3.5" 300# FF .125" THK C4401

Ordered as FLKC4401FF125B3.5, this is a Klingersil C-4401 Gasket Kit. The gasket kit consolidates matched sealing components into one part number. Additional detail on this item: Stud Flange Kit.

The material holds up against hydrocarbons, elevated flange loads, and a broad range of process chemicals. That behavior comes from the compound itself: Klingersil C-4401 is known for excellent torque retention and low creep relaxation, clean release and easy removal at teardown. Verify compatibility before use with service beyond the published pressure-temperature envelope or strong oxidizing acids in some grades.

Common environments for this compound include chemical processing, steam and hot water systems, and pulp and paper.

Order part number FLKC4401FF125B3.5, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.