The Garvin Industries Rigid Expansion Coupling, 4 Inch (TXJG104HDG), is a robust solution for joining rigid conduit in environments subject to movement. This heavy-duty, hot dip galvanized coupling is designed for wet locations and provides up to 4 inches of linear movement, making it essential for outdoor structures exposed to thermal expansion and contraction.

Key Features and Benefits

• Accommodates up to 4" of linear movement (2" in either direction)
• Internal grounding eliminates the need for external bonding jumpers
• Prevents conduit buckling and circuit failures
• Hot dip galvanized finish for superior corrosion resistance
• UL listed for wet locations
• Weatherproof design for outdoor use
• Compatible with Rigid UL 6 Conduit

Specifications

• Size: 4"
• Material: Steel body, malleable iron reducer, PTFE composite packing, beryllium bronze grounding spring
• Finish: Hot dip galvanized
• Certifications: UL 514B, Fed. Spec WF-408E, NEMA FB 1, ASTM A123/123M
• Wet location rated

Common Uses

Ideal for bridges, railroads, buildings, and any outdoor structure where conduit is exposed to movement and harsh environments.