GRAPH-LOCK® Style 3123/3125 Full Face Gasket, Graphite, 20 Inch ASME B16.5 Class 150, 0.060 Inch Thick, 20 Bolt Holes
37720-6120
- Gasket Type: Full Face
- Style/Model: Style 3123/3125
- Pipe Standard and Class: ASME B16.5 Class 150
- Compliances/Standards: REACH Compliant, RoHS Compliant
- Nominal Pipe Size Fraction (Inch): 20
- Thickness (inch): 0.060
- Composition: Graphite
- Temperature Range (F): -450°F - 850°F
- Temperature Range (C): -268°C - 454°C
- Pressure Max (psi): 2000
- Pressure Max (bar): 138
- Bolt Circle Diameter (Inch): 25.000
- Bolt Circle Diameter (mm): 635.00
- Bolt Hole Diameter (Inch): 1.250
- Bolt Hole Diameter (mm): 31.75
- Bolt Hole Quantity: 20
- Brand: GRAPH-LOCK®
- Color: Black
- Compliances: REACH Compliant, RoHS Compliant
- Fiber: Graphite
- Flange Standards/Pressure Class: ASME B16.5 Class 150
- Inside Diameter (Inch): 20.000
- Inside Diameter (mm): 508.00
- Max Temperature (C): 454
- Max Temperature (F): 850
- Min Temperature (C): -268
- Min Temperature (F): -450
- Nominal Pipe Size (inch): 20.000
- Nominal Pipe Size DN (mm): 500.0
- Outside Diameter (inch): 27.500
- Outside Diameter (mm): 698.50
- Pressure Class: 150
- Primary Nominal Thickness: 1/16 in
- Rubber Material: Graphite
- Rubber Material Abbreviation: Graphite
- Primary Dimensional Unit of Measure: Imperial
- Branding: Branded
- Thickness (mm): 1.52
The graphite flake has been acid washed, expanded under heat, and then compressed into sheets with a minimum graphite content of 98%. For thicknesses under 1/16” homogenous graphite is used. For thicknesses over 1/16” laminated graphite is used. The laminated graphite sheets are bonded with a proprietary adhesive. This adhesive makes up less than 1% of the total laminated weight.
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- Overview
Features and Benefits:
- Excellent resistance
- Pure exfoliated graphite flake material excels in extreme conditions, withstanding heat, pressure and aggressive chemicals
- Proven fire-safe
- Reliable
- Seals easily under moderate bolt load, offers superior torque retention
- Retains dimensional stability in high temperatures; seals tightly even during pressure fluctuations