Package includes: 1 pressure gauge, 1 brass pressure reducer High pressure resistance: This pressure reducer can withstand 1.6 MPa pressure, suitable for many occasions and versatile. Connectors are DN20 Material: Brass Maximum range. 16kg/cm water pressure: 0.05-0.8 Mpa (7.25-116 psi). Inlet pressure: 1.6 Mpa (max) / 232 psi. No branch pipe: No branch pipe is required, the piping is simple, which can save a lot of space and piping costs. Wide application: The safety valve can be installed in front of most tap water supply equipment, and can be used in homes, buildings, factories, and a wide range of applications. Pressure adjustment button: There is a pressure adjustment button on the top cover, you can adjust it according to your needs.