Conbraco 19-KGFA-150 Valve

The Conbraco 19-KGFA-150 is a high-capacity ASME Section I steam pressure relief valve engineered for power boiler applications. Featuring a 1-1/4" MNPT inlet and a 1-1/2" FNPT outlet, this National Board certified safety valve is factory set at 150 PSI, delivering a discharge capacity of 4,240 lbs/hr. The construction utilizes brass trim and a Teflon (PTFE) seat, ensuring a positive seal and resistance to scale build-up in high-temperature steam environments. The top-guided design and rugged bronze body provide high discharge coefficients and reliable pop-action performance during overpressure events. For contractors managing industrial steam systems, this valve meets strict boiler safety codes while maintaining tight tolerances. Its stainless steel spring and heavy-duty casting make it a preferred choice for HVAC steam distribution and process heating maintenance where overpressure protection is non-negotiable.

Key Benefits

• ASME Section I V stamp approved for use on power boilers and high-pressure steam lines.
• Teflon seat provides superior leak protection and resists sticking compared to metal-to-metal surfaces.
• High flow capacity of 4,240 lbs/hr ensures rapid pressure reduction during critical surges.
• Rugged bronze construction resists corrosion and maintains structural integrity under thermal stress.
• Top-guided design ensures perfect alignment of the nozzle and disc for consistent opening and closing.

Common Questions

What is the difference between Section I and Section IV relief valves?
The Conbraco 19-KGFA-150 is a Section I valve, specifically designed for high-pressure power boilers. Unlike Section IV valves used for low-pressure heating boilers, this unit is built to handle the rigorous demands and higher temperatures of power steam applications.

Can the 150 PSI setting be adjusted in the field?
No, steam safety valves are factory set and sealed to comply with National Board requirements. Altering the set pressure in the field voids the certification and can compromise system safety.

Is the 1-1/4" MNPT inlet compatible with standard pipe fittings?
Yes, the 1-1/4" male NPT inlet and 1-1/2" female NPT outlet are standard sizes, allowing for direct installation onto steam headers and discharge piping without proprietary adapters.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.