Milton's 1/4 in NPT standard pressure regulator offers a stable downstream air pressure over a wide range of airflows with accurate control, fast response time and minimal pressure drop. Offset gauge ports can also serve as two 1/4 in supply lines. The aluminum die-cast body comes with a balanced piston and molded rubber seat. As a standard pressure regulator, the 1/4 in NPT regulator has a maximum inlet pressure of 250 psi with a regulated pressure range of 5 to 125 psi.