4.000" 150# RF (WHD)

This Klingersil C-4401 Ring Face RF Flange Gasket, 4 inch, Class 150, 1/8 inch Thick is intended for raised face flange applications where a ring face gasket or flange protector must match the required size, material, and thickness. The Klingersil C-4401 material, RF ring face format, Class 150 / 150 lb pressure class, 4 inch size, and 1/8 inch thickness support flange gasket selection for raised face pipe flange connections. Klingersil C-4401 is carried through as the material name so buyers searching for Klingersil gasket material can match the part to the source specification. For buyers comparing similar products, the material, size, face style, class, and thickness details help narrow the selection without adding unsupported compatibility claims. Source notes identify NPS, 0.125 THK GASKET, KLNGR C4401, 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. Use it for replacement gasket programs, MRO stocking, reseller catalog enrichment, and product pages that need non-branded search terms without relying on unsupported performance claims.