"U" CUPS GROOVE DESIGN CHART
 

NOMINAL

ACTUAL

  

PISTON GROOVE

HOUSING GROOVE

  
PSI NO. I.D. O.D. I.D. O.D. MEAN DIA. Groove Diam. Groove Width Root Diam. Groove Width C/S GROUP
6226-1 1/8 1/2 .140± .005 .485± .005 5/16 .145 .219 .482 .219 I--3/16
6226-2 3/16 9/16 .203 .548 3/8 .208 .219 .545 .219
6226-3 1/4 5/8 .265 .610 7/16 .270 .219 .607 .219
6226-4 5/16 11/16 .328 .673 1/2 .333 .219 .670 .219
6226-5 3/8 3/4 .390 .735 9/16 .395 .219 .732 .219
6226-6 7/16 13/16 .453 .798 5/8 .458 .219 .795 .219
6226-7 1/2 7/8 .515 .860 11/16 .520 .219 .857 .219
6226-8 1/4 3/4 .265 .735 1/2 .270 .282 .732 .282 II--1/4
6226-9 5/16 13/16 .328 .798 9/16 .333 .282 .795 .282
6226-10 3/8 7/8 .390 .860 5/8 .395 .282 .857 .282
6226-11 7/16 15/16 .453 .923 11/16 .458 .282 .920 .282
6226-12 1/2 1 .515 .985 3/4 .520 .282 .982 .282
6226-13 9/16 11/16 .578 1.048 13/16 .583 .282 1.045 .282
6226-14 5/8 11/8 .640 1.110 7/8 .645 .282 1.107 .282
6226-15 11/16 13/16 .703 1.173 15/16 .778 .282 1.170 .282
6226-16 3/4 11/4 .765 1.235 1 .770 .282 1.232 .282
6226-17 13/16 15/16 .828 1.298 1 1/16 .833 .282 1.295 .282
6226-18 7/8 13/8 .890 1.360 1 1/8 .895 .282 1.357 .282
6226-19 15/16 17/16 .953 1.423 1 3/16 .958 .282 1.420 .282
6226-20 1 11/2 1.015 1.485 1 1/4 1.020 .282 1.482 .282
6226-21 11/16 19/16 1.078 1.548 1 5/16 1.083 .282 1.545 .282
6226-22 11/8 15/8 1.140 1.610 1 3/8 1.145 .282 1.607 .282
6226-23 13/16 111/16 1.203 1.673 1 7/16 1.208 .282 1.670 .282
6226-24 11/4 13/4 1.265 1.735 1 1/2 1.270 .282 1.732 .282
6226-25 11/4 17/8 1.265 1.860 1 9/16 1.270 .345 1.857 .345 III--5/16
6226-26 13/8 2 1.390 1.985 1 11/16 1.395 .345 1.982 .345
6226-27 11/2 21/8 1.515 2.110 1 13/16 1.520 .345 2.107 .345
6226-28 15/8 21/4 1.640 2.235 1 15/16 1.645 .345 2.232 .345
6226-29 13/4 23/8 1.765 2.360 2 1/16 1.770 .345 2.357 .345
6226-30 17/8 21/2 1.890 2.485 2 3/16 1.895 .345 2.482 .345
6226-31 2 23/8 2.015 2.610 2 5/16 2.020 .345 2.607 .345
6226-32 21/8 23/4 2.140 2.735 2 7/16 2.145 .345 2.732 .345
6226-33 21/4 27/8 2.265 2.860 2 9/16 2.270 .345 2.857 .345
6226-34 23/8 3 2.390 2.985 2 11/16 2.395 .345 2.982 .345
6226-35 21/2 31/8 2.515 3.110 2 13/16 2.520 .345 3.107 .345
6226-36 21/2 31/4 2.515 3.235 2 7/8 2.520 .407 3.232 .407 IV--3/8
6226-37 25/8 33/8 2.640 3.360 3 2.645 .407 3.357 .407
6226-38 23/4 31/2 2.765 3.485 3 1/8 2.770 .407 3.482 .407
6226-39 27/8 35/8 2.890 3.610 3 1/4 2.895 .407 3.607 .407
6226-40 3 33/4 3.015 3.735 3 3/8 3.020 .407 3.732 .407
6226-41 1/8 3/8 .135 .365 1/4 .140 .157 .362 .157 V--1/8
6226-42 3/16 7/16 .197 .427 5/16 .202 .157 .424 .157
6226-43 1/4 1/2 .260 .490 3/8 .265 .157 .487 .157
6226-44 5/16 9/16 .322 .552 7/16 .327 .157 .549 .157
6226-45 3/8 5/8 .385 .615 1/2 .390 .157 .612 .157
6226-46 7/16 11/16 .447 .677 9/16 .452 .157 .674 .157
6226-47 1/2 3/4 .510 .740 5/8 .515 .157 .737 .157
6226-48 5/8 1 .640 .984 13/16 .645 .219 .981 .219 I--3/16
6226-49 3/4 11/8 .765 1.109 15/16 .770 .219 1.106 .219
6226-50 7/8 11/4 .890 1.234 1 1/16 .895 .219 1.231 .219
6226-51 1 13/8 1.015 1.359 1 3/16 1.020 .219 1.356 .219
6226-52 11/8 11/2 1.140 1.484 1 5/16 1.145 .219 1.481 .219
6226-53 11/4 15/8 1.265 1.609 1 7/16 1.270 .219 1.606 .219

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Copyright © 1997 Pressure Seals, Inc. All rights reserved.
Revised: 5/13/97