54681 Spirax Sarco Regulator

Part number 54681 from Spirax Sarco, listed in Valves & Process Control. KKM Solutions quotes this part with pricing and availability confirmed per order.

The Spirax Sarco 54681 3 in. 25 ANSI 125 Flange Regulator CAST IRON Overview The Spirax Sarco 54681 is a precision pressure regulator built for steam and gas service. It belongs to Spirax’s high-performance regulator lineup, delivering stable downstream pressure control under varying load conditions. With robust construction and modular pilot design, the 54681 is suitable for demanding industrial environments. Features Self-actuated pressure regulation for steam or gas service Balanced valve design to reduce seat friction Modular pilot section, allowing field changes or maintenance Adjustable control spring ranges for varied outlet pressure setpoints Cast body construction with durable internal trim Low-leakage shutoff to prevent overpressure Horizontal installation preferred for stability Easy maintenance access via top cover Designed for industrial use in boiler and process systems Specifications Specification Details Model 54681 Type Self-actuated pressure regulator Media Steam or gas Body Material Cast construction Valve Design Balanced poppet / balanced seat Maximum Operating Pressure Up to moderate industrial steam / gas limits (specific value in manufacturer datasheet) Outlet Range Options Multiple pilot spring ranges available Shutoff Class Low leakage shutoff Mounting Horizontal orientation preferred Trim Material Stainless and alloy materials suitable for steam/gas environment Adjustment External adjusting screw / control spring Service Top-access for internal parts replacement Typical Applications Steam pressure control, gas regulation, burner station pressure control Applications The Spirax Sarco 54681 regulator is used in systems requiring precise downstream pressure control, such as: Main steam distribution regulation Protecting downstream equipment from overpressure Gas supply regulation in burners and combustion controls Pressure control for process equipment and heat exchangers Industrial and commercial boiler installations Its flexibility and durability make it suitable for modern piping systems and retrofit applications.