GASKET, SMOOTH RED RBR, 4.000" 300# RF

Part number 13880RF125B0400FC is a red Red Rubber, Smooth Finish Class 300 ring face Flange Gasket built to a 4 inch nominal pipe size, a Class 300 pressure rating, and a thickness of 0.125 inch. A flange gasket fills the microscopic imperfections in flange faces so the joint holds pressure. This item is further identified as NPS, 0.125 THK.

As a material, Red Rubber, Smooth Finish is known for reliable water and air sealing, easy cutting and fabrication in the field. Expect good resistance to water, abrasion, and mild chemicals.

Common environments for this compound include low-pressure air service, HVAC ductwork, and water and wastewater.

Reference part number 13880RF125B0400FC when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.