GASKET, SMOOTH RED RBR, 4.000" 150# FF

13880FF125A0400FC is a Red Rubber, Smooth Finish Class 150 full face Flange Gasket measuring a 4 inch nominal pipe size, a Class 150 pressure rating, and a thickness of 0.125 inch. In service, this flange gasket fills the microscopic imperfections in flange faces so the joint holds pressure. Additional detail on this item: NPS, 0.125 THK.

Red Rubber, Smooth Finish offers reliable water and air sealing, good conformability on low-pressure flanges. It resists mild chemicals, water, and low-pressure service. It should not be specified for service in petroleum oils and fuels or ozone and direct sunlight.

You will find this material specified across low-pressure air service, water and wastewater, and HVAC ductwork.

Order part number 13880FF125A0400FC, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.