• Multiseal® Low Friction Seals
What Makes Multiseal® Low Friction Seals Better?
  • A better seal - The multi-lobed design provides more sealing surfaces than standard O-Rings.
  • Increases life for the seal ring - With multiple seal points, less squeeze is required to provide an effective seal. This means less friction and wear which will increase seal life and lower maintenance costs.
  • Prevents spiral failure - The square cross sections resist distortion called "spiral twist" that may be encountered when using O-Rings.
  • Puts parting lines where they belong - Unlike an O-Ring, where the parting line is found on the only sealing surface, the parting lines of Multiseal® low friction seals and X-Ring compression seals are located in the center of the cross section away from the primary sealing surfaces.
  • Better lubricant retention - The grooves on the inside and outside diameter of these rings retain lubricant thereby lowering friction and extending packing life.
  • Saves space, reduces cost - One Multiseal® low friction seal can replace two U-Cups in many applications.
  • Less force, better seal - Lower breakaway force and reduced operating pressures make them ideal in reciprocating applications.
  • The right fit - Multiseal® low friction seals will fit in standard O-Ring grooves
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Item #

C/S (inches)

C/S Tolerance (±)

I.D. (inches)

I.D. Tolerance (±)

O.D. (REF) (inches)

Nominal C/S (inches)

Nominal I.D. (inches)

Nominal O.D. (inches)

N/A 0.210 N/A 0.005 N/A 3.975 N/A 0.028 N/A 4.395 N/A 3/16 N/A 4 N/A 4 3/8
N/A 0.210 N/A 0.005 N/A 4.100 N/A 0.028 N/A 4.520 N/A 3/16 N/A 4 1/8 N/A 4 1/2
N/A 0.210 N/A 0.005 N/A 4.225 N/A 0.030 N/A 4.645 N/A 3/16 N/A 4 1/4 N/A 4 5/8
N/A 0.210 N/A 0.005 N/A 4.350 N/A 0.030 N/A 4.770 N/A 3/16 N/A 4 3/8 N/A 4 3/4
N/A 0.210 N/A 0.005 N/A 4.475 N/A 0.030 N/A 4.895 N/A 3/16 N/A 4.5 N/A 4 7/8
N/A 0.210 N/A 0.005 N/A 4.600 N/A 0.030 N/A 5.020 N/A 3/16 N/A 4 5/8 N/A 5
N/A 0.210 N/A 0.005 N/A 4.850 N/A 0.030 N/A 5.270 N/A 3/16 N/A 4 7/8 N/A 5 1/4
N/A 0.210 N/A 0.005 N/A 5.475 N/A 0.037 N/A 5.895 N/A 3/16 N/A 5 1/2 N/A 5 7/8
N/A 0.210 N/A 0.005 N/A 6.350 N/A 0.040 N/A 6.770 N/A 3/16 N/A 6 3/8 N/A 6 3/4
N/A 0.210 N/A 0.005 N/A 6.475 N/A 0.040 N/A 6.895 N/A 3/16 N/A 6 1/2 N/A 6 7/8
N/A 0.210 N/A 0.005 N/A 7.225 N/A 0.045 N/A 7.645 N/A 3/16 N/A 7 1/2 N/A 7 5/8
N/A 0.210 N/A 0.005 N/A 7.975 N/A 0.045 N/A 8.395 N/A 3/16 N/A 8 N/A 8 3/8
N/A 0.275 N/A 0.006 N/A 4.475 N/A 0.033 N/A 5.025 N/A 1/4 N/A 4.5 N/A 5
N/A 0.275 N/A 0.006 N/A 4.850 N/A 0.033 N/A 5.400 N/A 1/4 N/A 4 7/8 N/A 5 3/8
N/A 0.275 N/A 0.006 N/A 4.975 N/A 0.037 N/A 5.525 N/A 1/4 N/A 5 N/A 5 1/2
N/A 0.275 N/A 0.006 N/A 5.225 N/A 0.037 N/A 5.775 N/A 1/4 N/A 5 1/4 N/A 5 3/4
N/A 0.275 N/A 0.006 N/A 5.350 N/A 0.037 N/A 5.900 N/A 1/4 N/A 5 3/8 N/A 5 7/8
N/A 0.275 N/A 0.006 N/A 5.475 N/A 0.037 N/A 6.025 N/A 1/4 N/A 5 1/2 N/A 6
N/A 0.275 N/A 0.006 N/A 5.975 N/A 0.037 N/A 6.525 N/A 1/4 N/A 6 N/A 6 1/2
N/A 0.275 N/A 0.006 N/A 6.225 N/A 0.040 N/A 6.775 N/A 1/4 N/A 6 1/4 N/A 6 3/4
N/A 0.275 N/A 0.006 N/A 6.475 N/A 0.040 N/A 7.025 N/A 1/4 N/A 6 1/2 N/A 7
N/A 0.275 N/A 0.006 N/A 6.975 N/A 0.040 N/A 7.525 N/A 1/4 N/A 7 N/A 7 1/2
N/A 0.275 N/A 0.006 N/A 7.475 N/A 0.045 N/A 8.025 N/A 1/4 N/A 7 1/4 N/A 8
N/A 0.275 N/A 0.006 N/A 7.975 N/A 0.045 N/A 8.525 N/A 1/4 N/A 8 N/A 8 1/2
N/A 0.275 N/A 0.006 N/A 8.475 N/A 0.055 N/A 9.025 N/A 1/4 N/A 8 1/2 N/A 9
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