Copyright 2010© All Rights Reserved This is the Official Website of Gasket Facotry Branch of AL-IMAN Factories Co.  Graphics Designs, Animation, and Scripting are copyrighted by the author.   http://www.imangaskets.com General Characteristics and Applications METAL JACKETED GASKETS  Metal jacketed gaskets comprise of a thin metallic  outer shell enclosing a resilient filler material. The  gaskets metal case protects the resilient filler and is  resistant to pressure, temperature and corrosion.  Metal jacketed gaskets are hand made and are available in  many shapes and sizes with a selection of metals and fillers  available. Internal ribs of any configuration are available.  IDJ1  The most popular style for heat exchangers, the double-jacketed gasket offers  complete protection of the filler material. There is practically no diameter  limitation, with greater compressability and resilience than a similar solid metal  gasket. This gasket provides even support by the use of the overlapped jacket on  the inside and outside diameters. Also, the outside lap helps to prevent excessive  distortion of light weight flanges. The most common filler used is graphite. A wide  range of metal and other filler materials are available if dictated by temperature,  pressure, or corrosive conditions. IDJ3  This gasket employs a metal filler rather than soft material. The result is greater  resistance to problems resulting from temperature changes. The range of  temperature is limited only by the metal selected  IDJ2  The corrugated style has increased resilience with the benefit of a number of  seal points. If a small leakage occurs across the inside edge, the corrugations  act as separate seals under moderate and even bolt loads.  IDJ4  This gasket is generally used for applications where narrow width is required.  The single jacket gasket with a soft filler protects both edges of the filler material.  It is an economical answer to many gasket needs. Single jacketed gaskets are  available with corrugated metal fillers.  IDJ6  A gasket with completely enclosed filler offering more filler protection than the  standard single gasket. Especially useful for applications requiring small flange  widths (to 1/8" ). Certain sizes may require tooling to produce  IDJ5  Affording the advantages of the standard double jacketed gasket, the double  shell style allows greater strength and rigidity by the addition of a completely  overlapping inner shell. This gasket has a minimum flange width of 1 /4", and  can be produced in almost any diameter. As with other heat exchanger gaskets,  there is a greater variety of available metals and filler materials.  IDJ7  A two piece French Style gasket is more readily available and easier to produce  than the one -piece French Style which requires expensive tooling. The soft filler  is exposed on the outside diameter and the minimum flange width is 1 /4". Size  of diameter is practically unlimited  IDJ8  This type of gasket combines advantages of metal shielding on the I.D. with a  thick, compressable layer of soft gasket material on either side of the metal.  Metal thickness is 26 gauge, tack welded together and then rolled over on the  I.D., acting as a shield. The layers of soft gasket materials are available in  various densities and thicknesses.  METAL JACKETED