Type-90 miniature, precision air-pressure regulator for valves and other automatic control equipment has high resolution adjustment of set pressure, pressure ranges up to 120 psig, two gauge ports and reversible bracket for front or back mounting, and availability in 1/8 NPT, BSP porting and manifold mounting. Flow capacity is 14 scfm at 150 psig supply with 120-psig output. Air consumption is 6 scfh.