GARLOCK graph-lock 3125SS

GRAPH-LOCK® 3125SS features laminated layers of 0.015” purified natural graphite flake. These flakes are acid-washed, heat-expanded, and then compressed into sheets with at least 98% graphite content. The sheet includes a 0.002” thick 316 stainless steel foil insert, bonded with a proprietary adhesive that constitutes less than 1% of the total laminated weight. The "SS" in the name often indicates that the material is designed for applications requiring higher temperature and pressure resistance, as well as enhanced corrosion resistance. Garlock 3125SS gaskets are commonly used in industries such as oil and gas, chemical processing, and manufacturing, where reliable sealing is essential to prevent leaks and maintain system integrity. With a reputation for consistent quality and performance, Garlock 3125SS is a trusted choice for critical connections that require durability and effective sealing.

 
 
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Stainless steel foil inserted graphite gasket sheet suitable for higher pressures, heat, and aggressive chemicals. This product seals tightly even during pressure fluctuations.

Tensile Strength (psi): 600

Temperature MAX: 850 degrees F continuous, 1200 degrees F (steam)

Pressure MAX: 2000 psi

P x T Max: 1/32", 1/16" 700,000, 1/8" 350,000

Color: Metallic gray, branded

Weight (SF, 1/8”): 0.87 lbs

Military Specification: Mil-DTL-24696 Type 1

Spec Sheet

 

 
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