• RTJ gaskets

RTJ gaskets

RTJ gaskets are designed to be housed in specific slots flanges for such sealing. They are especially suitable for very high pressures, up to 1000psi. The RTJ gasket material should be a little softer than the flange itself to avoid damage to their faces. This product can be in 4 different profiles, but the most common are Octagonal and Oval.

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  • Octagonal: For new flanges that do not require more than the minimum sealing point.
  • Oval: When the flanges have suffered wear and ensure tightness need more points.
  • RX: gaskets designed for pressures up to 700 bar, self-sealing using a pressure effect without tension, factor that improves the efficiency of gasket as the pressure increases.
  • BX: BX-specific RTJ flanges for pressures up to 1500 bar. The BX ring has a horizontal hole which acts as pressure equalizer.

Coestan has an emergency department up to 24 hours or scheduled deliveries at very competitive prices. The usual delivery time is 1 week. RTJ gaskets are manufactured according to API 6A and ASME B16.20-standards and are classified with a number, depending on the size and pressure must endure.

Standard materials hardness

MaterialDesignationHardness max. Brinell HB
Soft Iron D 90
Low Carbon Steel S 120
4-6 Chrome F5 130
SS304 S304 160
SS316 S316 160
SS347 S347 160
SS410 S410 170

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