• 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)

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N/A 0.139 N/A 0.004 N/A 0.171 N/A 0.005 N/A 0.449 N/A 1/8 N/A 3/16 N/A 7/16
N/A 0.139 N/A 0.004 N/A 0.234 N/A 0.005 N/A 0.512 N/A 1/8 N/A 1/4 N/A 1/2
N/A 0.139 N/A 0.004 N/A 0.301 N/A 0.005 N/A 0.579 N/A 1/8 N/A 5/16 N/A 9/16
N/A 0.139 N/A 0.004 N/A 0.359 N/A 0.005 N/A 0.637 N/A 1/8 N/A 3/8 N/A 5/8
N/A 0.139 N/A 0.004 N/A 0.421 N/A 0.005 N/A 0.699 N/A 1/8 N/A 7/16 N/A 11/16
N/A 0.139 N/A 0.004 N/A 0.484 N/A 0.005 N/A 0.762 N/A 1/8 N/A 1/2 N/A 3/4
N/A 0.139 N/A 0.004 N/A .546 N/A 0.007 N/A 0.824 N/A 1/8 N/A 9/16 N/A 13/16
N/A 0.139 N/A 0.004 N/A 0.609 N/A 0.009 N/A 0.887 N/A 1/8 N/A 5/8 N/A 7/8
N/A 0.139 N/A 0.004 N/A 0.672 N/A 0.009 N/A 0.950 N/A 1/8 N/A 11/16 N/A 15/16
N/A 0.139 N/A 0.004 N/A 0.734 N/A 0.010 N/A 1.012 N/A 1/8 N/A 3/4 N/A 1
N/A 0.139 N/A 0.004 N/A 0.796 N/A 0.010 N/A 1.074 N/A 1/8 N/A 13/16 N/A 1 1/16
N/A 0.139 N/A 0.004 N/A 0.859 N/A 0.010 N/A 1.137 N/A 1/8 N/A 7/8 N/A 1 1/8
N/A 0.139 N/A 0.004 N/A 0.921 N/A 0.010 N/A 1.199 N/A 1/8 N/A 15/16 N/A 1 3/16
N/A 0.139 N/A 0.004 N/A 0.984 N/A 0.010 N/A 1.262 N/A 1/8 N/A 1 N/A 1 1/4
N/A 0.139 N/A 0.004 N/A 1.046 N/A 0.010 N/A 1.324 N/A 1/8 N/A 1 1/16 N/A 1 5/16
N/A 0.139 N/A 0.004 N/A 1.109 N/A 0.012 N/A 1.387 N/A 1/8 N/A 1 1/8 N/A 1 3/8
N/A 0.139 N/A 0.004 N/A 1.171 N/A 0.012 N/A 1.449 N/A 1/8 N/A 1 3/16 N/A 1 7/16
N/A 0.139 N/A 0.004 N/A 1.234 N/A 0.012 N/A 1.512 N/A 1/8 N/A 1 1/4 N/A 1 1/2
N/A 0.139 N/A 0.004 N/A 1.296 N/A 0.012 N/A 1.574 N/A 1/8 N/A 1 5/16 N/A 1 9/16
N/A 0.139 N/A 0.004 N/A 1.359 N/A 0.012 N/A 1.637 N/A 1/8 N/A 1 3/8 N/A 1 5/8
N/A 0.139 N/A 0.004 N/A 1.421 N/A 0.012 N/A 1.699 N/A 1/8 N/A 1 7/16 N/A 1 11/16
N/A 0.139 N/A 0.004 N/A 1.484 N/A 0.015 N/A 1.762 N/A 1/8 N/A 1 1/2 N/A 1 3/4
N/A 0.139 N/A 0.004 N/A 1.609 N/A 0.015 N/A 1.887 N/A 1/8 N/A 1 5/8 N/A 1 7/8
N/A 0.139 N/A 0.004 N/A 1.734 N/A 0.015 N/A 2.012 N/A 1/8 N/A 1 3/4 N/A 2
N/A 0.139 N/A 0.004 N/A 1.859 N/A 0.018 N/A 2.137 N/A 1/8 N/A 1 7/8 N/A 2 1/8
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