O-rings
O-rings seal valves, adapters and fittings against the medium and against compressed air. They are the smallest part in a dispensing system and the first to fail. They are selected by size and by the elastomer that suits the medium.
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Frequently Asked Questions
Whether an O-ring can be reused depends on its condition and the application. After opening a connection, it should be checked for deformation, swelling, cracks and other damage. For safety-critical or process-critical sealing points, preventive replacement may be advisable.
Based on the dispensed medium and the cleaning agent used. Both come into contact with the seal and must therefore be considered when selecting the material.
An O-ring can swell or change its elastic properties due to contact with the medium. This can affect the seal in the groove even though no visible damage can be seen from the outside. Chemical compatibility between the elastomer and the medium is therefore essential.
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