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In most countries, usage of Asbestos is banned, and many industries are trying to switch to other eco-friendly alternatives. However, many are unaware that CAF stands for Compressed Asbestos Fibre or Carcinogenic Asbestos Fibre.
An engineer should consider Continuous Operating Conditions instead of Max Operating conditions while selecting a gasket for their sealing joints.
It is always recommended to use Less Thick sealing material when the equipment is new for the efficient performance of a system. However, after the ageing of equipment and inevitable wear and tear, the thickness can be increased to fill the abrupt surface finish.
Always ask for Both Torquing values from the gasket supplier and make sure the maintenance engineer adapts the same values for minimizing the leak chance.
Most of the gasket materials are certified by third parties for their applications. For example, WRAS certified products are safe for water application, and the supplier must provide the same with the material.
As per standard, the supplier should only produce the Material Test Report of Jointing sheets of 2mm thick, whereas many suppliers get the material tested on 3mm thick to improve their numerical specification.
Most of the suppliers have in-house cutting facilities; it is always recommended to buy Gaskets as per your design, which is time-saving and cost-effective from a procurement point of view.
Buyers should ask for certified products before comparing one to one characteristics of the sealing material as the specifications can be manipulated by misinterpreting the standards.
As per standard, soft gaskets should not be used with wire or metal inserts, as it is more vulnerable for leaks, except for graphite-based material.
Graphite Sheet is pure graphite material with more than 99% purity; on the other hand, Graphite Coated is just a tiny negligible layer of graphite on the material.