Why Choose Us?
Rich Experience
SJK was founded in 1994, focusing on the R & D, production, and sales of special rubber seals, and mastering high-end sealing professional production technology.
High Standard Products
The company mainly produces O-ring, ED ring, rubber gasket, rubber strip, and other sealing products.
Complete Qualifications
The enterprise has obtained IATF16949 certification, and has professional experimental facilities, more than 100 sets of advanced production and testing equipment, modern ERP management system, etc.
One-stop Service
In production, SJK has rich experience in seal mold development, and can undertake the design and manufacture of special and complex seals to meet customized needs of customers for special products.
Definition of X-Ring Quad Ring
An X-ring, also known as a quad ring, is similar to an O-ring, the primary distinction being its cross-sectional shape. While an O-ring has a round cross-section, an X-ring has an X-shaped cross-section, hence the name. X-rings were developed to serve as enhancements to O-rings under certain conditions. Both X-rings and O-rings are double-acting seals, meaning they can seal in both directions.
-
Quad Ring
Size: Standard, or custom made. Color: Black, Brown, Green, as you need. Add to Inquiry -
Metric X Rings Sealing Technology
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry -
Molded Rubber X Ring
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry -
Professional Quad Rings Sealing
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry -
Standard Molded Quad Rings
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry -
Dynamic Static X-Rings
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry -
AS568 X Rings Seals
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry -
Perfluoro Elastomer FFKM X Ring
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry -
Quad Rings
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry -
Buna Quad Ring
Size: Standard, or custom made. Color: Black, Brown, Green, as you need. Hardness: Commonly is 75±5 Add to Inquiry -
Quad Ring Seal
Size: Standard, or custom made. Material: NBR, FKM, EPDM, HNBR, etc.. Add to Inquiry -
X Ring NBR
Size: Standard, or custom made. Color: Black, red, blue, as you need. Add to Inquiry
X ring, also named quad ring, is widely used, but it is mainly used for dynamic seal. Its standard size catalog is the same as AS 568.
NBR and FKM are two common material of quad ring, and manufactures will have in stock. Besides, Jiacheng New Material support other material or sizes custom made.
To learn more information about the quad ring, contact us.
The Advantages of X-Ring Quad Rings
Quad rings are a big step up in sealing technology. Here are the key benefits that make quad rings a go-to for keeping systems running smoothly and efficiently.
Enhanced Sealing Capabilities
The design of quad rings includes a unique multi-lobed shape that increases the sealing surface area compared to standard O-rings. This design allows for better stress distribution across the seal, enhancing its effectiveness and reducing the likelihood of deformation under pressure.
The ability of quad rings to maintain a robust seal under varying pressures is a key factor in their superiority, making them essential in environments where seal integrity is crucial.
Prolonged Seal Life
Quad rings are designed to endure. The design requires less compression to create an effective seal, reducing the wear and tear typically seen with standard O-rings.
This means that quad rings not only last longer but also hold up better against the rigors of continuous operation. The result is fewer maintenance requirements and lower overall operational costs, making quad rings a cost-effective solution for long-term applications.
Prevention of Spiral Failure
A common issue with standard O-rings, particularly in dynamic applications, is spiral failure. The X-profile of quad rings provides a more stable seal, significantly reducing the risk of this type of failure.
By preventing the seal from rolling or twisting within the groove, quad rings ensure a more reliable operation, particularly in systems with rotational or reciprocating motion.
Better Lubricant Retention
Quad rings feature innovative grooves on both their inner and outer diameters that effectively retain lubricant. This design ensures ongoing lubrication, minimizes friction, and extends the operational lifespan of the seal.
By keeping the seal well-lubricated, quad rings contribute to smoother, more efficient system operations and prevent common issues associated with high-friction environments.
Versatile Fit and Easy Replacement
Designed to fit seamlessly into standard O-ring grooves, quad rings offer a drop-in replacement for many applications, facilitating easy upgrades from less effective seals.
This compatibility is particularly advantageous for industries looking to enhance system reliability without the need for extensive modifications or new equipment investments.
How does An X-Ring Quad Ring Work?
X-Rings have a sealing function doubling that of an o-ring, and can be used in numerous static and dynamic sealing applications. Compared to a standard o-ring, the four-lobed X-Ring profile maintains twice the sealing surface. The double-seal action requires less squeeze to maintain an effective seal function. With a reduction in squeeze, this yields lower friction and prolonged seal life. To prevent leakage, which typically results from a parting line's irregular surface on an o-ring, the parting lines on an X-Ring are between the lobes, and away from the sealing surface.
X-Rings are also made to surpass the performance of a standard o-ring in rotary seal applications. The four-lobed design produces a more secure seal to counteract spiral twisting. 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. Please refer to our sizing charts for dimensions.
What Is The Difference Between X-Ring And O-Ring?
X-Rings, also known as Quad-Ring Seals, can be used in a wide variety of static and dynamic sealing applications. In reciprocating applications, the X-Ring four-lobed design prevents spiral failure and in rotary applications, it prevents the seal from bunching and failing.
The four-lobed design provides two sealing surfaces in comparison to a standard O-ring. The double-seal action requires less force to maintain an effective seal. This reduction in force means less friction and improved seal life.
X-Ring parting lines are between the lobes, away from the sealing surface, thus eliminating the problems of leakage often resulting from a parting line's irregular surface as found on an O-Ring. The unique design of the X-Ring allows it to be used in narrower grooves and also in standard width O-ring grooves.
What Is the Difference Between a X Ring Quad Ring and a Square Ring?
Quad Rings have an x-shaped profile, commonly called the X-ring, Q-ring, or by the trademarked name Quad Ring. Q Rings are four-lipped seals with a specially developed sealing profile that actually provides twice the number of sealing surfaces as a square cut ring. The four-lobed design not only provides lower fiction than an O-Ring and a square cut ring, but also, due to its square cross section, it resists spiral twist. Q Rings are available in a wide range of elastomer materials for both standard and special applications. When squeezed upon installation, they seal with the 4 small contact surfaces on the top and bottom. This contrasts with the square cut ring's comparatively larger single contact surfaces top and bottom. Q Rings are vulcanized as a continuous ring. Their dimensions are specified with the inside diameter and the cross-section. Q Rings are supplied to the American Standard AS-568A and are completely interchangeable with O-Rings in these sizes.
The recessed mold parting line provides no flash or parting line on the surface of the seal and ensures "zero leakage." What's more, a lubricant reservoir formed between the sealing lips improves performance at start-up. Twice the sealing surface means less radial squeeze is needed to create an effective seal resulting in less friction, less wear and longer service life.
Originally, square and rectangular cut rings were used in static applications as a direct replacement for O-Rings. They were considered an inexpensive, loose-tolerance alternative to molded O-Rings, though it is inferior to O-Rings in dynamic applications. Square rings can also be more difficult to install than O-Rings. Q Rings provide a superior seal and also more advantages than the square cut ring.
Choosing the Right X-ring Quad Ring Material
Selecting the correct X-ring isn't only about finding the right size and shape. The material from which the X-ring is made is equally critical. Each type boasts unique properties, making it suitable for certain applications. Further, the industry in which the X-ring will be used widely influences the choice of material.
Silicone X-rings are appreciated for their flexibility and resistance to various oils and solvents. They are food-safe, making them an excellent choice for the food and beverage industry. Their superior resistance to extreme temperatures ensures their performance, even in challenging conditions. For more information, visit our Silicone X-rings page.
Buna (Nitrile) X-rings are used widely due to their excellent resistance to oils and petroleum-based fluids. These X-rings also demonstrate remarkable resistance to wear and tear and can withstand a broad range of temperatures. This versatility makes them ideal for various industrial applications, including automotive and manufacturing sectors, where oil and fuel resistance is paramount. Learn more about nitrile X-rings.
Teflon X-rings stand apart when it comes to resistance to chemicals and temperatures. They are generally used in applications involving harsh chemical environments or those requiring a broad temperature range. Their inert nature makes them compatible with almost all industrial chemicals, making them the material of choice for many critical applications, particularly in the chemical industry.
How to Preserve X-Ring Quad Ring?
01/
Exposure to Sunlight
Direct or intensely reflected sunlight will damage your rubber products over time, due to their being affected by UV radiation. There are simple ways to avoid this where you store your X-rings: either store them in a windowless room or make sure they are stored in a sealed container that allows in no light whatsoever.
02/
Improper Storage Humidity
Humidity should be a concern as well, as moist environments are likely to invite mold and other compromising agents. What's worse is that mold can attract insects, which can also give you troubles. A good humidity range for storing your X-rings is between 40-70%. But this depends largely on the type of seal you're storing, so be sure to check the recommendations for storing your material.
03/
Exposure to Ozone
Ozone is highly reactive because of the instability (and thus reactivity) of its molecular structure. X-rings stored near anything which may produce o-zone will experience a decreased lifespan as the ozone causes them to deteriorate faster than regular air.
04/
Improper Storage Temperature
X-rings stored in excessively cold or excessively warm environments will experience compromised lifespans. A good general rule we abide is to store them at temperatures above 60 and 100-degrees Fahrenheit.
When Do You Use An X-Ring Quad Ring?
Choosing an X-ring over an O-ring can be beneficial in a number of situations, with these advantages applicable in both static and dynamic applications. The X-ring is commonly chosen as a superior alternative to the O-ring for several reasons, such as:
Prevention of Premature Leakage in Dynamic, Sliding Applications: One of the biggest issues with O-rings in sliding applications (such as piston or rod sealing) is that they have a tendency to twist.
This twisting can potentially create a leakage path, leading to premature failure. X-rings, due to their X-shaped cross-section, are less likely to twist, offering enhanced stability and, consequently, better sealing performance.
Extended Seal Life: X-rings have a lower friction coefficient compared to O-rings, which means less wear and longer service life. This is especially important in dynamic applications where the seal is constantly in motion.
More Sealing Efficiency: X-rings have four points of contact as opposed to two points in O-rings. This means that X-rings have twice the sealing surface in contact with the part, which makes them more efficient at preventing leaks.
Resistant to Extrusion and Spiral Failure: X-rings are more resistant to extrusion and spiral failure due to the larger surface area in contact with the hardware. This can be beneficial in high pressure applications.
More Tolerance to Lubrication Conditions: X-rings can handle a wider range of lubrication conditions, which makes them more versatile in various applications.
Our Factory
Zhejiang Jiacheng New Material Co.,Ltd. (SJK for short) was founded in 1994, focusing on the R & D, production, and sales of special rubber seals, and mastering high-end sealing professional production technology. The company mainly produces O-ring, ED ring, rubber gasket, rubber strip, and other sealing products.
As a leading enterprise in domestic fluorine material sealing industry, SJK always keeps in mind the enterprise mission of "Striving for maximum interests of enterprises and customers". At present, SJK has won the trust and recognition of many well-know customers at home and abroad, and its sales network has covered Europe, America, the Middle East, Southeast Asia, and other places. With the vision of "becoming a world famous seal brand", SJK keeps forging ahead, has the courage to shoulder social responsibility, and abides by the core values of "honesty, pragmatism, innovation, and win-win". Strive to build the first brand of high-end seals.
Video 1
Video 2
Video 3
Our Certificate
Ultimate FAQ Guide to X-Ring Quad Ring
