup Polyurethane BS226 - 2.000 X 2.250 X 0.040"
ProfileBUP
Internal Diameter2.000
Outer Diameter2.250
Seal Height0.040
Max. Temp C100
Alt. Part No.R19226
BUP-329
Backup Polyurethane BS329 - 2.000 X 2.375 X 0.055"
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BUP-329 - Backup Polyurethane BS329 - 2.000 X 2.375 X 0.055"
Product Information
Product CodeBUP-329
DescriptionBackup Polyurethane BS329 - 2.000 X 2.375 X 0.055"
ProfileBUP
Internal Diameter2.000
Outer Diameter2.375
Seal Height0.055
Max. Temp C100
Alt. Part No.R19329
BUP-137
Backup Polyurethane BS137 - 2.063 X 2.251 X 0.040"
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BUP-137 - Backup Polyurethane BS137 - 2.063 X 2.251 X 0.040"
Product Information
Product CodeBUP-137
DescriptionBackup Polyurethane BS137 - 2.063 X 2.251 X 0.040"
ProfileBUP
Internal Diameter2.063
Outer Diameter2.251
Seal Height0.040
Max. Temp C100
Alt. Part No.R19137
BUP-034
Backup Polyurethane BS034 - 2.125 X 2.250 X 0.040"
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BUP-034 - Backup Polyurethane BS034 - 2.125 X 2.250 X 0.040"
Product Information
Product CodeBUP-034
DescriptionBackup Polyurethane BS034 - 2.125 X 2.250 X 0.040"
ProfileBUP
Internal Diameter2.125
Outer Diameter2.250
Seal Height0.040
Max. Temp C100
Alt. Part No.R19034
BUP-138
Backup Polyurethane BS138 - 2.125 X 2.313 X 0.040"
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BUP-138 - Backup Polyurethane BS138 - 2.125 X 2.313 X 0.040"
Product Information
Product CodeBUP-138
DescriptionBackup Polyurethane BS138 - 2.125 X 2.313 X 0.040"
ProfileBUP
Internal Diameter2.125
Outer Diameter2.313
Seal Height0.040
Max. Temp C100
Alt. Part No.R19138
BUP-227
Backup Polyurethane BS227 - 2.125 X 2.375 X 0.040"
518
BUP-227 - Backup Polyurethane BS227 - 2.125 X 2.375 X 0.040"
Product Information
Product CodeBUP-227
DescriptionBackup Polyurethane BS227 - 2.125 X 2.375 X 0.040"
ProfileBUP
Internal Diameter2.125
Outer Diameter2.375
Seal Height0.040
Max. Temp C100
Alt. Part No.R19227
BUP-330
Backup Polyurethane BS330 - 2.125 X 2.500 X 0.055"
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BUP-330 - Backup Polyurethane BS330 - 2.125 X 2.500 X 0.055"
Product Information
Product CodeBUP-330
DescriptionBackup Polyurethane BS330 - 2.125 X 2.500 X 0.055"
ProfileBUP
Internal Diameter2.125
Outer Diameter2.500
Seal Height0.055
Max. Temp C100
Alt. Part No.R19330
BUP-139
Backup Polyurethane BS139 - 2.187 X 2.375 X 0.040"
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BUP-139 - Backup Polyurethane BS139 - 2.187 X 2.375 X 0.040"
Product Information
Product CodeBUP-139
DescriptionBackup Polyurethane BS139 - 2.187 X 2.375 X 0.040"
ProfileBUP
Internal Diameter2.187
Outer Diameter2.375
Seal Height0.040
Max. Temp C100
Alt. Part No.R19139
BUP-035
Backup Polyurethane BS035 - 2.250 X 2.375 X 0.040"
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BUP-035 - Backup Polyurethane BS035 - 2.250 X 2.375 X 0.040"
Product Information
Product CodeBUP-035
DescriptionBackup Polyurethane BS035 - 2.250 X 2.375 X 0.040"
ProfileBUP
Internal Diameter2.250
Outer Diameter2.375
Seal Height0.040
Max. Temp C100
Alt. Part No.R19035
BUP-140
Backup Polyurethane BS140 - 2.250 X 2.438 X 0.040"
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BUP-140 - Backup Polyurethane BS140 - 2.250 X 2.438 X 0.040"
Product Information
Product CodeBUP-140
DescriptionBackup Polyurethane BS140 - 2.250 X 2.438 X 0.040"
ProfileBUP
Internal Diameter2.250
Outer Diameter2.438
Seal Height0.040
Max. Temp C100
Alt. Part No.R19140
BUP-228
Backup Polyurethane BS228 - 2.250 X 2.500 X 0.040"
261
BUP-228 - Backup Polyurethane BS228 - 2.250 X 2.500 X 0.040"
Product Information
Product CodeBUP-228
DescriptionBackup Polyurethane BS228 - 2.250 X 2.500 X 0.040"
ProfileBUP
Internal Diameter2.250
Outer Diameter2.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19228
 
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