Sigma SFA4 4 in. Mechanical Joint Ductile Iron PVC Pipe and Valves Restrained Flange Adapter

Product Description

The Sigma SFA4 is a 4-inch mechanical joint ductile iron PVC pipe and valves restrained flange adapter. This adapter serves as a dismantling joint and is ideal for service and maintenance needs. It provides a pressure rating equal to the pipe with a safety factor of 2 to 1. The design allows for slight variations in field-cut pipes.

• Complies with ANSI/AWWA standards.
• No special tools needed for installation or removal.
• Slotted bolt hole design simplifies the installation process.

Product Highlights

This adapter accommodates pipe misalignment and features an O-ring on the flange face for improved sealing.

Product Information

Standard Information

• Brand: Sigma
• MPN: SFA4

Technical Specifications

• Material: Ductile Iron
• Weight: 13 lb.
• Application: Mechanical Joint Applications
• Maximum Pressure Rating: 350 PSI
• Specifications Met: ANSI/AWWA C153/A21.53, C111/A21.11, C115/A21.15
• Flange Finish: Red Primer with Electro-Deposition Undercoating