High Capacity Leaded Pressure Relief Valves

Series 740 Boiler Pressure Relief Valves now come packaged with SentryPlus Alert® discharge line flood sensors for monitoring unwanted valve discharges once activated. Activating the sensor requires purchase of an additional connectivity kit to read the sensor and signal a building management system.

Series 740 valves provide higher capacity pressure protection for a variety of boiler equipment in various commercial applications. Valves are ASME rated.

• Packaged with SentryPlus Alert discharge line flood sensor
• Iron body
• NPTF female inlet and outlet connections
• Expanded outlets
• Above drain seat to prevent sediment from fouling the valve
• Non-mechanical seat-to-disc alignment will not stick or freeze
• Test lever
• Valve is designed for emergency safety relief and shall not be used as an operating control
• Pressure Range: 30 to 75psi (2 to 5 bar)
• Specification Sheet - 174A, 374, 740 PDF