4" ISO RING, CST BODY, CST , W/IRD, 1/2" CONNECTION, GLYCERINE FILL, EPT CYLINDER

This 4-inch carbon steel ISO-ring with integrated relief device (IRD) provides pressure monitoring for industrial applications. Featuring EPT (EPDM) cylinder seals, glycerine fill, and 1/2 inch connection, this ISO-ring delivers reliable performance for water, steam, and mild chemical applications with overpressure protection.

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
• Fill Fluid: Glycerine for damping and freeze protection
• Cylinder Seal: EPT (EPDM) for water and steam compatibility

Benefits:

• IRD ensures automatic overpressure protection
• Glycerine fill provides excellent gauge damping and freeze protection
• EPT seals offer excellent water, steam, and mild chemical compatibility
• 1/2 inch connection accommodates heavy-duty gauges
• Cost-effective solution for water and steam applications
• Ready for gauge installation and immediate operation

Ideal for water transfer, steam systems, and mild chemical applications requiring reliable pressure monitoring with overpressure protection in 4-inch ISO connections.