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U.S. Patent No. 4,315,520
Airtrol 4104 series pressure and vacuum regulators are designed for applications requiring very low output settings and low flow. Full scale ranges as low as 1.5 psi pressure and 3" Hg vacuum are available. Settings as low as 1" WC are easily maintained with both. Both units will also accept a pilot input, allowing pneumatic control of the output setting (see schematics). Hysteresis free adjustments are made through a non-rising stem, available with an attractive knob, plain (to allow the installation of OEM knobs) or flush for "back panel" applications.
 
R-4104 SERIES (PRESSURE)
REGULATOR TYPE
Constant Bleed, Relieving
WETTED MATERIALS Polysulfone, Silicone, Stainless steel
SUPPLY CONSUMPTION See Graph
MAX SUPPLY 35 PSI (242) kPa)
TEMPERATURE RANGE 40° - 150° F (4° - 66° C)
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

V-4104 SERIES (VACUUM)
MAX SUPPLY 30" (760 mm) Hg
EFFECT OF SUPPLY VARIATION < 0.01" (0.254 mm) Hg per 5" (127 mm) supply change when dead-ended
REPEATABILITY < +/- 0.03" (0.76 mm) Hg
DRIFT < .05" (1.27 mm) Hg after 24 hours
ALL OTHER SPECIFICATIONS REMAIN THE SAME AS PRESSURE VERSION
Part Number
  Description

R-4104-1.5-
R-4104-3.5-
R-4104-10-
R-4104-20-
R-4104-30-

V-4104-3-
V-4104-10-
V-4104-25-
XX
XX
XX
XX
XX

XX
XX
XX
-
-
-
-
-

-
-
-
XX
XX
XX
XX
XX

XX
XX
XX
   0-1.5 PSI pressure regulator
0-3.5 PSI pressure regulator
0-10 PSI pressure regulator
0-20 PSI pressure regulator
0-30 PSI pressure regulator

0-3" Hg vacuum regulator
0-10" Hg vacuum regulator
0-25" Hg vacuum regulator
 
 
   
ADJUSTING OPTION
W/K = WITH ADJUSTING KNOB
W/S = WITH 1/4" SHAFT
W/0S = FLUSH SHAFT
 
PORT OPTIONS

P80 = 1/16" ID BARBS
P85 = 1/8" ID BARBS

NOTE: UNITS COME STANDARD WITH STRAIGHT CONNECTIONS FOR 1/16" ID TUBING




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