4" ISO RING, CST BODY, CST , W/IRD, 1/2" CONNECTION, NO FILL, TFE CYLINDER

This 4-inch carbon steel ISO-ring with integrated relief device (IRD) provides overpressure protection without fill for custom configurations. Featuring TFE (PTFE) cylinder seals and 1/2 inch connection, this ISO-ring delivers maximum chemical resistance with customization flexibility for demanding applications.

Key Features:

• Size: 4 inch ISO connection
• Body Material: Carbon steel (CST) for strength
• Flange Material: Carbon steel (CST) for durability
• IRD: Integrated relief device for overpressure protection
• Connection: 1/2 inch gauge connection
• Configuration: No fill fluid (custom fill-ready)
• Cylinder Seal: TFE (PTFE) for maximum chemical resistance

Benefits:

• IRD ensures automatic overpressure protection
• No fill allows custom fluid selection for specific applications
• TFE seals offer industry-leading chemical compatibility
• 1/2 inch connection accommodates heavy-duty gauges
• Flexible configuration for specialized chemical applications
• Cost-effective design with premium chemical resistance

Perfect for chemical processing, aggressive media handling, and corrosive applications requiring customizable chemical-resistant pressure monitoring with overpressure protection in 4-inch ISO connections.