GASKET, KLNGR C4401, 4.000" 150# FF

APG stocks the 13850FF250A0400, a green Klingersil C-4401 Class 150 full face Flange Gasket supplied with a 4 inch nominal pipe size, a Class 150 pressure rating, and a thickness of 0.25 inch. A flange gasket compresses between two pipe flanges under bolt load to create a leak-tight joint. This item is further identified as NPS, 0.250 THK.

As a material, Klingersil C-4401 is valued for clean release and easy removal at teardown, consistent thickness and density across the sheet. This material stands up to a broad range of process chemicals, hydrocarbons, and elevated flange loads. Verify compatibility before use with strong oxidizing acids in some grades or service beyond the published pressure-temperature envelope.

Common environments for this compound include steam and hot water systems, refining, and power generation.

Reference part number 13850FF250A0400 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.