About this item Movable nut: with movable joint, the nut can be rotated, installation only needs to put on the gasket, it is not easy to leak water, more convenient Thickened interface thickened valve body: main body casting, advanced forging technology, especially thickened interface thickness, at first glance, safe, explosion-proof and pressure resistant Pressure value display: a pressure gauge can be installed to view the change in water pressure in real time. The strainer is designed to prevent clogging: the water inlet is equipped with a stainless steel strainer which filters out impurities in the water to protect the valve body from damage and prolong its service life. Field of application: The installation location is suitable for installation in front of equipment requiring pressure relief, such as electric water heaters s, solar energy, water purifiers, taps, water meters, etc.