the arp is a modular style, direct operated precision regulator. a locking adjustment knob allows the pressure to be set, and then locked to prevent accidental setting changes. the arp20/30/40...
The Arp Is A Modular Style, Direct Operated Precision Regulator.? A Locking Adjustment Knob Allows?The Pressure To Be Set, And Then Locked To Prevent Accidental Setting Changes. The Arp20/30/40...
