4" RING CS SST FLGS IRD LESS FILL AND GAUGE 1/2" CONN. BUNA

This 4-inch carbon steel ISO-ring with stainless steel flanges and integrated relief device (IRD) provides flexible pressure monitoring for industrial applications. Featuring Buna-N cylinder seals, silicone oil fill, and customer-supplied gauge capability, this ISO-ring offers customization flexibility for specific monitoring requirements.

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
• Fill Fluid: Silicone oil for temperature stability
• Gauge: Customer-supplied gauge (gauge-ready)
• Cylinder Seal: Buna-N (natural rubber) for petroleum compatibility

Benefits:

• Stainless steel flanges provide excellent corrosion resistance
• IRD ensures automatic overpressure protection
• Silicone oil fill offers temperature stability and chemical compatibility
• Buna-N seals deliver excellent petroleum product compatibility
• Customer-supplied gauge allows custom pressure range selection
• Flexible configuration for specialized monitoring requirements

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