GASKET, KLNGR C4401, 2.500" 0.125 THK

This flange gasket is supplied in green Klingersil C-4401 Class 300/400/600 ring face supplied with a 2.5 inch nominal pipe size, a Class 300/400/600 pressure rating, and a thickness of 0.125 inch, catalogued under part number 13850RF125B0250FC. It compresses between two pipe flanges under bolt load to create a leak-tight joint.

Expect good resistance to steam and hot water, hydrocarbons, and a broad range of process chemicals. That behavior comes from the compound itself: Klingersil C-4401 is widely chosen for reliable sealing on flanges with modest surface finish and a calendered, compressed fiber structure bound with elastomer. Exposure to strong oxidizing acids in some grades or service beyond the published pressure-temperature envelope will shorten service life.

You will find this material specified across pulp and paper, chemical processing, and power generation.

13850RF125B0250FC ships individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.