Page 18 - Alkon - Directional Control Air Valves & Accessories
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    S E R I ES  A  V A L V ES


      SOLENOID / PILOT VALVE SPECIFICATIONS                       GENERAL SPECIFICATIONS

      •  Operating Pressure (std.):  20 - 175 psig                Flow Characteristics
      •  Operating Pressure (with optional external pilot supply:  Vacuum - 250 psig)   Airline Preparation:  The Series A valve may be used with dry or
      •  Maximum allowable cycle rate:  300 CPM (to 600 CPM under specified conditions)   lubricated filtered air.
      •  Maximum heat rise:  85° C
                                                                  Installation:  Valve body to sub-base screws should be torqued no more
                                                                  than 24 in./lb.
      RESPONSE CHARACTERISTICS
                                                                  Flow curves shown are for the 1/4” sub-base mounted valves. For 3/8” sub-base,
                         TIME TO    TIME TO FILL    DE-ENERGIZATION  1/4” or 3/8” manifold valves use the noted correction factors, (CF).
                                   10 IN 3
         SIZE   MODEL    SHIFT IN    CHAMBER    START TO   UNLOAD
                          MILLI-
                 TYPE
                         SECONDS *  TO 80 PSI  UNLOAD  TO 20 PSI **
       1/4”    Single Sol.  9        22       22        33
       Sub-base  Double Sol.  9      20       10        30
       3/8”    Single Sol.  9        21       20        31
       Sub-base  Double Sol.  9      19       10        29
      * Represents time in milliseconds from solenoid actuation to first recorded pressure in chamber.  At cylinder port itself, solenoid pilot valves
      required a maximum of 8 milliseconds.
      ** Represents time from first recorded pressure decay in chamber to unloading down to 20 psig from 100 psig initial pressure.
      ELECTRICAL CHARACTERISTICS             Cv Valves

       VOLTAGE  INRUSH   HOLDING  NOMINAL POWER   MOUNTING   Cv
                (Ma)     (Ma)   CONSUMPTION      TYPE    VALVE
       6VDC      —       1830     12 watts    1/4” Sub-base  1.41
       12VDC     —       790      12 watts    3/8” Sub-base  1.59
       24VDC     —       396      12 watts    1/4” Manifold  1.52
       24/60     1250    835      12 watts    3/8” Manifold  1.57
       115/60    261     174      12 watts
       230/60    130     87       12 watts




           HOW TO ORDER SERIES A VALVES

                  A                A             7900          3/8          115/60              MC

            Series “A” Pneumatic               Valve Model                   Voltage
             Directional Valve   Mounting     (See Pages 14-16)  Size     (If Applicable Specify)  Options  Code
                             A  Sub-base                            1/4”                2 Position Detent  2P
                                                           Sub-base
                            M   Multiple-Manifold                   3/8”                  External Pilot  XP
                             C Cylinder                    Multiple  1/4”                 Exhaust Adp.  EA
                                                           Manifold  3/8”                 Molded Coil  MC
           NOTES:                                          Cylinder  1/8”                Less Sub-base  LS
           •  Valves as ordered above will be shipped assembled to    Mounted  1/4”        Less Coil   LC
            sub-base or manifold called out.                        3/8”                Manual Override  MO
           •  If no base is required specify option code LS in appropriate   Valves
            area of model number.                                   1/2”
           •  If coil voltage is not specified, std. 115/60 will be furnished.
           •  Cylinder mount sub-base is furnished with 12” transfer
            tube as standard.





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