• Pile of X-Ring Seals
What Makes X-Ring Seals Better?
  • Twice the Sealing Surface - Multi-lobed design provides more sealing surfaces than standard O-Rings.
  • Prolonged Seal Life – With multiple seal points, less squeeze is required to provide an effective seal. Less friction and wear will increase seal life and lower maintenance costs.
  • Prevents Spiral Failure - The “X” profile creates a stable seal that is more resistant to rolling in a groove than an O-Ring when used in a dynamic application.
  • Reduced Leakage - Parting lines of X-Ring seals are located in the valley between the lobes away from the critical sealing surface.
  • Better Lubricant Retention - Grooves on the inside and outside diameter of these rings retain lubricant thereby lowering friction and extending packing life.
  • Less Force, Better Seal - Lower breakaway forces and reduced operating pressures make them ideal in reciprocating applications.
  • The Right Fit - X-Rings will fit in standard O-Ring grooves for most applications.
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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 0.139 N/A 0.004 N/A 4.234 N/A 0.030 N/A 4.512 N/A 1/8 N/A 4 1/4 N/A 4 1/2
N/A 0.139 N/A 0.004 N/A 7.484 N/A 0.045 N/A 7.762 N/A 1/8 N/A 7 1/4 N/A 7 3/4
N/A 0.139 N/A 0.004 N/A 7.734 N/A 0.045 N/A 8.012 N/A 1/8 N/A 7 3/4 N/A 8
N/A 0.139 N/A 0.004 N/A 9.156 N/A 0.050 N/A 9.434 N/A 1/8 N/A N/A
N/A 0.139 N/A 0.004 N/A 7.173 N/A 0.040 N/A 7.419 N/A 1/8 N/A N/A
N/A 0.210 N/A 0.005 N/A 0.600 N/A 0.009 N/A 1.020 N/A 3/16 N/A 5/8 N/A 1
N/A 0.210 N/A 0.005 N/A 1.100 N/A 0.012 N/A 1.520 N/A 3/16 N/A 1 1/8 N/A 1 1/2
N/A 0.210 N/A 0.005 N/A 1.225 N/A 0.012 N/A 1.645 N/A 3/16 N/A 1 1/4 N/A 1 5/8
N/A 0.210 N/A 0.005 N/A 1.350 N/A 0.012 N/A 1.770 N/A 3/16 N/A 1 3/8 N/A 1 3/4
N/A 0.210 N/A 0.005 N/A 1.475 N/A 0.015 N/A 1.895 N/A 3/16 N/A 1 1/2 N/A 1 7/8
N/A 0.210 N/A 0.005 N/A 1.600 N/A 0.015 N/A 2.020 N/A 3/16 N/A 1 5/8 N/A 2
N/A 0.210 N/A 0.005 N/A 1.725 N/A 0.015 N/A 2.145 N/A 3/16 N/A 1 3/4 N/A 2 1/8
N/A 0.210 N/A 0.005 N/A 1.850 N/A 0.015 N/A 2.270 N/A 3/16 N/A 1 7/8 N/A 2 1/4
N/A 0.210 N/A 0.005 N/A 1.975 N/A 0.018 N/A 2.395 N/A 3/16 N/A 2 N/A 2 3/8
N/A 0.210 N/A 0.005 N/A 2.100 N/A 0.018 N/A 2.520 N/A 3/16 N/A 2 1/8 N/A 2 1/2
N/A 0.210 N/A 0.005 N/A 2.225 N/A 0.018 N/A 2.645 N/A 3/16 N/A 2 1/4 N/A 2 5/8
N/A 0.210 N/A 0.005 N/A 2.350 N/A 0.018 N/A 2.770 N/A 3/16 N/A 2 3/8 N/A 2 3/4
N/A 0.210 N/A 0.005 N/A 2.475 N/A 0.020 N/A 2.895 N/A 3/16 N/A 2 1/2 N/A 2 7/8
N/A 0.210 N/A 0.005 N/A 2.600 N/A 0.020 N/A 3.020 N/A 3/16 N/A 2 5/8 N/A 3
N/A 0.210 N/A 0.005 N/A 2.725 N/A 0.020 N/A 3.145 N/A 3/16 N/A 2 3/4 N/A 3 1/8
N/A 0.210 N/A 0.005 N/A 2.850 N/A 0.020 N/A 3.270 N/A 3/16 N/A 2 7/8 N/A 3 1/4
N/A 0.210 N/A 0.005 N/A 2.975 N/A 0.024 N/A 3.395 N/A 3/16 N/A 3 N/A 3 3/8
N/A 0.210 N/A 0.005 N/A 3.100 N/A 0.024 N/A 3.520 N/A 3/16 N/A 3 1/8 N/A 3 1/2
N/A 0.210 N/A 0.005 N/A 3.225 N/A 0.024 N/A 3.645 N/A 3/16 N/A 3 1/4 N/A 3 5/8
N/A 0.210 N/A 0.005 N/A 3.350 N/A 0.024 N/A 3.770 N/A 3/16 N/A 3 3/8 N/A 3 3/4
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