CORRUGATED GASKETS

FEATURE

    As the name suggests, the solid corrugated metal gasket is comprised solely of metal and does not contain any non-metallic fillers in its construction.

    The temperature limitation of the gaskets is therefore only effected by the metal selected.

    The corrugations provide multi-seals across the face of the gasket and inherent resilience.

    Excellent choice for 150# and 300# ASME flanges where available bolt loading is minimal.

    Direct replacements for spiral wound gaskets and can eliminate inward buckling issues at moderate flange stresses.

    Typically used for high temperature applications and applications involving steam, water, gas, oil etc and can go up to 1000 psi.

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CORRUGATED GASKETS


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Metallic Material selection for jacketed gaskets is exactly as same as for the above mentioned table: 1.03 for SPIRAL WOUND GASKETS.

SELECTION OF METALLIC MATERIAL FOR WINDING, INNER & OUTER RINGS


MATERIAL TEMPERATURE RANGE HARDNESS (BHN)REMARKS
CARBON STEEL -50 deg C TO 540 deg C 120 BHN MAX; 90 BHN MAX FOR SOFT IRON FOR GENERAL APPLICATIONS
SS 304 / L 540 deg C max 150 BHN MAX (SS304L); 160 BHN MAX (SS304) EXCELLENT CORROSION RESISTANCE
SS 316/ L 815 deg C max 160 BHN EXCELLENT CORROSION RESISTANCE
SS 321, SS 347 870 deg C max 160 BHN max Is subject to stress corrosion;reduced possibilities of intergranular corrosion
TITANIUM 540 degC max 215 BHN Excellent high temperature strength/ corrosion properties Excellent resistance to oxidation, nitriding and carborisation
INCONEL family 1095 deg C 150 BHN Excellent high temperature strength/ corrosion properties Excellent resistance to oxidation, nitriding and carborisation Suitable to alkaline and acid environments
MONEL 820 deg C 150 BHN HIGH RESISTANCE TO HYDRO FLURIC ACID
NICKEL 760 deg C 110 BHN HIGH RESISTANCE TO VARIOUS CHEMICALS AND CAUSTIC ALKALIES
HASTELLOY 1095 deg C 210 BHN Excellent corrosion resistance to both oxidizing and reducing media
ALUMINIUM 425 deg C 35 BHN EXCELLENT DUCTILTY AND WORKABILTY
COPPER 315 deg C 80 BHN General corrosion resistance
5 CR – ½ MO 650 deg C 130 BHN High temperature resistance

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