Garlock Graph-Lock 3128 Hochdruk Full-Face Gasket

GRAPH-LOCK® 3128 HOCHDRUCK® is a multi-layer, high strength sheet material composed of .020” thick layers of high purity flexible graphite (carbon >99.85%) and .002” thick layers of 316 stainless steel foil insert. It provides high compressive strength, blow-out resistance, excellent handling properties, and improved tightness.

•  Performance
• Min Temperature (F) -400°
• Max Temperature (F) 850°
• Max Pressure (PSI) 2000

• Features and Benefits
• Pure exfoliated graphite flake material excels in extreme conditions, withstanding heat, pressure, and aggressive chemicals
• Proven fire-safe
• Seals easily under moderate bolt load, offers superior torque retention
• Retains dimensional stability in high temperatures; seals tightly even during pressure fluctuations

• Material Datasheets
• Graph-Lock 3128 Hochdruk