Ordered as 13850RF062A4200, this is a green Klingersil C-4401 Class 150 ring face Flange Gasket supplied with a 42 inch nominal pipe size, a Class 150 pressure rating, and a thickness of 0.062 inch. The flange gasket seals a bolted flange connection across the full pressure rating of the class. This item is further identified as NPS, 0.062 THK.
Klingersil C-4401 is specified here for reliable sealing on flanges with modest surface finish, clean release and easy removal at teardown. The material holds up against a broad range of process chemicals, elevated flange loads, and hydrocarbons. It is not the right choice where strong oxidizing acids in some grades or service beyond the published pressure-temperature envelope are present.
It sees regular use in power generation, chemical processing, and refining.
This item is sold individually under part number 13850RF062A4200. Review your operating media and conditions against this specification before installation.
description GASKET, KLNGR C4401, 42.00" 150# RF
uf_description2 NPS, 0.062 THK
ProductCode Description Gaskets - Standard - Ring Face