Description: Die-moulded packing rings, Inmarco Ingraf DMR are offered by Inmarco Industries. Advantages: excellent service on valves and other rotating equipments with top and bottom header (bull/retainer) rings; universally used for dry applications devoid of any fluid film, between the rotating parts and the contact face of the packing; can be used as a complementary lubricatory sealing ring together with braided packings; easy installation and less wear; and the radiation resistance subscribes to nuclear applications. Construction: die-moulded endless or precut in custom densities; pressure seal ring, bonnet seals, soot blower seals are fabricated in various configurations as per drawings and dimensions; reinforcements as per specifications; contact for Inmarco braided bull rings used with Ingraf DMR; diemoulded from 100% pure flexible and texturised graphite tapes, the Ingraf DMR custom made rings offer precise dimensions, densities and sealing efficiency for critical applications involving rotary, centrifugal, reciprocating and static fluid handling equipments. Ingrafs excellent resistance to permeation and its ability to fill in the voids when undercompression, makes it a reliable sealing alternative even in gaseous mediums. Carbon content: min 99 % or more; chloride content less than 50 ppm; ash - 0.5% max; radiation resistance - 1.5 x 109 rads; density - 1.4 gm/cc, 1.6 gm/cc, 1.8 gm/cc, 2.0 gm/cc.
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