GASKET, SMOOTH RED RBR, 4.000" 150# FF

This Smooth Red Rubber Full Face FF Flange Gasket, 4 inch, Class 150, 1/8 inch Thick is made for full face flange applications where the gasket must cover the flange face and align with the specified size, material, pressure class, and thickness. The smooth red rubber material, FF full face geometry, Class 150 / 150 lb pressure class, 4 inch size, and 1/8 inch thickness support gasket selection for full face pipe flange connections. Red rubber wording is included because many buyers search for rubber flange gaskets by material, finish, face style, and thickness. The copy supports non-branded search intent around flange gasket selection, gasket kit identification, conduit sealing, and industrial sealing components. 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 150 / 150 lb pressure class. The product details help buyers connect the part to common searches for flange gaskets, gasket kits, industrial gasket materials, and maintenance replacement components.