4" ISO-RING CS CS IRD LESS FILL LESS GAUGE BUN

This 4-inch carbon steel ISO-ring with integrated relief device (IRD) provides overpressure protection without fill or gauge for complete custom configurations. Featuring Buna-N cylinder seals, this ISO-ring offers petroleum compatibility with maximum customization flexibility.

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
• Configuration: No fill fluid or gauge (custom-ready)
• Cylinder Seal: Buna-N (natural rubber) for petroleum compatibility

Benefits:

• IRD ensures automatic overpressure protection
• No fill or gauge allows complete customization
• Buna-N seals offer excellent petroleum product compatibility
• Maximum flexibility for specialized monitoring requirements
• Ready for custom fill, gauge, and instrumentation installation
• Cost-effective design for petroleum applications

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