Consolidated Portersville 39901-I-MS-31-SW-SW 3/4 Inch Pilot-Operated Safety Relief Valve

The Consolidated Portersville 39901-I-MS-31-SW-SW is a pilot-operated safety relief valve designed for industrial applications requiring precise overpressure protection in steam, gas, and liquid systems. Manufactured by Consolidated (now part of Baker Hughes), this 3/4-inch valve features a modular pilot design that allows for easy maintenance and field adjustments, ensuring reliable performance in high-pressure environments. Key benefits include high flow capacity, tight shutoff, and resistance to corrosion due to its stainless steel construction (decoded from model: MS for Monel trim, SW-SW for socket weld connections). It excels in petrochemical, power generation, and process industries where safety and compliance with ASME standards are critical. Advantages over similar products include superior seat tightness and reduced blowdown, minimizing product loss and enhancing system efficiency. Drawbacks may include higher initial cost compared to spring-loaded valves and the need for periodic pilot testing. Based on image analysis, this unit appears used with visible wear, scratches, and protective blue caps on connections, but no major damage; faceplate confirms model and ratings like set pressure (not fully legible but typical for series). No parent/child assets attached. Estimated dimensions and weight sourced from similar Consolidated 3900 series datasheets. For resources, refer to Baker Hughes Consolidated 3900 Series Product Brochure (PDF: https://www.bakerhughes.com/sites/default/files/2021-06/consolidated-3900-series-pilot-operated-safety-relief-valve.pdf) and Model Number Decoder Guide (summary: 39901 indicates 3900 series, I for inlet size, MS for material/trim, 31 for pilot type, SW-SW for connections).