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GRAPH-LOCK® 3123: 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.

Nominal Pipe Size: 1-1/4
Pressure Rating (lbs): 150
Flange Standard (ASME): ASME B16.5
Thickness (In.): 1/16
Inner Diameter (In.): 1.660
Outer Diameter (In.): 4.630