Not sure what seal you need? Try our Seal filter & Finder
CPR
Design
    • Double acting piston seal manufactured from cast iron.
    • Suitable for one piece pistons.
    • Used in heavy duty applications where elastomeric seals are unable to perform.
Material
    • Spheroidal or Nodular Cast Iron.
Application
    • Heavy duty double acting seal usually used in sets of 3.
    • Excellent for the most extreme environments.
    • Excellent for passing over ports.
    • Has wide tolerance to temperature, fluid compatibility and extrusion gaps.
Fluids
    • Hydraulic fluids, petroleum fuels and oils

Filter

    ​
​
 
Page of  
Product Code
Description
Availability
Qty
CPRI100087-100
Cast Iron Piston-Ring - 1.000 X 0.875 X 0.100
0
CPRI100087-100 - Cast Iron Piston-Ring - 1.000 X 0.875 X 0.100
Product Information
Product CodeCPRI100087-100
DescriptionCast Iron Piston-Ring - 1.000 X 0.875 X 0.100
ProfileCPR
Internal Diameter0.875
Outer Diameter1.000
L10.100
CPRI150137-125
Cast Iron Piston-Ring - 1.500 X 1.375 X 1.250"
0
CPRI150137-125 - Cast Iron Piston-Ring - 1.500 X 1.375 X 1.250"
Product Information
Product CodeCPRI150137-125
DescriptionCast Iron Piston-Ring - 1.500 X 1.375 X 1.250"
ProfileCPR
Internal Diameter1.375
Outer Diameter1.500
L11.250
CPRI162137-094
Cast Iron Piston-Ring - 1.625 X 1.375 X 0.094"
-
Enquire
CPRI162137-094 - Cast Iron Piston-Ring - 1.625 X 1.375 X 0.094"
Product Information
Product CodeCPRI162137-094
DescriptionCast Iron Piston-Ring - 1.625 X 1.375 X 0.094"
ProfileCPR
Internal Diameter1.375
Outer Diameter1.625
L10.094
Alt. Part No.R46440
CPRI175151-125
Cast Iron Piston-Ring - 1.750 X 1.510 X 0.125"
-
Enquire
CPRI175151-125 - Cast Iron Piston-Ring - 1.750 X 1.510 X 0.125"
Product Information
Product CodeCPRI175151-125
DescriptionCast Iron Piston-Ring - 1.750 X 1.510 X 0.125"
ProfileCPR
Internal Diameter1.510
Outer Diameter1.750
L10.125
Alt. Part No.RZ8102
CPRI200175-125
Cast Iron Piston-Ring - 2.000 X 1.750 X 0.125"
0
CPRI200175-125 - Cast Iron Piston-Ring - 2.000 X 1.750 X 0.125"
Product Information
Product CodeCPRI200175-125
DescriptionCast Iron Piston-Ring - 2.000 X 1.750 X 0.125"
ProfileCPR
Internal Diameter1.750
Outer Diameter2.000
L10.125
Alt. Part No.RZ8103
CPRI200175-187
Cast Iron Piston-Ring - 2.000 X 1.750 X 0.187"
4
CPRI200175-187 - Cast Iron Piston-Ring - 2.000 X 1.750 X 0.187"
Product Information
Product CodeCPRI200175-187
DescriptionCast Iron Piston-Ring - 2.000 X 1.750 X 0.187"
ProfileCPR
Internal Diameter1.750
Outer Diameter2.000
L10.187
Alt. Part No.R89254
CPRI200185-125
Cast Iron Piston-Ring - 2.000 X 1.850 X 0.125"
-
Enquire
CPRI200185-125 - Cast Iron Piston-Ring - 2.000 X 1.850 X 0.125"
Product Information
Product CodeCPRI200185-125
DescriptionCast Iron Piston-Ring - 2.000 X 1.850 X 0.125"
ProfileCPR
Internal Diameter1.850
Outer Diameter2.000
L10.125
Alt. Part No.RZ8365
CPRI200187-188
Cast Iron Piston-Ring - 2.000 X 1.870 X 0.188"
-
Enquire
CPRI200187-188 - Cast Iron Piston-Ring - 2.000 X 1.870 X 0.188"
Product Information
Product CodeCPRI200187-188
DescriptionCast Iron Piston-Ring - 2.000 X 1.870 X 0.188"
ProfileCPR
Internal Diameter1.870
Outer Diameter2.000
L10.188
Alt. Part No.RZ8449
CPRI225205-125
Cast Iron Piston-Ring - 2.250 X 2.050 X 0.125"
6
CPRI225205-125 - Cast Iron Piston-Ring - 2.250 X 2.050 X 0.125"
Product Information
Product CodeCPRI225205-125
DescriptionCast Iron Piston-Ring - 2.250 X 2.050 X 0.125"
ProfileCPR
Internal Diameter2.050
Outer Diameter2.250
L10.125
CPRI250220-188
Cast Iron Piston-Ring - 2.500 X 2.206 X 0.188"
5
CPRI250220-188 - Cast Iron Piston-Ring - 2.500 X 2.206 X 0.188"
Product Information
Product CodeCPRI250220-188
DescriptionCast Iron Piston-Ring - 2.500 X 2.206 X 0.188"
ProfileCPR
Internal Diameter2.206
Outer Diameter2.500
L10.188
Alt. Part No.RZ8107
CPRI300268-188
Cast Iron Piston-Ring - 3.000 X 2.680 X 0.188"
2
CPRI300268-188 - Cast Iron Piston-Ring - 3.000 X 2.680 X 0.188"
Product Information
Product CodeCPRI300268-188
DescriptionCast Iron Piston-Ring - 3.000 X 2.680 X 0.188"
ProfileCPR
Internal Diameter2.680
Outer Diameter3.000
L10.188
Alt. Part No.RZ8111
CPRI325291-188
Cast Iron Piston-Ring - 3.250 X 2.914 X 0.188"
0
CPRI325291-188 - Cast Iron Piston-Ring - 3.250 X 2.914 X 0.188"
Product Information
Product CodeCPRI325291-188
DescriptionCast Iron Piston-Ring - 3.250 X 2.914 X 0.188"
ProfileCPR
Internal Diameter2.914
Outer Diameter3.250
L10.188
Alt. Part No.RZ8113
CPRI350314-188
Cast Iron Piston-Ring - 3.500 X 3.148 X 0.188"
0
CPRI350314-188 - Cast Iron Piston-Ring - 3.500 X 3.148 X 0.188"
Product Information
Product CodeCPRI350314-188
DescriptionCast Iron Piston-Ring - 3.500 X 3.148 X 0.188"
ProfileCPR
Internal Diameter3.148
Outer Diameter3.500
L10.188
Alt. Part No.RZ8115
CPRI400361-188
Cast Iron Piston-Ring - 4.000 X 3.612 X 0.188"
85
CPRI400361-188 - Cast Iron Piston-Ring - 4.000 X 3.612 X 0.188"
Product Information
Product CodeCPRI400361-188
DescriptionCast Iron Piston-Ring - 4.000 X 3.612 X 0.188"
ProfileCPR
Internal Diameter3.612
Outer Diameter4.000
L10.188
Alt. Part No.RZ8367
CPRI400361-250
Cast Iron Piston-Ring - 4.000 X 3.612 X 0.250"
-
Enquire
CPRI400361-250 - Cast Iron Piston-Ring - 4.000 X 3.612 X 0.250"
Product Information
Product CodeCPRI400361-250
DescriptionCast Iron Piston-Ring - 4.000 X 3.612 X 0.250"
ProfileCPR
Internal Diameter3.612
Outer Diameter4.000
L10.250
Alt. Part No.RZ8119
CPRI425384-250
Cast Iron Piston-Ring - 4.250 X 3.844 X 0.250"
0
CPRI425384-250 - Cast Iron Piston-Ring - 4.250 X 3.844 X 0.250"
Product Information
Product CodeCPRI425384-250
DescriptionCast Iron Piston-Ring - 4.250 X 3.844 X 0.250"
ProfileCPR
Internal Diameter3.844
Outer Diameter4.250
L10.250
Alt. Part No.RZ8121
CPRI450407-250
Cast Iron Piston-Ring - 4.500 X 4.074 X 0.250"
0
CPRI450407-250 - Cast Iron Piston-Ring - 4.500 X 4.074 X 0.250"
Product Information
Product CodeCPRI450407-250
DescriptionCast Iron Piston-Ring - 4.500 X 4.074 X 0.250"
ProfileCPR
Internal Diameter4.074
Outer Diameter4.500
L10.250
Alt. Part No.RZ8122
CPRI450407-312
Cast Iron Piston-Ring - 4.500 X 4.074 X 0.312"
-
Enquire
CPRI450407-312 - Cast Iron Piston-Ring - 4.500 X 4.074 X 0.312"
Product Information
Product CodeCPRI450407-312
DescriptionCast Iron Piston-Ring - 4.500 X 4.074 X 0.312"
ProfileCPR
Internal Diameter4.074
Outer Diameter4.500
L10.312
Alt. Part No.RZ8123
CPRI500454-188
Cast Iron Piston-Ring - 5.000 X 4.540 X 0.188"
14
CPRI500454-188 - Cast Iron Piston-Ring - 5.000 X 4.540 X 0.188"
Product Information
Product CodeCPRI500454-188
DescriptionCast Iron Piston-Ring - 5.000 X 4.540 X 0.188"
ProfileCPR
Internal Diameter4.540
Outer Diameter5.000
L10.188
Alt. Part No.RZ8366
CPRI500454-250
Cast Iron Piston-Ring - 5.000 X 4.540 X 0.250"
4
CPRI500454-250 - Cast Iron Piston-Ring - 5.000 X 4.540 X 0.250"
Product Information
Product CodeCPRI500454-250
DescriptionCast Iron Piston-Ring - 5.000 X 4.540 X 0.250"
ProfileCPR
Internal Diameter4.540
Outer Diameter5.000
L10.250
Alt. Part No.R88029
CPRI500454-312
Cast Iron Piston Ring - 5.000 X 4.540 X 0.312"
-
Enquire
CPRI500454-312 - Cast Iron Piston Ring - 5.000 X 4.540 X 0.312"
Product Information
Product CodeCPRI500454-312
DescriptionCast Iron Piston Ring - 5.000 X 4.540 X 0.312"
ProfileCPR
Internal Diameter4.540
Outer Diameter5.000
L10.312
Alt. Part No.RP1025
CPRI575535-250
Cast Iron Piston-Ring - 5.750 X 5.356 X 0.250"
4
CPRI575535-250 - Cast Iron Piston-Ring - 5.750 X 5.356 X 0.250"
Product Information
Product CodeCPRI575535-250
DescriptionCast Iron Piston-Ring - 5.750 X 5.356 X 0.250"
ProfileCPR
Internal Diameter5.356
Outer Diameter5.750
L10.250
Alt. Part No.RZ8371
CPRI600548-312
Cast Iron Piston-Ring - 6.000 X 5.488 X 0.312"
-
Enquire
CPRI600548-312 - Cast Iron Piston-Ring - 6.000 X 5.488 X 0.312"
Product Information
Product CodeCPRI600548-312
DescriptionCast Iron Piston-Ring - 6.000 X 5.488 X 0.312"
ProfileCPR
Internal Diameter5.488
Outer Diameter6.000
L10.312
CPRI700652-312
Cast Iron Piston-Ring - 7.000 X 6.528 X 0.312"
6
CPRI700652-312 - Cast Iron Piston-Ring - 7.000 X 6.528 X 0.312"
Product Information
Product CodeCPRI700652-312
DescriptionCast Iron Piston-Ring - 7.000 X 6.528 X 0.312"
ProfileCPR
Internal Diameter6.528
Outer Diameter7.000
L10.312
Alt. Part No.RZ8372
 
Page of