Image 1 of 1 ForgeFit® Tri-Clamp Gasket (Silicone) - 2inch $0.00 Silicone gasket for 2" tri-clamp connection. Temperature rated from -58°F to 446°F. Quantity: Add To Cart Added! Silicone gasket for 2" tri-clamp connection. Temperature rated from -58°F to 446°F.