While Canada Rubber Group Inc. (CRGI) supplies a wide array of gaskets for standard flange sizes and applications, we are sometimes called upon to custom fabricate large size gaskets for specialized applications. To service these applications, CRGI has manufactured large size gaskets from a variety of materials, sometimes exceeding 100 inches in outside diameter (OD), using advanced manufacturing techniques and methods.

CRGI Large Size Gaskets: Manufacturing Capabilities

Large size gaskets are gaskets that are larger than the maximum available sheet size. As such, they bring their own set of manufacturing challenges. Often, large size (sometimes called oversized) gaskets have to be manufactured in segments, with each segment bonded to the next, to achieve the final size.

To ensure uniform thickness of the gasket, CRGI employs a variety of joining techniques to ensure that connected segments do not bulge or vary in thickness. These techniques include butt-joining, dovetailing (sometimes called “puzzle locking”) and skiving.

Skiving is an advanced fabrication technique where material is cut off in bevelled slices along the edges to be joined. When two skived edges are mated, the result is a join where the overlapping material does not increase or decrease in thickness. At CRGI, we create single- and double-skived joints both by hand, or through the use of specialized equipment and machinery, as required.

At CRGI, we have long experience and expertise in skiving and bonding to produce large size gaskets that have both strength and uniform thickness. Depending upon the application to be serviced, we can chose from a variety of rubber bonding agents to ensure that bonded joints retain their strength under operating conditions.

CRGI Large Size Gaskets: Applications and Materials

Applications that we can service with large size gaskets include industrial applications involving large flanges and surfaces. These include the following:

CRGI can fabricate large size gaskets from a variety of rubber compounds. These include EPDM, SBR, Silicone, Nitrile, Butyl, Neoprene, Viton, and others. Material selection should be based upon the application being serviced, with consideration given to the media which must be supported, and key process parameters such as temperatures and pressures.

If you have an application which requires large size gaskets, CRGI is your supply partner of choice. Our manufacturing capability for the supply of large size gaskets is proven and extensive. To find out how we can service your large size gasket needs, please contact our sales department at crg@canadarubbergroup.com.

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