HEAT SHIELD
™
Gasket
Benefits
Outstanding fire resistance
â– Combination of graphite
filler and mica layers givesuperior
fire safety >
Ideal for oxidizing environments
â– Layers of pure mica protect graphite filler and resistoxidation â– Good choice for plant steam drums, hydrocarboncatcrackers, hydrogen units, and exhaust manifolds >
Seals with lower bolt loads
â– Relief tab design provides solid seating ofcentering ring face â– Withstands bolt load loss caused by thermalcycling â– Inner wrap construction eliminates radial buckling â– Prevents catastrophic failure and potential damageto downstream equipment due to wire unraveling >
Construction Specifications
â– Heat-resistant graphite filler Temperature, max.:1250 ° F (677 ° C)Flange class:150 to 600 lb.
Pipe diameters:2" to 24"; specials available â– Heat- and oxidation-resistant pure mica filler â– Spiral-wound wires, of a choice of commerciallyavailable metals â– Rings of any standard metal, including INCONEL*X750 >
GasketGasketGasket Style and MaterialFactorFactor Flexible GraphiteFiller "M""Y" (psi) Traditional spiral wound gasket—3.0010,000 304 SS and flexible graphite Mica Filler Mica Filler Garlock spiral wound gasket3.007,500 OuterRing WARNING: Wire Properties/applications shown throughout this brochure are typical. Your specific appli-cation should not be undertaken without independent study and evaluation for suitabil-
ity. For specific application recommendations consult Garlock. Failure to select the proper
sealing products could result in property damage and/or serious personal injury.Performance data published in this brochure has been developed from field testing,customer field reports and/or in-house testing.While the utmost care has been used in compiling this brochure, we assume no respon-sibility for errors. Specifications subject to change without notice. This edition cancels
all previous issues. Subject to change without notice. *INCONEL is a registered trademark of Inco Alloys International, Inc. D-6