Page 37 - C.B.Trading-Avcon Ecatalogue
P. 37

Pneumatic On/Off Valves







                                            6616E / 6619E 3 - Way



      3/2 Way Pneumatic Piston Operated Mixing
      or Diverting Valves With Cylinder

      Actuator, For On-Off Application (Rust Free Design)





            Specifications

      Body & Bonnet Material:  Investment casted ASTM-A, 351CF8 (St.St. 304

                                          CF8MSt.St. 316)

      End Connection :                    Standard BSP(F)/ NPT(F).


      Stem Packing:                       Self adjusting, Spring loaded Teflon packing


      Seating :                           Soft seated Teflon backed by EPDM. Optional-VITON
                                          /EPDM, Buna Nitrile.


      Characteristic :                    On-Off, normally closed/normally open

      Working Temperature :               On steam-continuous 155°C Intermittent 180°C. with
                                          Teflon seating, Buna Nitrile 80°C., ]EPDM 135°C.,
                                          VITON 180°C

      Piston Packing:                     Buna Nitrile


      Actuator Working                    3.5 to 6 bar, (refer to graph)


      Life Expectancy:                    Over one million cycles (lab tested in ideal condition)

      Leakage :                           As per ANSI B16.104 - 1976 Teflon seating class IV.
                                          For other soft seating class VI Drop Tight/ Bubble Tight.


      Working Fluid Press.:               Refer to table below.

      Cylinder, Cover:                    S.S. AISI 304 (deep drawn).


      Actuator Spring :                   IS 4454 Grade III, duly painted.


      Air Quality:                        Lubricated /Non-lubricated


      Back Pressure:                      Refer to table below or 2.5 bar






           02249713968 / 02249718053                                       9322216438 / 9833175276
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