What Makes X-Ring Seals Better?

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Twice the Sealing Surface — Multi-lobed design provides more sealing surfaces than standard O-Rings.

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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.

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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.

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Reduced Leakage – Parting lines of X-Ring seals are located in the valley between the lobes away from the critical sealing surface.

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Better Lubricant Retention – Grooves on the inside and outside diameter of these rings retain lubricant thereby lowering friction and extending packing life.

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Less Force, Better Seal – Lower breakaway forces and reduced operating pressures make them ideal in reciprocating applications.

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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 Tol +/-

I.D. (inches)

I.D. Tol +/-

O.D. (REF) (inches)

Nominal C/S (inches)

Nominal I.D. (inches)

Nominal O.D. (inches)

4444-020 N/A .070 N/A .003 N/A .864 N/A .009 N/A 1.004 N/A 1/16 N/A 7/8 N/A 1
4444-021 N/A .070 N/A .003 N/A .926 N/A .009 N/A 1.066 N/A 1/16 N/A 15/16 N/A 1 1/16
4444-022 N/A .070 N/A .003 N/A .989 N/A .010 N/A 1.129 N/A 1/16 N/A 1 N/A 1 1/8
4444-023 N/A .070 N/A .003 N/A 1.051 N/A .010 N/A 1.191 N/A 1/16 N/A 1 1/16 N/A 1 3/16
4444-024 N/A .070 N/A .003 N/A 1.114 N/A .010 N/A 1.254 N/A 1/16 N/A 1 1/8 N/A 1 1/4
4444-025 N/A .070 N/A .003 N/A 1.176 N/A .011 N/A 1.316 N/A 1/16 N/A 1 3/16 N/A 1 5/16
4444-026 N/A .070 N/A .003 N/A 1.239 N/A .011 N/A 1.379 N/A 1/16 N/A 1 1/4 N/A 1 3/8
4444-027 N/A .070 N/A .003 N/A 1.301 N/A .011 N/A 1.441 N/A 1/16 N/A 1 5/16 N/A 1 7/16
4444-028 N/A .070 N/A .003 N/A 1.364 N/A .013 N/A 1.504 N/A 1/16 N/A 1 3/8 N/A 1 1/2
4444-029 N/A .070 N/A .003 N/A 1.489 N/A .013 N/A 1.629 N/A 1/16 N/A 1 1/2 N/A 1 5/8
4444-030 N/A .070 N/A .003 N/A 1.614 N/A .013 N/A 1.754 N/A 1/16 N/A 1 5/8 N/A 1 3/4
4444-031 N/A .070 N/A .003 N/A 1.739 N/A .015 N/A 1.879 N/A 1/16 N/A 1 3/4 N/A 1 7/8
4444-032 N/A .070 N/A .003 N/A 1.864 N/A .015 N/A 2.004 N/A N/A N/A
4444-034 N/A .070 N/A .003 N/A 2.114 N/A .018 N/A 2.254 N/A 1/16 N/A 2 1/8 N/A 2 1/4
4444-042 N/A .070 N/A .003 N/A 3.239 N/A .024 N/A 3.379 N/A 1/16 N/A 3 1/4 N/A 3 3/8
5444-377 N/A .071 N/A .003 N/A .237 N/A .004 N/A .379 N/A N/A N/A
5444-4.173 N/A .079 N/A .003 N/A 4.016 N/A .028 N/A 4.173 N/A N/A N/A
5444-323 N/A .089 N/A .003 N/A .145 N/A .005 N/A .323 N/A N/A N/A
5444-403 N/A .089 N/A .003 N/A .225 N/A .005 N/A .403 N/A N/A N/A
5444-481 N/A .089 N/A .003 N/A .303 N/A .005 N/A .481 N/A N/A N/A
5444-488 N/A .094 N/A .003 N/A .299 N/A .005 N/A .487 N/A N/A N/A
4444-102 N/A .103 N/A .003 N/A .050 N/A .005 N/A .256 N/A 3/32 N/A 1/16 N/A 1/4
4444-103 N/A .103 N/A .003 N/A .081 N/A .005 N/A .287 N/A 3/32 N/A 3/32 N/A 9/32
4444-104 N/A .103 N/A .003 N/A .112 N/A .005 N/A .318 N/A 3/32 N/A 1/8 N/A 5/16
4444-105 N/A .103 N/A .003 N/A .143 N/A .005 N/A .349 N/A 3/32 N/A 5/32 N/A 11/32
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