X-Ring

X-Ring

X-Ring

Description
Materials: NBR, FKM
Colour: NBR 70, black, FKM 80, black

Operational application limits
Temperature NBR: -30 °C to +100 °C
Temperature FKM: -15 °C to +200 °C
Other materials such as VMQ, EPDM and H-NBR are also available, on request.

Pressure (MPa):  
dynamic, reciprocal movement to 5 MPa, to 20 MPa with back-up rings 
static to 5 MPa, to 40 MPa with back-up rings

Catalog X-Ring Download View

Speed (m/s): 
reciprocal ≤ 0.5
rotary ≤ 2

Function
X-rings are twin-action 4-lipped seals with an almost square cross-section profile. The X-rings achieves its sealing effect by being installed and compressed within an axial or radial installation housing. Under operating conditions, the pressure of the medium reinforces the sealing function.

Applications
X-rings are comparable with the O-ring in their handling and use. For example, they are used for the radial and axial sealing of flanges, sleeves and covers (static application) and for sealing pistons and rod seals, rotating shafts and helical movements (dynamic).

Benefits of using the X-ring (compared with the O-ring)

A high degree of stability for dynamic application, as the X-ring is not susceptible to rolling within the groove (twisting) due to its almost square cross-section.

X-rings require a lower degree of radial pretensioning. This gives rise to less abrasion due to the lower contact pressures in play.

It is possible for a lubricant reservoir to be created between the sealing lips.

d1 Size between 9.12 - 148.6 mm

d2 Size between 1.78 - 6.99 mm

Name d1 d2
Name d1 d2
XR - 9.25 x 1.78 9.25 1.78
XR - 17.16 x 1.78 17.16 1.78
XR - 9.19 x 2.62 9.19 2.62
XR - 10.78 x 2.62 10.78 2.62
XR - 15.54 x 2.62 15.54 2.62
XR - 20.29 x 2.62 20.29 2.62
XR - 26.64 x 2.62 26.64 2.62
XR - 34.59 x 2.62 34.59 2.62
XR - 45.69 x 2.62 45.69 2.62
XR - 61.6 x 2.62 61.6 2.62
XR - 9.12 x 3.53 9.12 3.53
XR - 17.04 x 3.53 17.04 3.53
XR - 18.64 x 3.53 18.64 3.53
XR - 23.4 x 3.53 23.4 3.53
XR - 24.99 x 3.53 24.99 3.53
XR - 28.17 x 3.53 28.17 3.53
XR - 29.75 x 3.53 29.75 3.53
XR - 31.34 x 3.53 31.34 3.53
XR - 34.52 x 3.53 34.52 3.53
XR - 32.92 x 3.53 32.92 3.53
XR - 37.69 x 3.53 37.69 3.53
XR - 44.04 x 3.53 44.04 3.53
XR - 47.22 x 3.53 47.22 3.53
XR - 53.57 x 3.53 53.57 3.53
XR - 56.74 x 3.53 56.74 3.53
XR - 66.27 x 3.53 66.27 3.53
XR - 107.54 x 3.53 107.54 3.53
XR - 26.34 x 5.33 26.34 5.33
XR - 29.51 x 5.33 29.51 5.33
XR - 39.2 x 5.33 39.2 5.33
XR - 40.65 x 5.33 40.65 5.33
XR - 43.82 x 5.33 43.82 5.33
XR - 50.16 x 5.33 50.16 5.33
XR - 53.34 x 5.33 53.34 5.33
XR - 56.52 x 5.33 56.52 5.33
XR - 62.87 x 5.33 62.87 5.33
XR - 69.22 x 5.33 69.22 5.33
XR - 75.57 x 5.33 75.57 5.33
XR - 78.74 x 5.33 78.74 5.33
XR - 88.27 x 5.33 88.27 5.33
XR - 135.9 x 5.33 135.9 5.33
XR - 148.6 x 5.33 148.6 5.33
XR - 126.37 x 6.99 126.37 6.99
XR - 129.54 x 6.99 129.54 6.99
XR - 135.9 x 6.99 135.9 6.99
XR - 145.42 x 6.99 145.42 6.99

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