Spring pressure regulator F-4103 series

single-stagesiliconepolysulfone

U.S. Patent No. 4,315,520 Airtrol Components F-4103 Series spring biased comparators are essentially a regulator with an adjustable bias (positive or negative), and a control or pilot input. Standard units offer a 1:1 ratio, plus or minus the initial bias. Special 3:1 and 5:1 ratio units are also available. Perfect for HVAC applications, and unique control applications requiring a positive or negative offset. Non-rising stem is available with an attractive knob, plain (allowing installation of OEM knobs) or flush for “back panel” installations. SPECIFICATIONS REGULATOR TYPE - Constant Bleed, Relieving SUPPLY CONSUMPTION - See Graph EFFECT OF SUPPLY VARIATION - < 0.02 PSI (0.14 kPa) per 1 PSI (6.89 kPa) supply change when dead-ended REPEATABILITY - < +/- 0.05 PSI (.35 kPa) DRIFT - < .03 PSI (.21 kPa) after 24 hours RECOMMENDED FILTRATION - 5 micron