Viton is a high-performance fluororubber material known for its excellent chemical resistance, high temperature resistance and weather resistance. Viton O-rings are widely used in many demanding industrial applications, and the Viton oring size chart is the key basis for accurately selecting the right Viton O-rings.

Viton oring size chart

2. Main contents of the size chart

Inner diameter

The inner diameter data in the size chart covers a wide range. From very small values, suitable for sealing in precision instruments and small equipment, to larger values, used for sealing large industrial pipelines and heavy machinery. For example, in some microelectronic devices, Viton O-rings with an inner diameter of 1-5 mm may be used to ensure the sealing of liquids or gases in a small space. In large chemical pipeline systems, the inner diameter may reach 50-100 mm or even larger.

Outer diameter

The outer diameter corresponds to the inner diameter, which is obtained by adding twice the cross-sectional diameter to the inner diameter. Accurate measurement and marking of the outer diameter helps determine the overall fit of the O-ring in the sealing structure. Different outer diameters can meet the requirements of various sealing groove sizes, ensuring that the O-ring can be effectively sealed after installation without excessive extrusion or poor sealing.

Cross-sectional diameter

The cross-sectional diameter is also an important parameter in the size chart. Common cross-sectional diameters are 1.5 mm, 2 mm, 3 mm, etc. Smaller cross-sectional diameters are suitable for use in low sealing pressures and limited space; while larger cross-sectional diameters can be used in situations with higher sealing pressures, such as high-pressure hydraulic systems. Viton O-rings with larger cross-sectional diameters can better resist the pressure of high-pressure fluids and prevent leakage.

3. Application significance

The Viton oring size chart provides precise selection guidance for engineers, technicians, and equipment maintenance personnel. When designing new equipment, engineers can select suitable Viton O-rings from the size chart based on the equipment's working environment (such as temperature, pressure, contact chemicals, etc.) and sealing structure requirements. During equipment maintenance and repair, technicians can quickly find replacement O-rings based on the size chart to ensure that the equipment quickly resumes normal operation and reduces downtime caused by sealing problems.

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Viton oring size chart

As the leading designer and manufacturer of rubber parts and seals, DESIOR Rubber has a wide range of products to meet all your sealing needs. From our vast o-ring inventory of virtually any shape and size to our complex, custom sealing solutions, we have precisely what you need for any sealing application.

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