1, High quality brass safety valve with/without nickel/chrome plating. 2, 100% leakage test. 3, ISO & CUPC Gate valve) Size: 1/2"~4"2) Material: bronze body, aluminium, iron, sheet iron or zinc handle3) Guarantee: 10 yearWe'll offer you the high quality Gate Valve with the best price & service. Gate Valves Manufacturer