This APTech AP Tech valve is a high-quality pressure regulator designed to provide optimal performance and reliability. With a maximum pressure rating of 100 psig, this valve is suitable for a wide range of applications in various industries. The model is AZ1010S 3PW MV4 MV4 IV4, and it is made by APTECH, a trusted brand known for producing top-quality valves. This valve is ideal for use in hydraulics, pneumatics, pumps, and plumbing systems. It offers precise pressure control and is easy to install and use. Whether you're looking for a replacement valve or upgrading your system, this APTech AP Tech valve is an excellent choice.