4" RING CS SST FLGS IRD LESS FILL AND GAUGE BUNA CYL.

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

Key Features:

• Size: 4 inch ISO connection
• Body Material: Carbon steel (CS) for strength
• Flange Material: Stainless steel (SST) for corrosion resistance
• 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:

• Stainless steel flanges provide excellent corrosion resistance
• IRD ensures automatic overpressure protection
• No fill or gauge allows complete customization
• Buna-N seals offer excellent petroleum product compatibility
• Flexible configuration for specialized petroleum applications
• Optimized design balances strength and corrosion resistance

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