When reliability is your number one concern, this proven design is the answer. Simple, robust and affordable. Non-Adjustable 2nd stage. Downstream demand valve. 150 PSI maximum intermediate pressure. 1.2 to 1.4 CIW (column inches of water) inhalation effort. 1.1 CIW (column inches of water) exhalation effort. 30 SCGM (air supply:3,000 PSI).
