Watts 41A Safety Relief Valve

The Watts Model 41A Safety Relief Valve is a 1 in. x 1-1/4 in. ASME Section VIII automatic overpressure protection device designed for air, gas, and vapor systems. It opens automatically at 100 PSI to limit pressure buildup, delivering a 666 SCFM air capacity and protecting compressors, receivers, intercoolers, aftercoolers, gas burners, pneumatic conveying equipment, dryers, and pressure vessels. It features a bronze body with a male NPT inlet and female NPT outlet, a full-nozzle design, a top-guide, enclosed spring, and a two-piece body construction, with a spring-loaded actuation and a manual test lever for verification. It is rated for a maximum working pressure of 250 PSI and a maximum operating temperature of 406°F (208°C).