Feature： *Made of high quality material, more durable. *A safety check valve is used to protect against overpressure in closed water systems. It determines the flow direction of the medium used, i.e. the flow of water, only allows in 1 direction. *Once the liquid pressure is exceeded, the valve opens and allows the liquid to drain. *Max. operating temperature ±100 °C Details： *Material:brass *Color:sliver *Specification: 1/2inch(DN15) *Inlet pressure (opening pressure): ≤ 0.1MPa *Flow rate: 0.28L/s under 0.03mpa water pressure *External leakage pressure: Relief pressure>0.8mpa Stop leakage *Internal leakage pressure: Relief pressure>0.12mpa Stop leakage *When in a state of external pressure relief, the water output per minute is>11 drops *Safety exhaust pressure ≤ 0.8MPa Package Contents: 1 * Pressure relief valve Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.* JINGT Safety valve pressure relief valve boiler 1/2 inch threads brass adjustable. Advanced manufacturing technology, high reliability and high performance. Made of high quality materials, durable and practical. Brand new and high quality. Your satisfaction is our greatest wish, if you have any questions, please feel free to contact us, we will provide you with comprehensive pre-sales and after-sales services.