GASKET, KLNGR C4401, 4.000" 300# FF

Part number 13850FF062B0400 is a green Klingersil C-4401 Class 300 full face Flange Gasket measuring a 4 inch nominal pipe size, a Class 300 pressure rating, and a thickness of 0.062 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, 0.062 THK.

Klingersil C-4401 is specified here for excellent torque retention and low creep relaxation, clean release and easy removal at teardown. Expect good resistance to steam and hot water, a broad range of process chemicals, and hydrocarbons. Applications involving strong oxidizing acids in some grades or service beyond the published pressure-temperature envelope call for a different compound.

Common environments for this compound include chemical processing, pulp and paper, and refining.

Order part number 13850FF062B0400, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.