4" ISO-RING CS CS IRD PRPY GLY 0-100PSI GAUGE BUN

This 4-inch carbon steel ISO-ring with integrated relief device (IRD) delivers complete medium-pressure monitoring for petroleum applications. Featuring Buna-N cylinder seals, propylene glycol fill, and 0-100 PSI gauge, this ISO-ring provides freeze protection and accurate medium-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: 0-100 PSI medium-pressure gauge included
• Cylinder Seal: Buna-N (natural rubber) for petroleum compatibility

Benefits:

• IRD ensures automatic overpressure protection
• Propylene glycol fill prevents freezing in cold environments
• Buna-N seals offer excellent petroleum product compatibility
• 0-100 PSI gauge optimized for medium-pressure applications
• Complete turnkey solution ready for installation
• Ideal for cold climate petroleum operations

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