The 4" LFM115-74 150 S B from Watts Regulator Company is a robust pressure regulator designed for large-scale applications. With a maximum pressure rating of 150 PSI, this model is perfect for managing high flow rates in commercial and industrial environments. Its durable construction ensures long-lasting performance, while the standard ANSI connections facilitate easy installation. This regulator is engineered to maintain consistent pressure, making it ideal for water distribution systems and HVAC applications. Compliance with industry standards guarantees reliability and safety in operation.