Watts 0210530 MSML/E 1/2" M X F 3 bar Pressure/Safety Relief Valve with gauge port

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The Watts 0210530 MSML/E is a diaphragm-type safety relief valve with a gauge port, designed for sealed heating and pressurised systems. With 1/2" male x female BSP connections and a factory-set pressure of 3 bar, it provides reliable overpressure protection with easy pressure monitoring. Connection: 1/2" M BSP x 1/2" F BSP Preset pressure: 3 bar Gauge port: Included Body: Brass CW617N Discharge knob: Plastic manual Spring: Ni-Cr steel Diaphragm/seals: Rubber, resistant to 110°C Operating temperature: -10°C to 110°C Max. glycol: 50% Show more