Corrugated Metal Gasket

STYLE 905


 

Style 905 Metalbest is a corrugated gasket style 900 metal core with Flexible Graphite facings as shown in Figure A. It combines the sealing properties of the Flexible Graphite with the extrusion resistance of the corrugated metal core. It is designed to maintain a positive seal through thermal cycling and shock load conditions. These gaskets have passed an industry fire test, a relative indicator of the gasket's ability to resist fire conditions.

Figure A


STYLE 905 Corrugated GASKETS FOR ASME B16.5 FLANGES

Style 905 gaskets with Flexible Graphite facings have gained popularity in the marketplace in Class 150 and 300 ASME B16.5 flanges due to its ability to seal at low bolt loads. Style 905 gaskets meet the Fugitive Emissions requirements, have been fire tested and approved according the requirements of the PVRC Fire Tightness Test (FITT) procedure and have been sealability tested per ROTT procedure. The PVRC design gasket constants 905 Gaskets with Flexible Graphite covering layers are as follows:

  • Gb: 90 psi
  • a: 0.547
  • Gs: 0.388 psi

  • The standard material for the metal core is 316 Stainless Steel. Other alloys are available upon request.


    STYLE 905 Corrugated GASKETS FOR HEAT EXCHANGERS

    One of the most frequent uses of Style 905 Metalbest Gaskets are in Shell and Tube Heat Exchangers, due to their ability of to avoid mechanical shearing problems associated other gasket types in heavy thermal cycling applications. The standard core material is 316 Stainless Steel and the covering layer is Flexible Graphite. Other alloys are available upon request. The gasket thickness before seating is 0.080 in (2 mm) and the other dimensions and shapes are per application.


    Edmonton

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    #4,  3110-51 Avenue NW
    Edmonton, AB   
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    Calgary

    Building B - Bay 25
    2419 52 Avenue SE
    Calgary, AB     
    T2C 4X7

    P 403.279.7007
    F 403.279.7992
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