It was made of brass,used for water heater relieve pressure.
Sort: Safeguard parts of water-store electric water-heater Tag: Safty valve for electric water-heater Model: DT. 17A
Specifications: Technique parameters Release pressure: 0.75Mpa add or minus 0.05 Mpa Inlet pressure: 0.15Mpa add or minus 0.05 Mpa Filling water pressure: ≤0.02Mp