Speedaire 4ZM15 Air Regulator Valve Three Eighth Inch NPT Ports In Out 150 PSI

Speedaire 4ZM15 is a compact zinc-bodied air regulator designed to deliver clean, dependable pressure control for compressed-air systems. It features 3/8" NPT female inlet and outlet ports, a nonrising adjustment knob for stable setpoint changes, and an adjustable pressure range from 5 to 150 psi, with a maximum regulated pressure of 150 psi and a rated flow up to 80 cfm. The regulator body is zinc, contributing to durability in workshop environments, and the unit includes no gauge port. With an overall width of 2 inches, the 4ZM15 fits neatly in crowded panels or small filter-regulator banks. It is rated for operating temperatures up to 150°F, making it suitable for standard shop air lines and pneumatic tools. Typical applications include feeding hand tools, small air motors, grinders, sanders, and spray systems in automotive shops, manufacturing benches, and hobbyist setups. The compact form factor and standard 3/8" NPT connections make it easy to integrate into existing air lines and regulators, while maintaining reliable pressure at the point of use.