Due to its performance and component composition gasket materials "Grafnet" resistant to temperature and pressure, to protect the seal assemblies from depressurization and, as a result, prevent leaks and breaks the pipeline system. Such functional characteristics were made possible thanks to the combination of properties of two materials - elastic, chemically inert graphite and durable stainless steel.
Spiral wound gasket (DPR) "Grafnet" preserve the stability properties in a temperature range from -200 to +600 0C at a pressure up to 25 MPa.
The working surface SNP "Grafnet"in contact with the flange, created on the principle of "gramophone record": a metal tape coiled in a spiral, alternates with graphite filler and forms a V-shaped profile - based products.
During operation of the graphite layer spiral wound gaskets penetrates into the fine structure more rigid material of the flange, creating an effective seal, and the metal tape provides mechanical strength and stability of the strip.
The rough surface of the SNP "Grafnet" secures the gasket and prevents blowing pressure of liquids and gases.
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We offer to your attention a modern asbestos-free materials under its own brands: GRAFITEX, CERAMITEX, GrafMet.