Most mechanical designers will primarily use standard o-rings when designing products, but when they cannot find available o-rings in standard o-ring sizes, they need to choose custom o-rings. Savvy has been in the OEM o-ring industry for many years and can design and produce custom rubber o-ring seals in various cross-sections and shapes.
Types of Custom O-Rings
Custom o-rings are mainly defined in terms of cross-section and outline shape.
1. If the cross-section is outside the range of the standard o-rings below, it is a custom o-ring.
|Country||Standard||Cross Section (mm)|
|Japan||JIS B 2401||1.9||2||2.4||3.1||3.5|
|Preferred Metric Sizes||1||1.5||2||2.5||3|
2. Even if the cross-section is within the range of the above standard o-rings, its outline shape is not round, but square, rectangular, or other irregular shapes, they are also called custom o-rings.
For the first custom o-ring, we only need to know its inner diameter (ID) and cross-section (CS), and then we can make a mold for production. For the second case, usually, the designer needs to design a drawing, and then send the drawing to us, so that we can make the mold and produce the products according to your drawing. If the customer cannot provide a drawing, we can also design it. Of course, this requires a lot of communication and close cooperation between the two parties to finally complete a perfect customized o-ring.
Due to the unconventional nature of custom o-rings, they are used in much less volume than standard o-rings, so their price is higher. Since Savvy has a strong cost control management, our price is always at a very low level in the China market while keeping the high quality.
Material, Hardness and Color
Application of Custom O-Rings
Although custom o-rings are used less frequently than standard o-rings, they are still popular in a wide variety of modern industries. These versatile rubber seals are commonly used in the following industries:
- Hydraulics & Pneumatic
- Oil and Gas
- Semiconductor Processing
- Food Processing
- Water Filtration
- Electronic Products
- Machinery Fabrications
- Plastic Sealing
- Medical Equipment
However, to reduce procurement costs and lead times, we recommend considering standard o-rings first.