Stub Flanges

Fiberglass stub flanges provide a reliable flanged connection for fiberglass piping systems and tank nozzles. Used with a backing ring and gasket, stub flanges create secure, serviceable connections that simplify equipment installation, maintenance, and future system modifications while maintaining excellent corrosion resistance.

Browse Stub Flange Categories

• BPO HETRON® 922 Stub Flanges
• DERAKANE® 470 Stub Flanges
• Machined Flanges
• MEKP HETRON® 922 Stub Flanges

Heartland Fiberglass Supply offers industrial-grade 12-inch fiberglass stub flanges manufactured to meet or exceed PS-15-69 requirements, resulting in a superior void-free laminate and resin-rich liner for dependable long-term performance. Our inventory also includes machined fiberglass flanges for applications requiring precision-machined sealing surfaces.

Choose from multiple corrosion-resistant resin systems, including HETRON® 922, DERAKANE® 411, DERAKANE® 470, and Isophthalic Polyester, allowing you to select the best material for your chemical, temperature, and service requirements. Current inventory availability is displayed on every product page so you can order with confidence.