Companion Flange Gasket - 4

Companion Flange Gasket - 4

This is a 4-inch, full-face style companion flange gasket designed to create a secure, leak-proof seal between two 150 lb. class flanges. It is used within the water systems of concrete batch plants to prevent leakage at pipe, valve, or meter connections. This gasket is a critical maintenance component, required for replacing old or failed seals during routine service or when repairing water line components. Its full-face design with 8 bolt holes ensures proper alignment and a reliable seal across the entire flange surface.

Key Features

• Designed for 4-inch nominal pipe size with 150 lb. ANSI flanges
• Full-face design provides complete sealing across the flange surface and ensures bolt hole alignment
• Features 8 bolt holes for secure and even fastening
• Commonly available in Red Rubber (SBR) or EPDM material
• EPDM variant is suitable for potable water systems (NSF-61 compliant)

Fits These Mixers

Vince Hagan, CMW, Con-E-Co, Erie Strayer, Stephens, Donaldson Torit. This is a standard gasket for 4-inch 150 lb. companion flanges found in the water systems of various concrete batch plants, including models from Vince Hagan, Con-E-Co, Stephens, and others. Specific OEM part numbers are not publicly listed; verification against the plant's manual or by contacting the OEM is recommended.

All measurements ± standard manufacturing tolerance.

Product descriptions are drafted with automated tools and reviewed as time allows. While we work to keep them accurate, specifications and fitment should be confirmed with a Customer Service specialist at 800-745-3414 before purchase. Found an error? Let us know and we’ll fix it.