Crafted from 100 percent high strength brass, our water pressure regulator ensures longevity and durability. This rust and corrosion-resistant feature coupled with its ability to withstand high pressure and temperature makes it a reliable, long-term investment for your house. Our 3 or 4 inch DN20 water pressure regulator is a versatile addition to your home appliances. With a pressure threshold of 1.6 MPa, it can be installed on most tap water systems. It finds use in a variety of settings including households, buildings, and factories, enhancing the performance and productivity of your water systems. The pressure reducing valve boasts a unique piston design that simplifies its internal structure, helping it adapt to a variety of environments. You can count on its superior performance and long life. Be it a complex water system or a simple one, our valve's piston structure ensures that it fits perfectly. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Colour:Gold Material:brass Package Contents: 1 x pressure reducer with pressure gauge 1 x wrench 1 x Sealing Tape(Color is random, no specification is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.