Cap seal or channel seal made by Fluid Sealing Manufacturers one of the ancient forms of Teflon or polymer sealing in the seal sector. The product is easy to use, and instead of replacing the O-ring, it improved the product by reducing drag. Therefore, it made the pneumatic and hydraulic systems quieter and cooler. It has also optimized the overall product function.
Growth of Channel Seals Over the Years
Backup rings were first developed in the industry before the channel seals. Initially, the backup rings were made out of leather, mainly because it was easily available, and could be converted into any shape with simple stamps to get the backup ring out. These rings provided support to the O-ring, thereby permitting the O-ring to function at high pressures closing the Extrusion or "E" gap. It helps to save the O-ring from getting nibbled in the E gap and extends the life of O-rings.
The Fluid Sealing Manufacturers shared that the Teflon backup rings were a huge improvement, as the two backup rings provided support from both ends keeping the O-ring safe and running. The design is simple, but installation was a tedious task, which is why it is not seen nowadays. With CNC machining, an O-ring design in a complicated Teflon shape, and gave rise to the Cap seal or Channel seal. These came up with a number of benefits over the common backup rings.
What are the Advantages of Channel Seal?
The channel seal integrates the backup rings that protect the O-ring against extrusion. The non-rubber contact layer prevents drag and reduces friction. The heat of the system is also reduced as the friction is less. The seal is installed into standard 0,1, and 2 backup ring grooves. When space is at a premium, it is a tremendous advantage to the user even in a zero backup ring groove. To improve extrusion resistance and wear, the fillers are added with Teflon. Moreover, the installation is improved.
In the case of small applications, the grooves might need a split. To bring back the ring back to its early shape, there are several tools available to help. Fluid Sealing Manufacturers shared that no tools are required for installation. The thinness permits them to get back in shape. In case of the web cross section tears off, the seal reverts back to the O-ring, with the two backup rings to help support it. The Channel seal is widely utilized in the aerospace industry. The seal is also utilized in control systems where drag and friction in pneumatic systems are crucial.
Fluid Sealing Manufacturers shared that the CNC machines are designed to fit your desired hardware. Therefore channel seals are made in a way that fits any type of O-rings groove. With a little deeper groove, the thickness can be increased to make a change with leakage and improve wear life. The easy installation and flexibility of channel seals can easily fit in the O-rings without making any changes.
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