High Quality Brass: The valve is made of brass, wear-resistant, not easy to rust, strong and durable. This water pressure regulator protects and extends the service life of your equipment. Good Feature: This pressure is simple internal structure, strong environmental protection and durable in use. p>< p>Convenient to Use: Easy to connect with the hose, easy to use. Standard DN20 thread is convenient to use. Scope of application: 1.6MPa, inlet/outlet thread depth: 25mm Application: The installation location is suitable for the front installation of water equipment that requires pressure relief, such as water purifiers, solar energy, gas heater and faucets.