What are X-rings used for?
What are X-rings used for?
X-rings (also known as quad rings or four-lobed seals) offer an alternative seal solution to O-rings for use in reciprocating dynamic or rotary applications. They are often used in applications where the seal is required to operate under lower pressure and temperature conditions.
What is an X Profile O-ring?
X-Rings Description Compared to a standard o-ring, the four-lobed X-Ring profile maintains twice the sealing surface. This allows the use of a narrower groove width than a standard o-ring groove, but can also be used in a standard o-ring groove. The X-Ring Cross-Section and ID are measured just like o-rings.
How are metric O-rings measured?
How to Measure O-Rings
- Place the O-ring on a clean, flat, level surface.
- Determine the inside diameter by using a ruler to measure from one inner edge to another.
- Use a ruler to measure the diameter, from one outer corner of the O-ring to the other outer corner.
- Finally, measure the cross-section.
What is a quad ring?
Quad-Ring® A variation of the standard O-ring, Trelleborg Quad-Rings® have an X-shaped cross section suitable for sealing a range of static and dynamic applications. This provides higher sealing efficiency and lower friction than conventional O-Rings. Quad-Ring® is a registered trademark of Quadion Corporation.
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How do you calculate O-ring groove size?
Groove Design: O-Ring Seals
- Calculate the O-Ring groove dimensions. Using the table above, determine the maximum recommended gland depth for your application.
- a. For a rod (shaft) seal:O-Ring Max Groove Diameter = Min Shaft Diameter + (2 x Recommended Gland Depth)
- b.
- c.
How do I find the right size O-ring?
O-Ring Size The size of an O-ring can be determined by measuring the diameters and the width of the cross-section. The measurement you will need to include are the internal diameter (ID), outside diameter (OD), and the cross-section width (CS).
Is size O-ring big?
Know & Measure Your Ring Size
| Ring Size (UK) | Circumference (mm) |
|---|---|
| N | 53.8 |
| O | 55.1 |
| P | 56.3 |
| Q | 57.6 |
How does a quad ring work?
Quad rings nearly have the same sealing principle as the O-ring sealing. However, they provide less friction than the conventional O-ring and there is no spiral twist. It eliminates the tendency to roll in the groove. The sealing is achieved by the diametrical squeeze in a right angled groove.
How do you size an o-ring?
The best way to size an o-ring is by measuring the CS (cross-section) and ID (inside diameter). For measuring the cross-section, it is best to use a caliper, a.k.a. micrometer. If you don’t have one available, various other sizing tools can be used to get a close estimate.
How wide should an o-ring groove be?
Cross Section & Groove Design Data
| Available Cross Sections for Encapsulated O-Rings & Groove Design Data | ||
|---|---|---|
| Inch | MM | Groove Width |
| .063±.004 | 1.60±0.10 | .087 |
| .070±.004 | 1.78±0.10 | .100 |
| .079±.004 | 2.00±0.10 | .111 |
What do O ring numbers mean?
The Hardness (75/75D or 90/90D): These numbers both represent the Durometer of the material, which is one of several measures of the hardness of a material. It will typically be a 70, 75, 80 or 90 for O-rings, although other hardness in materials are available upon special request.
When to use metric X rings for Oring?
The design is often used in place of an oring where there is twisting or rolling occurring to the oring. Metric X Rings 25mm ID x 32mm OD x 3.5mm CS X Ring X Rings Buna Nitrile rubber is considered the standard for most general applications.
What kind of rubber is in metric X rings?
Metric X Rings 25mm ID x 32mm OD x 3.5mm CS X Ring X Rings Buna Nitrile rubber is considered the standard for most general applications. Excellent resistance to petroleum based lubricants, hydraulic oils, gasoline, fuels and L.P. gases.
What is the size of an X ring?
For example, part number QN70230 is an X-Ring made with Nitrile material at 70 durometer in the 230 AS568 size. For more information or to request a quote on X-Rings, please give us a call at 832-448-5550 or submit the Product Inquiry Form. Prevents contorting in the groove.
What’s the difference between an O ring and an X ring?
X-Rings (also known as Quad Rings) have a sealing function doubling that of an o-ring, and can be used in a numerous static and dynamic sealing applications. Compared to a standard o-ring, the four-lobed Quad Ring profile maintains twice the sealing surface. The double-seal action requires less squeeze to maintain an effective seal function.
