GASKET, SMOOTH RED RBR, 4.000" 300# FF

Designed for gasketed flange connections, this Smooth Red Rubber Full Face FF Flange Gasket, 4 inch, Class 300, 1/8 inch Thick supports industrial sealing, equipment maintenance, and replacement gasket programs that require full face coverage. The gasket is defined by smooth red rubber construction, full face / FF geometry, Class 300 / 300 lb pressure class, 4 inch sizing, and 1/8 inch thickness for industrial flange sealing applications. Red rubber wording is included because many buyers search for rubber flange gaskets by material, finish, face style, and thickness. Typical purchasing contexts include MRO inventory, industrial sealing projects, replacement gasket sourcing, reseller stocking, and maintenance support for pipe flange assemblies. Source notes identify NPS, 0.125 THK, which has been retained in the generated product context where it helps distinguish the row. The product data identifies size 4 inch, thickness 1/8 inch, and Class 300 / 300 lb pressure class. It is appropriate for industrial buyers comparing gasket materials, flange formats, and replacement options for fluid handling, equipment maintenance, and plant operations. This helps industrial buyers compare gasket options by product type, material family, flange format, and maintenance use case.