4" ISO-RING CS CS IRD PRPY GLY 0-60PSI GAUGE NATURAL RUBBER

This 4-inch carbon steel ISO-ring with integrated relief device (IRD) provides complete low-pressure monitoring for petroleum applications. Featuring natural rubber (Buna-N) cylinder seals, propylene glycol fill, and 0-60 PSI gauge, this ISO-ring delivers freeze protection and accurate low-pressure indication with overpressure protection.

Key Features:

• Size: 4 inch ISO connection
• Body Material: Carbon steel (CS) for strength
• Flange Material: Carbon steel (CS) for durability
• IRD: Integrated relief device for overpressure protection
• Fill Fluid: Propylene glycol for freeze protection
• Gauge: 0-60 PSI low-pressure gauge included
• Cylinder Seal: Natural rubber (Buna-N) for petroleum compatibility

Benefits:

• IRD ensures automatic overpressure protection
• Propylene glycol fill prevents freezing in cold environments
• Natural rubber seals offer excellent petroleum product compatibility
• 0-60 PSI gauge optimized for low-pressure applications
• Complete turnkey solution ready for installation
• Cost-effective design for cold climate low-pressure operations

Ideal for petroleum terminals, cold climate fuel handling, and industrial loading systems requiring low-pressure monitoring with freeze protection and overpressure protection in 4-inch ISO connections.