GASKET, SMOOTH RED RBR, 12.00" 300# RF

13880RF125B1200 is a red Red Rubber, Smooth Finish Class 300 ring face Flange Gasket measuring a 12 inch nominal pipe size, a Class 300 pressure rating, and a thickness of 0.125 inch. In service, this flange gasket compresses between two pipe flanges under bolt load to create a leak-tight joint. Supplementary detail from the product record: NPS, 0.125 THK.

The material holds up against water, low-pressure service, and mild chemicals. That behavior comes from the compound itself: Red Rubber, Smooth Finish is valued for reliable water and air sealing, easy cutting and fabrication in the field. Verify compatibility before use with petroleum oils and fuels or high-temperature service.

Common environments for this compound include HVAC ductwork, low-pressure air service, and general plant maintenance.

This item is sold individually under part number 13880RF125B1200. 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.